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Texas Instruments has a broad selection of op amp products available in several different process technologies and include high precision, microPower, low voltage, high voltage, high speed, and rail-to-rail devices. In addition, TI has the industry's largest selection of low-power and low-voltage op amps, with features designed to satisfy most applications.
Texas Instruments Amplifiers and Standard Linear Products
Operational Amplifier (Op Amp)
Current Shunt Monitor
LCD Gamma Buffer
Special Function Amplifier
Texas Instruments DRV8839 1.8A Low Voltage Dual Half-Bridge Driver with Individual Control Interface provides a versatile power driver solution for cameras, consumer products, toys, and other low-voltage or battery-powered applications. This TI device has two independent ½-H-bridge drivers and can drive one DC motor or one winding of a stepper motor, as well as other devices like solenoids. The output stages use N-channel power MOSFETs configured as ½-H-bridges. An internal charge pump generates needed gate drive voltages. DRV8839 can supply up to 1.8A of output current. It operates on a motor power supply voltage from 1.8V to 11V and a device power supply voltage of 1.8V to 7V. DRV8839EVM is a complete solution for evaluating the DRV8839 low voltage brushed DC motor driver. It includes an MSP430 microcontroller that is pre-programmed to take input from two dedicated analog potentiometers, for PWM speed control of two motors.
The Texas Instruments OPA2180 operational amplifiers use zero-drift techniques to simultaneously provide low offset voltage (75 µV), and near zero-drift over time and temperature. These miniature, high-precision, low quiescent current amplifiers offer high input impedance and rail-to-rail output swing within 18 mV of the rails. The input common-mode range includes the negative rail. Either single or dual supplies can be used in the range of +4.0 V to +36 V (±2 V to ±18 V). The dual version is offered in MSOP-8 and SO-8 packages. The quad is offered in SO-14 and TSSOP-14 packages. All versions are specified for operation from –40°C to +105°C.
Texas Instruments OPA313 Op Amps offer single-, dual-, and quad-channel op amps with rail-to-rail input and very low noise (25nV/√Hz at 1kHz). The low input bias current supports those op amps to be used in applications with megaohm source impedances. These devices are optimized for operation at voltages as low as +1.8V (±0.9V) and up to +5.5V (±2.75V), and are specified over the extended temperature range of –40°C to +125°C. The OPA313 (single) is available in both SC70-5 and SOT23-5 packages. The OPA2313 (dual) is offered in SO-8, MSOP-8, and DFN-8 packages. The quad-channel OPA4313 is offered in a TSSOP-14 package.
Texas Instruments DRV8313 triple half-H-bridge driver provides three individually controllable half-H-bridge drivers. It is intended to drive a three-phase brushless dc motor, though it can also be used to drive solenoids or other loads. Each output driver channel consists of N-channel power MOSFETs configured in a half-H-bridge configuration. The design brings the ground terminals of each driver to pins, to allow one to perform current sensing on each output. Current-limit circuitry or other functions are possible uses of an uncommitted comparator. The DRV8313 can supply up to 2.5A peak or 1.75A RMS output current per channel (with proper PCB heatsinking at 24V and 25°C) per half-H-bridge. The device provides internal shutdown functions for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature. The DRV8313 comes in a 28-pin HTSSOP PowerPAD package.
Texas Instruments LMH6881 / LMH6882 high-speed, high-performance programmable differential amplifiers feature a bandwidth of 2.4GHz and high linearity of 44dBm OIP3 (LMH8861) or 42dBm OIP3 (LMH6882). These TI devices are suitable for a wide variety of signal conditioning applications. LMH8861 and LMH6882 combine the best of both fully differential amplifiers and variable gain amplifiers. These devices offer superior noise and distortion performance over the entire gain range without external resistors, enabling the use of just one device and one design for multiple applications requiring different gain settings.
Texas Instruments LMP91050 Configurable AFE for NDIR Sensing Applications is a programmable integrated Sensor Analog Front End optimized for thermopile sensors, as typically used in Nondispersive Infrared (NDIR) applications. TI LMP91050 AFE provides a complete signal path solution between a sensor and microcontroller that generates an output voltage proportional to the thermopile voltage. The LMP91050's programmability enables it to support multiple thermopile sensors with a single design as opposed to the multiple discrete solutions. TI LMP91050 features a programmable gain amplifier (PGA), “dark phase” offset cancellation, and an adjustable common mode generator (1.15V or 2.59V) that increases output dynamic range.
