Maxim Integrated delivers innovative analog and mixed-signal engineering solutions used in a wide variety of microprocessor-based electronics equipment. Maxim product offerings include data converters, semiconductors, interface circuits, RF wireless circuits, clocks and oscillators, microcontrollers(MCUs), operational amplifiers (op amps), sensors, and more.
Maxim products are used in a wide variety of microprocessor-based electronics equipment. A sampling of the applications for Maxim circuits includes consumer electronics, personal computers and peripherals, handheld electronics, wireless and fiber communications, test equipment, instrumentation, video displays, and automotive applications.
Maxim Integrated MAX5217 16-bit digital-to-analog converter (DAC) is a single-channel, low-powered, buffered voltage-output device that uses a precision external reference applied through the high resistance input for rail-to-rail operation and low system power consumption. MAX5217 uses a precision external reference applied through the high resistance input for rail-to-rail operation and low system power consumption. Maxim MAX5217 accepts a wide 2.7V to 5.5V supply voltage range. The DAC output is buffered resulting in a low supply current of 80µA (max) and a low offset error of ±0.25mV. Power consumption is extremely low to accommodate most low-power and low-voltage applications. It also has an I²C-compatible, 2-wire serial interface that operates at clock rates up to 400kHz. On power-up, MAX5217 resets the DAC output to zero, providing additional safety for applications that drive valves or other transducers that need to be off on power-up. MAX5217 evaluation kit demonstrates MAX5217 and provides controls to change the DAC output and power operations.
Maxim Integrated MAX11156 18-bit, 500ksps SAR ADC is the industry's smallest true bipolar +/-5V, 18-bit analog-to-digital converter. MAX11156 offers excellent AC and DC performance with true bipolar input range, small size, and internal reference. The device measures a ±5V (10VP-P) input range while operating from a
single 5V supply. A patented charge-pump architecture allows direct sampling of high-impedance sources. MAX11156 integrates an optional 6ppm/°C reference with
internal buffer, saving the cost and space of an external reference. MAX11156 produces 94.6dB SNR and -105dB THD (typ). This Maxim device guarantees 18-bit no-missing codes. It communicates using an SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic. The serial interface can be used to daisy-chain multiple ADCs in parallel for multichannel applications and provides a busy indicator option for simplified system synchronization and timing.
Maxim Integrated MAX24001 / MAX24002 are complete Laser Driver Transmitters and Limiting Amplifier Receivers. MAX24001 is a 2.5Gbps device designed for use within fiber optic modules for FTTx applications. A fully compliant GPON/GEPON module with digital diagnostics can be realized when used with a 2KB EEPROM and suitable optics. MAX24002 is a 1.25Gbps to 2.5Gbps device designed for use within fiber optic modules for SFP applications. A fully compliant SFP module with digital diagnostics is realized when used with a 2KB EEPROM and suitable optics. A microcontroller can be used in conjunction with the MAX24001 or MAX24002. But this is not necessary to achieve SFF-8472 compliance.
Maxim Integrated MAX98502 high-efficiency 2.2W Class D Audio Amplifier features an integrated boost converter to deliver a constant output power over a wide range of battery supply voltages. The boost converter operates at 2MHz, requiring only a small (2.2µH) external inductor and capacitor. The automatic level control has a battery tracking function that reduces the output swing as the supply voltage drops, preventing collapse of battery voltage. The amplifier has differential inputs and an internal fully differential design. The MAX98502 also features three gain settings (6dB, 15.5dB, and 20dB) that are selectable with a logic input. MAX98502 evaluation kit (EV kit) is a fully assembled and tested circuit board that uses the MAX98502 boosted Class D amplifier to drive a mono bridge-tied-load speaker in portable audio applications.
Maxim Integrated MAX14830 Quad Serial UART is the industry's first quad SPI/I2C UART. Each UART of this Maxim device features 128 words of receive and transmit first-in/first-out (FIFO) and a high-speed serial peripheral interface (SPIK) or I2C controller interface. A PLL and fractional baud-rate generators allow a high degree of flexibility in baud-rate programming and reference clock selection. Logic-level translation on the transceiver and controller interfaces allows ease of interfacing to microcontrollers, FPGAs, and transceivers that are powered by differing supply voltages. Extensive features simplify transceiver control in halfduplex communication applications. Maxim MAX14830 features the ability to synchronize the start of an individual UART’s transmission by SPI-based triggering. On-board timers allow programming of delays between transmitters as well as clock generation on GPIOs. The 128-word FIFOs have advanced FIFO control, reducing host processor data flow management. MAX14830 is specified to operate over the extended -40ºC to +85ºC temperature range.
Maxim Integrated MAXREFDES4#, MAXREFDES5#, and MAXREFDES11# are 16-bit high-accuracy industrial analog front end (AFE) subsystem reference designs. The Campbell (MAXREFDES4#) subsystem reference design accepts a 4–20mA current loop or a 0.2V to 4.096V voltage input signal, and features isolated power and data—all integrated into a small form factor. The Cupertino (MAXREFDES5#) subsystem reference design accepts -10V to +10V, 0 to 10V, and 4–20mA current loop signals with isolated power and data integrated into a small form factor. The Fresno (MAXREFDES11#) subsystem reference design accepts 0 to 10V signals and features isolated power and data—all integrated into a small form factor.
