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 MAX11202/12 serial output ADCs features the highest resolution per unit power in the industry. This ultra-low-power (< 300µA max active current), high-resolution, serial output ADC is optimized for applications that require high dynamic range with low power such as sensors on a 4mA to 20mA industrial control loop. The MAX11202/12 provides a high-accuracy internal oscillator that require no external components. When used with the specified data rates, the internal digital filter provides more than 80dB rejection of 50Hz or 60Hz line noise. Maxim MAX11202/12 serial output ADCs provide a simple 2-wire serial interface in the space-saving, 10-pin µMAX package and operates over the -40°C to +85°C temperature range.
Maxim Integrated's MAX34440 6-Channel Power-Supply Manager is a
PMBus™-compliant, highly integrated system monitor based upon a 16-bit
MAXQM microcontroller with factory-programmed functionality to monitor
up to six power supplies. The device provides power-supply closed-loop
control, and local/remote thermal-sensing facilities. MAX34440 monitors the power-supply output voltage and continually checks
for user-programmable overvoltage and under voltage thresholds. This
Maxim Integrated device can margin the power-supply output
voltage up or down to a user-programmable level in a closed-loop
arrangement. The closed-loop arrangement allows the MAX34440 to
automatically adjust a pulse-width-modulated (PWM) output and then
measure the resulting output voltage. This Maxim Power-Supply Manager
can also sequence the supplies in any order at both power-up and
power-down. Using an external current-sense amplifier, the MAX34440 6-Channel Power-Supply Manager can also monitor
currents. This design makes the Maxim MAX34440
6-Channel Power-Supply Manager ideal for use in base stations, industrial
controls, network switches/routers, servers, and smart grid network
Maxim Integrated 78M6610+PSU Energy Measurement Processor is a single-core energy measurement processor for single-phase power supplies. This Maxim device is designed specifically for real-time monitoring at the input of AC-DC power converters used in data centers and IT server rooms. It is available in either a 24-pin QFN or 16-pin TSSOP package for optimal space savings. 78M6610+PSU provides four analog inputs (two differential and two single ended) for interfacing to voltage, current, and two optional temperature sensors. Scaled voltages from the sensors are fed to the single converter front-end utilizing a high-resolution delta-sigma converter. An embedded 24-bit energy measurement processor (EMP) and firmware performs all the necessary computation, compensation, and data formatting for accurate, real-time reporting to the host. 78M6610+PSU features integrated flash memory, making it a completely autonomous solution capable of storing nonvolatile data, such as calibration coefficients and input configuration settings.
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's MAX11166 16-bit, 500ksps, SAR ADC and MAX11167 16-bit, 250ksps, SAR ADC are the industry's smallest bipolar ±5V, 16-bit analog-to-digital converters (ADCs). These devices are available in a tiny 9mm2 package and are the only 12-pin 16-bit bipolar ADCs to integrate an internal reference buffer, saving cost and at least 88% board space over competing solutions. These ADCs feature Beyond-the-Rails™ technology, which supports ±5V input signal from a single positive 5V input rail. This technology eliminates the need for negative power supplies and simplifies designs.
Maxim Integrated MAX14571 / MAX14572 / MAX14573 Adjustable Overvoltage and Overcurrent Protectors are ideal for protecting systems against positive and negative input voltage faults up to ±40V and feature low 100mΩ (typ) RON FETs. The overvoltage-protector (OVP) feature protects voltages between 6V and 36V, while the undervoltage-protector (UVP) feature protects voltages between 4.5V and 24V. The overvoltage-lockout (OVLO) and undervoltage-lockout (UVLO) thresholds are set using optional external resistors. The factory-preset internal OVLO threshold is 33V (typ) and the preset internal UVLO threshold is 19.2V (typ). These Maxim protection devices also feature programmable current-limit protection up to 4.2A. Once current reaches the threshold, MAX14571 turns off after the 20.7ms (typ) blanking time and stays off during the retry period. MAX14572 latches off after the blanking time, and MAX14573 limits the current continuously. MAX14571-73 also offer reverse current and thermal-shutdown protection. These devices are designed for use in a variety of battery-power applications, consumer electronics, industrial equipment, and marine equipment.