Texas Instruments LMH6521 High Performance Dual DVGA
contains two high performance, digitally controlled variable gain
amplifiers (DVGAs). Both channels of TI LMH6521
have an independent, digitally controlled attenuator followed by a high
linearity, differential output amplifier. Each block has been optimized
for low distortion and maximum system design flexibility. Each channel
has a high speed power down mode. The internal digitally controlled
attenuator provides precise 0.5dB gain steps over a 31.5dB range. Serial
and parallel programming options are provided. Serial mode programming
utilizes the SPI interface. A Pulse mode is also offered where simple up
or down commands can change the gain one step at a time. The output
amplifier has a differential output, allowing 10VPPDsignal
swings on a single 5V supply. The low impedance output provides maximum
flexibility when driving filters or analog-to-digital converters.
Texas Instruments TLV3202 Dual-Channel Rail-to-Rail Input Comparator combines high-speed (40ns) and low-power consumption (40µA) in an extremely small package. TI TLV3202 comparator features rail-to-rail inputs, low offset voltage (1mV), and large output drive current. This TI device is also very easy to implement in a wide variety of applications where response time is critical. TLV3202 is specified for operation across the expanded industrial temperature range of –40°C to +125°C. It is designed for use in a variety of applications, including inspection equipment, test and measurement, and high-speed sampling systems.
Texas Instruments INA223 Voltage-Output Power Monitor is a voltage-output device that monitors the current, bus voltage, and power of a supply line by sensing a voltage drop across a shunt at common-mode voltages from 0V to 26V. The common-mode voltage range of TI INA223 Power Monitor is independent of the supply voltage. The low offset of the Zerø-Drift architecture enables current sensing with maximum drops across the shunt as low as 10 mV, full-scale. INA223 includes a two-wire interface used for adjusting the configuration settings of the device. The interface is used to control the signal (current shunt voltage, bus voltage, or power) that is directed to the device output. Multiple gain and attenuation settings can be programmed through the two-wire interface to allow for application-specific configurations. The programmable gain feature also allows the device to be operated over a much wider dynamic current load range without having to switch the sensing element used. INA223 is ideal for use in notebook computers, cell phones, power management, and more. INA223EVM is a platform for evaluating the performance of the INA223 under various signal, shunt, and supply conditions.
Texas Instruments DRV8832 1A Low Voltage Brushed DC Motor Driver provides an integrated motor driver solution for battery-powered toys, printers, and other low-voltage or battery-powered motion control applications. This TI device has one H-bridge driver and can drive one DC motor or one winding of a stepper motor as well as other loads like solenoids. The output driver block consists of N-channel and P-channel power MOSFETs configured as an H-bridge to drive the motor winding. DRV8832 motor driver provides a current limit function to regulate the motor current during conditions like motor startup or stall as well as a fault output pin to signal a host processor of a fault condition. DRV8832EVM evaluation module consists of a 1A, H-bridge motor driver with a parallel control interface and a small number of external components that can be used to drive one brushed DC motor or other loads like solenoids.
Texas Instruments DRV8806 provides a 4-channel low side driver with overcurrent protection. This TI low-side driver has built-in diodes to clamp turn-off transients generated by inductive loads and can be used to drive unipolar stepper motors, DC motors, relays, solenoids, or other loads. DRV8806 can supply up to 2A (single channel on) or 1A (all channels on) continuous output current (with adequate PCB heatsinking at 25°C). A serial interface is provided to control the output drivers. Fault status can be read through the serial interface. Multiple DRV8806 devices can be chained together to use a single serial interface.
Texas Instruments DRV8837 1.8A Low Voltage Brushed DC Motor Driver is the world's smallest 1.8A brushed DC motor driver. TI DRV8837 comes in a tiny, 2 x 2mm 8-pin WSON package, a 75% reduction in size versus the next nearest competitor, enabling smaller, sleeker designs. At 280mΩ, the RDS(ON) is half that of competing devices, supporting 1.8A continuous output current with excellent thermal performance. The small package size, low RDS(ON), and ultra-low 35nA sleep current make DRV8837 DC Motor Driver ideal for portable medical and robotics applications. DRV8837EVM evaluation module demonstrates the capabilities and performance of the DRV8837 motor driver.
Texas Instruments DRV8830 1A Low Voltage Brushed DC Motor Driver provides an integrated motor driver solution for battery-powered toys, printers, and other low-voltage or battery-powered motion control applications. TI DRV8830 has one H-bridge driver and can drive one DC motor or one winding of a stepper motor as well as other loads like solenoids. The output driver block of this TI DC motor driver consists of N-channel and P-channel power MOSFETs configured as an H-bridge to drive the motor winding.