Maxim Integrated MAX5988A / MAX5988B IEEE® 802.3af-compliant Class 1 / Class 2 Powered Devices (PDs) provide a complete power-supply solution in a Power-over-Ethernet (PoE) system. MAX5988A and MAX5988B integrate the PD interface with an efficient DC-DC converter, offering a low external part count PD solution. These devices also include a low-dropout regulator, MPS, sleep, and ultra-low power modes. The PD interface provides a detection signature and a Class 1/Class 2 classification signature with a single external resistor. The PD interface also provides an isolation power MOSFET, a 60mA (max) inrush current limit, and a 321mA (typ) operating current limit. The integrated step-down DC-DC converter uses a peak current-mode control scheme and provides an easy-to-implement architecture with a fast transient response.
Maxim Integrated MAX17598 / MAX17599 low IQ, active clamp current-mode PWM controllers contain all the control circuitry required for the design of wide-input isolated/nonisolated forward-converter industrial power supplies. MAX17598 is designed for universal input (rectified 85V AC to 265V AC) or telecom (-36V DC to -72V DC) power supplies. MAX17599 is optimized for low-voltage industrial supplies (4.5V DC to 30V DC). These Maxim Integrated devices include an AUX driver that drives an auxiliary MOSFET (clamp switch) that helps implement the active-clamp transformer reset topology for forward converters. Such a reset topology has several advantages, including reduced voltage stress on the switches, transformer size reduction due to larger allowable flux swing, and improved efficiency due to elimination of dissipative snubber circuitry. Programmable dead time between the AUX and main driver allows for zero voltage switching (ZVS).
Maxim Integrated MAX17600-MAX17605 Dual MOSFET Drivers are high-speed devices capable of sinking /sourcing 4A peak currents. These devices have various inverting and noninverting part options that provide greater flexibility in controlling the MOSFET. MAX17600-MAX17605 MOSFET drivers have internal logic circuitry that prevents shoot-through during output-state changes. The logic inputs are protected against voltage spikes up to +14V, regardless of V<sub>DD</sub> voltage. Propagation delay time is minimized and matched between the dual channels. These Maxim Integrated devices have very fast switching time, combined with short propagation delays (12ns typ), making them ideal for high-frequency circuits. The devices operate from a +4V to +14V single power supply and typically consume 1mA of supply current.
MAX17600 / MAX17601 devices have standard TTL input logic levels, while MAX17603 / MAX17604 / MAX17605 have CMOS-like high-noise margin (HNM) input logic levels. MAX17600 / MAX17603 are dual inverting input drivers, MAX17601 / MAX17604 are dual noninverting input drivers, and MAX17602 / MAX17605 devices have one noninverting and one inverting input. These devices are provided with enable pins (ENA, ENB) for better control of driver operation.
Maxim Integrated MAX17595 / MAX17596 / MAX17597 peak-current-mode controllers contain all the circuitry required for the design of wide input-voltage flyback and boost regulators. MAX17595 offers optimized input rising and falling thresholds for universal input AC-DC converters and telecom DC-DC (36V–72V input range) power supplies. MAX17596 offers input rising and falling thresholds suitable for low-voltage DC-DC applications (4.5V–36V input range). MAX17597 offers all circuitry needed to implement a boost converter controller. All three controllers contain a built-in gate driver for external n-channel MOSFETs. These Maxim devices house an internal error amplifier with 1% accurate reference, useful in implementations without the need for an external reference.
Maxim Integrated MAX17501 / MAX17502 high-efficiency, high-voltage, synchronous step-down DC-DC converters with integrated MOSFETs operate over a 4.5V to 60V input voltage range. MAX17501 delivers output currents up to 500mA at output voltages of 0.9V to 92%VIN while MAX17502 delivers output currents up to 1A. The output voltage is accurate to within ±1.7% over -40°C to +125°C. These Maxim Integrated devices feature peak-current-mode control with pulse-width modulation (PWM). With the MAX17501, users can choose devices with either pulse frequency modulation (PFM) or forced PWM scheme. PFM devices skip pulses at light load for higher efficiency, while forced-PWM devices operate with fixed switching frequency at any load for noise sensitive-applications. MAX17502 operates with fixed switching frequency at any load. The low-resistance, on-chip MOSFETs ensure high efficiency at full load and simplify the layout. A programmable soft-start feature allows users to reduce input inrush current. These step-down DC-DC converters also incorporate an output enable/undervoltage lockout pin (EN/UVLO) that allows the user to turn on the part at the desired input voltage level.
Maxim Integrated's MAX98355A/MAX98355B Audio Amplifiers are digital pulse-code modulation (PCM) input Class D power amplifiers that provide Class AB audio performance with Class D efficiency. Both the MAX98355A and MAX98355B ICs from Maxim are supported by a highly flexible digital audio interface, with the MAX98355A supporting I²S data, the MAX98355B supporting left-justified data, and both ICs supporting time division multiplexed (TDM) data. Five selectable gain settings (3dB, 6dB, 9dB, 12dB, and 15dB) set by a single gain-select input (GAIN) are available with the MAX98355A and MAX98355B ICs, and the digital audio interface accepts sample rates ranging from 8kHz to 96kHz for all supported data formats. These flexible ICs eliminate the need for the external MCLK signal that is usually needed for PCM communication, thus reducing EMI and possible board coupling issues as well as reducing the size and pin count of the ICs. The MAX98355 Evaluation Kit (EV), a fully assembled and tested PCB that evaluates the MAX98355 PCM digital input Class D power amplifier, operates from a single 2.5V to 5.5V DC power supply and can deliver 3.2W into a 4Ω load. The MAX98355 Evaluation Kit outputs can be filterless or a filter can be added for ease of evaluation.