Maxim Integrated MAX16936 36V, 220kHz to 2.2MHz Step-Down Converter with integrated high-side and low-side MOSFETs operates with input voltages from 3.5V to 36V, while using only 28µA quiescent current at no load. The switching frequency is resistor programmable from 220kHz to 2.2MHz and can be synchronized to an external clock. The output voltage of the MAX16936 is available as 5V/3.3V fixed or adjustable from 1V to 10V. The wide input voltage range along with its ability to operate at 98% duty cycle during undervoltage transients make MAX16936 ideal for automotive and industrial applications. This step-down converter is designed to operate with an external Schottky diode for better efficiency. The low-side MOSFET enables fixed-frequency forced-PWM (FPWM) operation under light-load applications. Protection features include cycle-by-cycle current limit and thermal shutdown with automatic recovery. Additional features include a power-good monitor to ease power-supply sequencing and a 180° out-of-phase clock output relative to the internal oscillator at SYNCOUT to create cascaded power supplies with multiple MAX16936s.
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 MAX31850 / MAX31851 cold junction compensated 1-wire Thermocouple to Digital Converters are accurate thermocouple-to-digital converter ICs that ease design effort and lower system cost. The 1-wire interface simplifies multi-thermocouple systems with minimal wiring. Each device has a unique 64-bit serial code stored in an on-board ROM. They also feature four pin-programmable bits to uniquely identify up to 16 sensor locations on a bus. MAX31850 / MAX31851 simplify system fault management and troubleshooting by detecting thermocouple shorts to GND or VCC These devices also detect open thermocouple. They are ideal for use in a variety of applications, including precision industrial thermal monitoring, medical equipment, solar equipment, automotive, and more.
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 MAX5715 Quad-Channel, 12-Bit Digital-to-Analog Converter (DAC) is a feature-rich device including output buffers and an internal reference that is selectable to 2.048V, 2.500V, or 4.096V. MAX5715 DAC accepts a wide supply voltage range of 2.7V to 5.5V with extremely low power (3mW) 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. MAX5715 includes a 50MHz 3-wire SPI/QSPI™/MICROWIRE®/DSP-compatible serial interface that also includes an active-low RDY output for daisy-chain applications. 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). On power-up, MAX5715 resets the DAC outputs to zero, providing additional safety for applications that drive valves or other transducers which need to be off on power-up. The internal reference is initially powered down to allow use of an external reference. MAX5715 allow simultaneous output updates using software LOAD commands or the hardware load DAC logic input (active-low LDAC).
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 MAX14824 IO-Link® Master Transceiver is an IO-Link master interface that integrates an IO-Link physical layer transceiver with an auxiliary digital input and two linear regulators. High port count IO-Link master applications are supported through in-band SPI addressing. The 12MHz SPI interface minimizes host controller access times. In-band addressing and selectable SPI addresses enable cascading up to 16 devices. Maxim MAX14824 supports all the IO-Link data rates and features slew-rate-controlled drivers to reduce EMI. The driver is guaranteed to drive up to 300mA (min.) load currents. Internal wake-up circuitry automatically determines the correct wake-up polarity, allowing for the use of simple UARTs for wake-up pulse generation. MAX14824 is available operates over the extended -40ºC to +105ºC 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 / MAX17503 high-efficiency, high-voltage, synchronous step-down DC-DC converters with integrated MOSFETs operate over a 4.5V to 60V input voltage range. These Maxim Integrated devices feature peak-current-mode control with pulse-width modulation (PWM). 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 MAX6765-MAX6774 automotive micropower linear regulators with supervisor are low quiescent-current devices that operate from 4V to 72V and deliver up to 100mA of load current. These Maxim Integrated micropower linear regulators consume only 31µA of quiescent current, making them ideal for always-on automotive modules. MAX6765-MAX6774 linear regulators are offered with 5V, 3.3V, 2.5V, and 1.8V fixed output-voltage options. MAX6765-MAX6774 devices are available in a small, thermally enhanced 3mmx3mm TDFN package that can dissipate up to 1.951W, supporting continuous regulator operation during high ambient temperatures, high battery voltage, and high load-current conditions. Maxim Integrated MAX6765-MAX6774 micropower linear regulators are designed for use in automotive, industrial, and telecom applications.
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.