Maxim Integrated MAX44260 / MAX4461 / MAX4463 Op Amps offer a unique combination of high speed, precision, low noise, and low-voltage operation, making them ideal for a large number of signal processing functions, such as filtering and amplification of signals in portable and industrial equipment. These Maxim Integrated op amps feature on-demand calibration that provides accuracy over time and temperature. The amplifiers feature an input offset of less than 50µV and a high-gain bandwidth product of 15MHz while maintaining a low 1.8V supply rail. The devices' rail-to-rail input/outputs and low noise guarantee maximum dynamic range in demanding applications such as 12- to 14-bit SAR ADC drivers. MAX44260 includes a fast-power-on shutdown mode for further power savings. MAX44261 offers a unique on-demand calibration pin where the user can invoke self-trimming of the input offset voltage. MAX44263 is a dual amplifier.
Maxim Integrated MAX11329 - MAX11332 12- / 10-bit multi-channel analog-to-digital converters (ADCs) feature external reference, full-linear bandwidth, high speed, low power, and serial output. These Maxim Integrated 3Msps successive approximation register (SAR) ADCs provide external access to the output of the integrated mux and ADC input to simplify the signal conditional circuitry. MAX11329–MAX11332 include both internal and external clock modes. These devices feature scan mode in both internal and external clock modes. The internal clock mode features internal averaging to increase SNR. The external clock mode features the SampleSet™ technology, a user-programmable analog input channel sequencer. The SampleSet approach provides greater sequencing flexibility for multichannel applications while alleviating significant microcontroller or DSP (controlling unit) communication overhead.
Maxim Integrated Pmod™-Compatible Plug-In Peripheral Modules provide you with a wide variety of analog and mixed-signal functions at your fingertips. These Maxim Integrated modules simply plug into any Pmod™-configured FPGA/CPU expansion port. Flexible, carefully partitioned example programs are included to give you a working prototype in minutes. The modules are supported by software that includes FPGA configuration files as well as example programs to exercise and demonstrate each module. While the example programs demonstrate the module’s functionality, they are well partitioned and documented, allowing the core routines to be easily cut and pasted into your own programs. The combination of plug-in simplicity and easy software integration allows for quick migration from idea to working prototype.
Maxim Integrated MAX11120-MAX11128 / MAX11129-MAX11132 / MAX11135-MAX11143 high-speed, multi-channel analog-to-digital converters (ADCs) are designed for use in battery-powered instruments, high-speed closed-loop systems, and high-speed data acquisition systems. Maxim Integrated MAX11120-MAX11128 are 1Msps, low-power, serial 12-/10-/8-bit 4-/8-/16-channel devices. The MAX11129-MAX11132 are 3Msps, low-power, serial 12-/10-bit, 8-/16-channel devices, and the MAX11135-MAX11143 are 500ksps, low-power, serial 12-/10-/8-bit, 4-/8-/16-channel devices. These Maxim Integrated high-speed ADCs feature external reference and industry-leading 1.5MHz, full linear bandwidth.
Maxim Integrated MAX11321-MAX11328 and MAX11335-MAX11340 12- / 10-bit multi-channel analog-to-digital converters (ADCs) feature external reference and 500kHz, full-linear-bandwidth, high-speed, low-power, serial-output successive approximation register (SAR). These Maxim Integrated ADCs provide external access to the output of the integrated mux and ADC input to simplify conditioning. MAX11321-MAX11328 and MAX11335–MAX11340 include both internal and external clock modes. The devices feature scan mode in both internal and external clock modes. The internal clock mode features internal averaging to increase SNR. The external clock mode features SampleSet™ technology, a user-programmable analog input channel sequencer. The SampleSet approach provides greater sequencing flexibility for multichannel applications while alleviating significant microcontroller or DSP communication overhead. These Maxim Integrated devices are ideal for use in battery-powered instruments, high-speed closed-loop systems, and more.
Maxim Integrated DS4830 Optical Microcontroller (MCU) features a rich optical feature set that eases controller implementation in high-performance optical transceivers. Maxim Integrated DS4830 provides a complete optical control, calibration, and monitor solution with a low-power, 16-bit, MAXQ20 MCU core providing generous program and RAM data memory. I/O resources include a fast/accurate analog-to-digital converter (ADC), fast comparators with an internal comparison digital-to-analog converter (DAC), 12-bit DACs, 12-bit PWMs, internal and external temperature sensors, fast sample/hold, I²C slave host interface, and a multiprotocol serial master/slave interface.
Maxim Integrated DS1339A Low-Current, I²C, Serial Real-Time Clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I²C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. Maxim Integrated DS1339A has a built-in power-sense circuit that detects power failures and automatically switches to the backup supply, maintaining time, date, and alarm operation.
Maxim Integrated MAX31C80 / MAX31D80 Spread-Spectrum Clock Generators contain a phase-locked loop (PLL) that generates a 2MHz to 134MHz clock from an input clock or crystal. The PLL can provide a spread-spectrum down-dithered (MAX31D80) or center-dithered (MAX31C80) frequency-modulated clock. These Maxim Integrated devices also buffer the incoming clock and provide this output on a separate pin.
Maxim Integrated MAX97220 Differential Input DirectDrive® Line Driver / Headphone Amplifier is capable of driving line level loads with 3VRMS into 1kΩ with a 5V supply and 2VRMS into 600Ω loads from a 3.3V supply. A headphone load is capable of being driven with 125mW into 32Ω with a 5V supply. Maxim Integrated MAX97220 is offered with an internally fixed 6dB gain or an externally set gain through external resistors. The external gain setting nodes can also be used to configure filters for set-top box applications. The IC has exceptional THD+N over the full audio bandwidth.
Maxim Integrated MAX71020 Single-Chip Electricity Meter AFE is a single-chip, analog front-end designed for use in high-performance revenue meters. MAX71020 AFE contains the compute engine found in the Maxim Integrated fourth-generation meter system-on-chip (SoC) and an improved analog-to-digital converter (ADC). MAX71020 interfaces to the host microcontroller of choice over an SPI interface. This Maxim Integrated device comes in a 28-pin TSSOP package.
Maxim Integrated MAX1302 multirange, low-power, 16-bit, successive-approximation, analog-to-digital converter (ADC) operates from a single +5V supply and achieves throughput rates up to 115ksps. A separate digital supply allows digital interfacing with a 2.7V to 5.25V system using the SPI-/QSPI™-/MICROWIRE®-compatible serial interface. Partial power-down mode reduces the supply current to 1.3mA (typ). Full power-down mode reduces the power-supply current to 1μA (typ). MAX1302 ADC provides eight (single-ended) or four (true differential) analog input channels. Each analog input channel is independently software programmable for seven single-ended input ranges (0V to +VREF/2, -VREF/2 to 0V, 0V to +VREF, -VREF to 0V, ±VREF/4, ±VREF/2, and ±VREF), and three differential input ranges (±VREF/2, ±VREF, ±2 x VREF). An on-chip +4.096V reference offers a small convenient ADC solution. MAX1302 also accepts an external reference voltage between 3.800V and 4.136V.
Maxim Integrated DS1308 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV RAM. Address and data are transferred serially through an I²C interface. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Maxim Integrated DS1308 RTC has a built-in power-sense circuit that detects power failures and automatically switches to the backup supply, maintaining time and date operation.
Maxim Integrated MAX7219 / MAX7221 8-Digit LED Display Driver is a compact, serial input/output common-cathode display driver that interfaces microprocessors to 7-segment numeric LED displays of up to 8 digits, to bar-graph displays, or to 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. A convenient 4-wire serial interface connects to all common microprocessors. Individual digits may be addressed and updated without rewriting the entire display. MAX7219 also allows the user to select code-B decoding or no-decode for each digit. This Maxim Integrated LED display driver includes a 150μA low-power shutdown mode, analog and digital brightness control, a scanlimit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on.
Maxim Integrated MAX32254E / MAX3225E / MAX3226E / MAX3227E / MAX3244E / MAX3245E RS-232 Transceivers with AutoShutdown Plus are 3V-powered EIA/TIA-232 and V.28/V.24 communications interface devices with automatic shutdown/wakeup features, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. Maxim Integrated MAX322xE and MAX324xE devices achieve a 1μA supply current using the AutoShutdown Plus™ feature. These RS-232 transceivers automatically enter a low-power shutdown mode when the RS-232 cable is disconnected or the transmitters of the connected peripherals are inactive, and the UART driving the transmitter inputs is inactive for more than 30 seconds. They turn on again when they sense a valid transition at any transmitter or receiver input. AutoShutdown Plus saves power without changes to the existing BIOS or operating system. MAX3225E / MAX3227E / MAX3245E devices also feature MegaBaud™ operation, guaranteeing 1Mbps for high-speed applications such as communicating with ISDN modems. MAX3224E / MAX3226E / MAX3244E devices guarantee 250kbps operation.
Maxim Integrated MAX6389 Microprocessor Supervisory Circuit monitors power-supply voltages from +1.8V to +5.0V while consuming only 3μA of supply current at +1.8V. This Maxim microprocessor supervisory circuit has a reset output that asserts whenever VCC falls below the factory-set reset thresholds and remains asserted for a minimum reset timeout period after VCC rises above the reset threshold. Reset thresholds are available from +1.58V to +4.63V, in approximately 100mV increments. Seven minimum reset timeout delays ranging from 1ms to 1200ms are available. MAX6389 has an open-drain active-low reset output. It also has an auxiliary input for monitoring a second voltage.
Maxim Integrated MAX98314 is the industry's smallest Class D amplifier solution. This mono 3.2W Class D amplifier provides Class AB audio performance with Class D efficiency. It offers five selectable gain settings (0dB, 3dB, 6dB, 9dB, and 12dB) set by a single gain-select input (GAIN). Active emissions limiting (AEL) edge rate and overshoot control circuitry and a filterless spread-spectrum modulation (SSM) scheme greatly reduce EMI and eliminate the need for output filtering found in traditional Class D devices. The MAX98314 features low quiescent current of 0.95mA at 3.7V, 1.2mA at 5.0V, allowing it to extend battery life in portable applications. Highly linear, integrated input coupling capacitors (CIN) reduce solution size and provide excellent THD+N, PSRR, and CMRR performance at low frequencies vs. standard Class D amplifiers using external input capacitors.
Maxim Integrated DS1091L Spread-Spectrum EconOscillator™ is the industry's only 3V all-silicon center spread clock generator to reduce EMI in the automotive temperature range. This Maxim Integrated device is factory-trimmed to output frequencies from 130kHz to 66.6MHz with a nominal accuracy of ±0.25%. Maxim Integrated DS1091L EconOscillator can also produce a center- or down-dithered spread-spectrum output with pin-selectable dither magnitude and rate. The DS1091L is designed to operate with a 3.0V to 3.6V power supply over a temperature range of -40°C to +125°C. This Maxim device is ideal for use in automotive infotainment and industrial control applications.
Maxim Integrated MAX5214 (14-bit) and MAX5216 (16-bit) buffered single digital-to-analog converters (DACs) provide power consumption of less than 80µA I,sub>Q</sub>, allowing these DACs to prolong battery life in portable applications. MAX5214 and MAX5216 DACs feature best-in-class accuracy, a small package size, and low current consumption, making these Maxim devices equally attractive in 2-wire sensors where low current levels must be measured and power efficiency is important. The MAX5214 and MAX5216 provide ±0.25 LSB and ±1 LSB of integral nonlinearity (INL), respectively, over their wide resolution spectrum. They are ideal for high-performance systems executing repetitive tasks in numerous counts that demand the same high precision and accuracy each time. These Maxim Integrated DACs integrate an internal buffer that reduces the number of external components and total space required on the PCB. Buffer integration also simplifies design in.
Maxim Integrated MAX5825 8-Channel 12-bit DAC is a voltage-output digital-to-analog converter that includes output buffers and an internal 3ppm/°C reference that is selectable to be 2.048V, 2.500V, or 4.096V. Maxim Integrated MAX5825 DAC accepts a wide supply voltage range of 2.7V to 5.5V with extremely low power (6mW) consumption to accommodate most low-voltage applications. A precision external reference input allows rail-to-rail operation and presents a 100kΩ (typ) load to an external reference. The MAX5825 has an I²C-compatible, 2-wire interface that operates at clock rates up to 400kHz. The DAC output is buffered and has a low supply current of less than 250µA per channel and a low offset error of ±0.5mV (typ). The MAX5825 resets the DAC outputs on power up to zero or midscale based on the status of active-low M/Z logic input, providing flexibility for a variety of control applications. The MAX5825 features a watchdog function that can be enabled to monitor the I/O interface for activity and integrity.
Maxim Integrated MAX1032 / MAX1033 multirange, low-power, 14-bit, successive-approximation, analog-to-digital converters (ADCs) operate from a single +5V supply and achieve throughput rates up to 115ksps. A separate digital supply allows digital interfacing with 2.7V to 5.25V systems using a SPI-/QSPI™-/MICROWIRE™-compatible serial interface. Partial power-down mode reduces the supply current to 1.3mA (typ). Full power-down mode reduces the power-supply current to 1µA (typ). The MAX1032 provides eight (single-ended) or four (true differential) analog input channels. The Maxim Integrated MAX1033 provides four (single-ended) or two (true differential) analog input channels. Each analog input channel is independently software programmable for seven single-ended input ranges and three differential input ranges. These Maxim Integrated ADCs are specified for operation from -40°C to +85°C and are ideal for use in industrial control systems, data-acquisition systems, avionics, and robotics.
Maxim Integrated's 73S1210F Self-Contained Smart Card Reader with PINpad and Power Management is a versatile and economical CMOS system-on-chip (SoC) device built around an 80515 high-performance core. This Maxim Integrated device, which is intended for smart card reader applications, features an ISO 7816/EMV interface and a generic asynchronous serial interface. The 73S1210F forms a ready-to-use smart card reader solution that can be seamlessly incorporated into any microprocessor-based system where a serial line is available. This Maxim Integrated smart card reader solution is scalable thanks to a built-in I²C interface that allows it to drive external electrical smart card interfaces. This makes the solution immediately able to support multi-card slots or multi-SAM architectures. The 73S1210 also features a 5x6 PINpad interface, eight user I/Os, multiple interrupt options, and an analog voltage input (for DC voltage monitoring such as battery-level detection) that make it suitable for low-cost PINpad reader devices.
Maxim Integrated MAX1300 / MAX1301 8- / 4-Channel 16-Bit ADCs are multirange, low-power, 16-bit, successive-approximation, analog-to-digital converters (ADCs) operate from a single +5V supply and achieve throughput rates up to 115ksps. A separate digital supply allows digital interfacing with 2.7V to 5.25V systems using the SPI-/QSPI™-/MICROWIRE®-compatible serial interface. Partial power-down mode reduces the supply current to 1.3mA (typ). Full power-down mode reduces the power-supply current to 1µA (typ). Maxim Integrated MAX1300 provides eight (single-ended) or four (true differential) analog input channels. The MAX1301 provides four (single-ended) or two (true differential) analog input channels. Each analog input channel is independently software programmable for seven single-ended input ranges and three differential input ranges. An on-chip +4.096V reference offers a small convenient ADC solution. Maxim Integrated MAX1300 / MAX1301 16-Bit ADCs also accept an external reference voltage between 3.8V and 4.136V. These Maxim Integrated devices are specified for operation from -40°C to +85°C.
Maxim Integrated MAX34565 12V Hot-Plug Switch is a hot-plug controller for 12V power rails that includes the required power-pass MOSFET device for 12V supplies. During hot-plug, MAX34565 Hot-Plug Switch controls the supply output voltage ramp (dV/dt) and limits the current at a user-controlled level. Maxim Integrated MAX34565 Hot-Plug Switch also limits the output voltage to protect downstream devices from overvoltage events. Maxim Integrated MAX34565 Hot-Plug Switch is ideal for use in a variety of applications, including base stations, servers, switchers/routers, and more.
Maxim Integrated MAX98309 / MAX98310 Mono 1.4W Class AB Audio Amplifiers offer low quiescent current while maintaining excellent SNR and low 0.008% THD+N. Maxim Integrated MAX98309 / MAX98310 Class AB Audio Amplifiers also feature excellent 90dB PSRR and state of the art click-and-pop suppression. These Maxim Integrated ICs are offered with an internally fixed 0dB, 3dB, 6dB, and 9dB gain (MAX98310) or an externally set gain (MAX98309) through external resistors. MAX98309 features a 10ms or 100ms pin-selectable turn-on time, while the MAX98310 has a preset 5ms turn-on time. Maxim Integrated MAX98309 / MAX98310 Class AB Audio Amplifiers are ideal for use in cell phones/smartphones, digital cameras, e-Readers, and more. The MAX98309 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX98309 and MAX98310. The EV kit operates from a single 2.5V to 5.5V power supply.
Maxim Integrated MAX11634-MAX11637 are serial 12-bit, 300ksps analog-to-digital converters (ADCs) with an internal reference and true differential track/hold. These Maxim Integrated 12-bit ADCs feature on-chip FIFO, scan mode, internal clock mode, internal averaging, and AutoShutdown™. The maximum sampling rate is 300ksps using an external clock. The Maxim Integrated MAX11636 / MAX11637 have 8 input channels while the MAX11634 / MAX11635 have 4 input channels. These Maxim Integrated devices operate from either a +3V supply or a +5V supply and contain a 10MHz SPI™-/QSPI™-/MICROWIRE™-compatible serial port. MAX11634-MAX11637 ADCs are specified over the extended -40°C to +85°C temperature range and are ideal for use in a variety of applications, including system supervision, data-acquisition systems, industrial control systems, and more.
Maxim Integrated DS1090 low-frequency, spread-spectrum EconOscillator™ is the industry's first spread-spectrum resistor-programmable oscillator. This Maxim Integrated device is a dithered oscillator intended for use as an external clock for switched-mode power supplies and other low-frequency applications. The dithering or sweeping function of the Maxim Integrated DS1090 reduces peak-radiated emissions from the power supply at its fundamental frequency, as well as harmonic frequencies. This Maxim Integrated EconOscillator consists of a resistor-programmed master oscillator, factory-programmed clock prescaler, and a pin-programmed dither circuit. These features allow the DS1090 to be used in applications where a spread-spectrum clock is desired to reduce radiated emissions. A combination of factory-set prescalers and external resistor allows for output frequencies ranging from 125kHz to 8MHz. Both dither frequency and dither percentage are set using control pins.
Maxim Integrated 78M6631 highly integrated 3-phase power measurement and monitoring system-on-chip (SoC) features a 10MHz 8051-compatible MPU core and Single Converter Technology® containing a 22-bit delta-sigma converter and 32-bit compute engine (CE). Maxim Integrated 78M6631 3-phase power measurement and monitoring SoC is designed for a wide variety of applications requiring 3-phase power and quality measurements. This Maxim Integrated device supports both Delta and Wye configurations and provides at the measurement interface six analog inputs, including three differential current and three voltage for interfacing to current and voltage sensors. Maxim Integrated 78M6631 SoC provides better than 0.5% accuracy over a wide 2000:1 dynamic range. The integrated MPU core and 128KB of flash memory provide a flexible means of configuration, postprocessing, data formatting, interfacing to host processor via a UART or SPI interface, or using DIO pins for LEDs or relay control.
Maxim Integrated MAX2209 RF Power Detector is the industry's smallest power-detection circuit. This Maxim Integrated wideband (800MHz to 2GHz) RF power detector takes an RF signal from the directional coupler at the input and then outputs a DC voltage proportional to the RF peak voltage. The MAX2209 features a -25dBm to 0dBm power detection range and minimizes effective detection error to less than ±0.5dB relative to room temperature. This Maxim Integrated RF power detector is ideal for use in a variety of applications, including dual-band WCDMA handsets, High-Speed Downlink Packet Access (HSDPA), and High-Speed Uplink Packet Access (HSUPA).
Maxim Integrated's MAX2981 powerline communication analog front-end (AFE) and line-driver ICs are state-of-the-art CMOS devices that deliver high performance at low cost. The highly integrated design of the Maxim Integrated MAX2981 powerline communication AFE and line-driver IC combines an analog-to-digital converter, digital-to-analog converter, adaptive gain control, filters, and line driver on a single chip. This device substantially reduces previously required system components and complies with the HomePlug 1.0® standard. These Maxim Integrated devices are ideal for use in local area networking, broadband-over-powerline, and remote monitoring and control applications. MAX2982 powerline transceiver utilizes state-of-the-art CMOS design techniques to deliver the highest level of performance, flexibility, and operational temperature range at reduced cost. MAX2982 digital baseband and its companion device, the MAX2981, offer a complete high-speed powerline communication solution fully compliant with HomePlugM 1.0 Powerline Alliance Specification.
Maxim Integrated's 78M6618 octal power and energy measurement ICs are highly integrated devices for monitoring and measurement of up to 8 single-phase AC outlets. Maxim Integrated 78M6618 octal power and energy measurement ICs feature multiple host interface options, an integrated LCD driver, and configurable I/Os, making them ideal for metered power distribution units (PDUs) and rack enclosures for the data center as well as intelligent power strips and subpanels in the grid-friendly digital home. the Maxim Integrated 78M6618 provides 10 analog inputs at the measurement interface for interfacing to voltage and current sensors. The integrated MPU core and 128KB of Flash memory provides a flexible means of configuration, postprocessing, data formatting, interfacing to host processor through a UART or SPI interface, displaying output data to an LCD, or using DIO pins for intelligent relay control.
Maxim Integrated MAX2769B Universal GPS Receiver is a next-generation Global Navigation Satellite System (GNSS) covering GPS, GLONASS, Galilieo, and Compass navigation systems on a single chip. This receiver was designed using Maxim Integrated SiGe BiCMOS process technology. The device's on-chip monolithic IF filters eliminate the need for external IF filters. The MAX2769B Universal GPS Receiver from Maxim Integrated is ideally suited for industrial and automotive applications.
Maxim Integrated 71M6xxx Isolated Sensor ICs eliminate the need for costly current transformers in electric meter designs using the Teridian 4th-generation polyphase-metering 71M654x systems-on-chips (SoCs). Isolation is provided by low-cost pulse transformers that form a bidirectional digital communication link between the 71M654x SoCs and the 71M6xxx Isolated Sensor ICs.
Maxim Integrated MAX9633 is a Dual Operational Amplifier optimized for excellent AC dynamic performance. The device features low noise (3nV/√Hz at 1Hz and 3.5nV/√Hz at 100Hz) and low distortion (130dB at 10kHz). The fast settling time (750ns) and low input offset voltage(200µV) makes the IC ideal for driving high-resolution 12-bit to 18-bit SAR ADCs. The MAX9633 Dual Op Amp is well suited for use in industrial, medical, test, and industrial applications requiring precision signal conditioning at low frequencies.
Maxim MAX16841 Offline LED Driver provides flicker-free dimming from maximum down to zero light intensity. The wide input voltage range of 90VAC to 265VAC makes it suitable for LED designs worldwide. The device can be used to replace incandescent and halogen lamps without compatibility issues of previously install dimmers. Electrolytic capacitor-free operation prolongs the life of the LED lamps and saves space and cost as well. The MAX16841 Dimmable Offline LED Driver from Maxim features thermal shutdown, current limit, open LED protection, and VCC undervoltage lockout.
Maxim Integrated DS1878 is a small form factor pluggable (SFP+) Controller with a digital laser diode driver (LDD) interface. The state machine based device implements SFF-8472 without software development. The DS1878 Controller from Maxim Integrated monitors six analog channels: temperature, VCC, and MON1 to MON4, with MON3 being differential with support for common mode to VCC.
Maxim Integrated MAX44000 Ambient & Infrared Proximity Sensor combines a wide-dynamic range ambient light sensor with an integrated infrared proximity sensor, creating an ideal solution for touchscreen portable devices. The sensor was designed using the Maxim's proprietary BiCMOS technology, allowing it to detect light like a human eye. MAX44000 uses very low power, consuming 5µA when only the ambient light sensor is enabled and 7µA when the proximity receiver and driver are enabled. It can consume as low as 11μA (time averaged) in ambient light sensing plus proximity sensing, including external IR LED current. Maxim Integrated MAX44000 Ambient & Infrared Proximity Sensor integrates three optical sensors, two ADCs, and digital functionality into a tiny 2mm x 2mm x 0.6mm package. This integration saves valuable board space while delivering optical fusion and excellent light-sensing performance.
Maxim Integrated MAX44000 Ambient & Infrared Proximity Sensor's on-chip ambient light sensor has the ability to make wide dynamic range 0.03lux to 65,535lux measurements. An on-chip IR proximity detector is matched with an integrated IR LED driver. All readings are available on an I²C communication bus. A programmable interrupt pin minimizes the need to poll the device for data, freeing up microcontroller resources, reducing system software overhead, and ultimately, reducing power consumption. The sensor is designed to drive an external IR LED and can operate from a VDD of 1.7V to 3.6V. MAX44000 is ideal for touchscreen applications, including smartphones, portable devices, industrial sensors, and presence detection.
Maxim Integrated MAX16909 is a 3A, current-mode, Step-Down Converter with an integrated high-side switch. The device features adjustable switching frequency (220kHz to 1MHz) and pin-selectable output voltage of 5V fixed or 1V to 10V adjustable. Also featured is a wide input voltage range of 3.5V to 36V and high duty cycle operation during undervoltage transients. The MAX16909 Step-Down Converter from Maxim Integrated is ideally suited for automotive and industrial applications.
Maxim Integrated DS3920 Fast Current Mirror is designed for avalanche photodiode (APD) and PIN photodiode biasing and monitoring applications. A current clamp is included as well as a voltage clamp. Current mirror output produces a signal 5:1 proportional to the APD current. Operating temperature range for the DS3920 Current Mirror from Maxim Integrated is -40ºC to +85ºC. The device is available in a 6-pin SOT23 package.
Maxim Integrated DS3911 Quad, nonvolatile (NV) controller uses an I2C-compatible interface operating at speeds of up to 400kHz. The controller features an on-chip temperature sensor which indexes the NV look-up tables (LUTs) within a -40ºC to +100ºC temperature range and with a resolution of up to 2ºC. The DS3911 DAC from Maxim Integrated is offered in a 3mm x 5mm, 14-pin TDFN package.
Maxim Integrated 78M6613 AC Power Measurement IC is a single-phase IC designed for power supplies, smart appliances, and other applications with embedded AC load monitoring and control. 78M6613 features four analog inputs at the measurement interface. Use of Maxim's Single Converter Technology® allows for power management accuracy of 0.5% over a 2000:1 dynamic range. The Maxim Integrated 78M6613 comes packaged in a RoHS-compliant 32-pin QFN.
Maxim Integrated 71M6543 Energy Meter ICs are Teridian™ 4th-generation polyphase metering Systems-on-Chips (SoCs). Features include 5MHz 8051-compatible MPU core, low-power real-time RTC with digital temperature compensation, flash memory, and LCD driver. Maxim Integrated Single Converter Technology® supports a wide range of metering applications with few external components. 71M6543 Energy Meter ICs offer a powerful metering platform for commercial and industrial meters with up to class 0.2 accuracy.
Maxim Integrated 71M6541/2 Energy Meter ICs are Teridian™ 4th-generation single-phase metering Systems-on-Chips (SoCs). Features include 5MHz 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and LCD driver. Maxim Integrated Single Converter Technology® supports a wide range of metering applicaitions with few external components. Other features of the 71M6541/2 Energy Meter ICs include an SPI interface, advanced power management, and ultra-low power operation in both active and battery modes.
Maxim Integrated MAX1161x Low Power 12-Bit ADCs that feature internal track/hold, voltage reference, clock, and an I2C-compatible 2-wire serial interface. These Analog-to-Digital converters (ADCs) operate from a single power supply of 2.7V to 3.6V or 4.5V to 5.5V and requires just 670µA at the maximum sampling rate of 94.4ksps. These devices are available in 4, 8 and 12-channel versions and are fully differential analog inputs that are software configurable for unipolar or bipolar, and single-ended or differential operation.
Maxim Integrated MAX5981A / MAX5981B IEEE® 802.3af/at-Compliant, Powered Device (PD) Interface Controllers with Integrated Power MOSFET provide a complete interface for a PD to comply with the IEEE 802.3af/at standard in a power-over-ethernet (PoE) system. Maxim Integrated MAX5981 PD Interface Controllers provide the PD with a detection signature, a classification signature, and an integrated isolation power switch with inrush current control. MAX5981 supports a 2-Event classification method as specified in the IEEE 802.3at standard and provides a signal to indicate when probed by a Type 2 power sourcing equipment (PSE). This Maxim Integrated device detects the presence of a wall adapter power source connection and allows a smooth switch over from the PoE power source to the wall power adapter. Sleep mode and ultra-low power sleep mode features provide low power consumption while supporting Maintain Power Signature (MPS). MAX5891 PD Interface Controllers also feature an LED driver that is automatically activated during sleep mode. During sleep mode, the LED driver sources a periodic current (ILED) at 250Hz (MAX5981A) or 15.625kHz (MAX5981B).
Maxim Integrated MAX5980 Quad, Power-Sourcing Equipment (PSE) Power Controllers for Power-over-Ethernet are designed for use in IEEE® 802.3at/af-compliant PSE. Maxim Integrated MAX5980 provides powered device (PD) discovery, classification, current limit, and load disconnect detection and supports both fully automatic operation and software programmability. MAX5980 PSE Power Controllers also support new 2-event classification and Class 5 for detection and classification of high-power PDs. Maxim Integrated MAX5980 supports single-supply operation, provides up to 70W to each port (Class 5 enabled), and still provides high-capacitance detection for legacy PDs. It features an I²C-compatible, 3-wire serial interface and is fully software configurable and programmable.
Maxim provides many software resources to get you started communicating to and designing with iButtons and other 1-Wire devices. We offer everything from a variety of software development kits (SDKs) to a 1-Wire/iButton demonstration program that can exercise every 1-Wire device we offer. Please take advantage of the following resources.
We offer several SDKs as free downloads. They cover some of the most popular PC and Micro platforms with 1-Wire examples given in many of the most popular computer languages (C, Java, Visual Basic, etc).
Looking for a specific software example based on programming language, architecture, or 1-Wire device? Check out this software example search engine. It can help you find just the right example to help you understand an API call, a 1-Wire device function, or just to help get you started with 1-Wire programming.
1-Wire drivers provide native Windows 32-bit drivers for the various 1-Wire network adapters (serial port, USB port, parallel port).
The OneWireViewer is a Java™ application for exploring iButton or 1-Wire® chip features from your PC. The OneWireViewer automatically finds iButtons or 1-Wire chips on the 1-Wire Network and displays their serial numbers with a description of relevant features and menu options.
Complete Maxim solutions are available in the application areas below. Click on an area of interest to see recommended parts, application notes, and other information specific to your end equipment.