Texas Instruments TAS5614LA 150W Stereo / 300W Mono Class-D Power Amplifier is a feature-optimized device based on the TAS5614A. TI TAS5614LA uses large MOSFETs for improved power efficiency and a novel gate drive scheme for reduced losses in idle and at low output signals leading to reduced heat sink size. The unique pre-clipping output signal can be used to control a Class-G power supply. TAS5624A is a thermally-enhanced version of the class-D power amplifier based on the TAS5614A using large MOSFETs for improved power efficiency and a novel gate drive scheme for reduced losses in idle and at low output signals leading to reduced heat sink size. These TI power amplifiers are ideal for use in Blu-ray™ / DVD receivers, high power sound bars, and more.
Texas Instruments TAS5731 20W Stereo (2.1) Class-D Audio Amp with Audio Processing is an efficient, digital-audio stereo power amplifier for driving stereo bridge-tied speakers. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. TI TAS5731 audio amp accepts a wide range of input data and data rates. A fully programmable data path routes these channels to the internal speaker drivers. The TAS5731 is a slave-only device, receiving all clocks from external sources. TAS5731 audio amp operates with a PWM carrier between a 384KHz switching rate and a 352KHz switching rate, depending on the input sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20Hz to 20KHz.
Texas Instruments LM48901 Boomer® Audio Power Amplifier uses a proprietary spatial sound processor to create an enhanced sound stage for portable multimedia devices. The Class D output stages feature edge rate control (ERC) PWM architecture that significantly reduces RF emissions while preserving audio quality and efficiency. TI LM48901 Boomer Audio Power Amplifier features a flexible I²S interface that is compatible with standard serial audio interfaces. A stereo differential-input ADC gives the device the ability to process analog stereo audio signals. TI LM48901 is configured through an I²C compatible interface and is capable of delivering 2.8W/channel of continuous output power into an 4Ω load with less than 10% THD+N. A 2.1 mode pairs two output drivers in parallel, increasing current drive for 4Ω loads. LM48901 audio power amplifier is designed for use in laptops, tablets, desktop computers, soundbars, MP3 players, docking stations, and multimedia devices.
Texas Instruments LMP8602 and LMP8603 60V fixed gain current sensing precision amplifiers amplify and filter small differential signals in the presence of high common mode voltages. The input common mode voltage range of these TI devices is -22V to +60V when operating from a single 5V supply. With a 3.3V supply, the input common mode voltage range is from -4V to +27V. TI LMP8602 and LMP8603 fixed gain current sensing precision amplifiers are members of LMP® family and are ideal for use in unidirectional and bidirectional current sensing applications. The LMP8602 has a precise gain of 50x while the LMP8603 has a precise gain of 100x. These precise gain figures can drive an ADC to its full scale value in most targeted applications. The LMP8602Q and LMP8603Q incorporate enhanced manufacturing and support processes for the automotive market, including defect detection methodologies.
Texas Instruments LMP8671 single and LMP8672 dual 40V low noise precision amplifiers combine high precision, low noise, and a wide operating voltage range to provide a high SNR and a wide dynamic range. The AC performance of LMP8671 and LMP8672 precision amplifiers allows them to be used over a wide frequency without degradation. TI LMP8671 and LMP8672 precision amplifiers offer an extremely high open loop gain of 135dB, low voltage noise density (2.5nV/√Hz), and a superb linearity of 0.000009%. These TI precision amplifiers also feature a high slew rate of ±20V/µs and an output current capability of ±26mA. The LMP8671 and LMP8672 are ideal for use in applications requiring DC precision and low noise, such as precision PLL filters, multi-feedback and multi-pole active filters, GPS receivers, and precision control loop systems.
Texas Instruments OPA2835 dual VFB operational amplifiers (op amps) are low-power, rail-to-rail output, negative rail input, voltage-feedback devices designed to operate over a power supply range of 2.5V to 5.5V single supply and ±1.25V to ±2.75V dual supply. These TI op amps consume only 250µA per channel with a unity gain bandwidth of 56MHz, giving them an industry-leading power-to-performance ratio for rail-to-rail amplifiers. TI OPA2835 VFB op amps are ideal for low power signal conditioning, audio ADC input buffer, and low power SAR and delta-sigma ADC driver applications.
Texas Instruments LMP7732 dual, low noise, rail-to-rail input/output low voltage amplifier, part of the LMP® amplifier family, is ideal for precision and low-noise applications with low-voltage requirements. This TI op amp offers low voltage noise of 2.9nV/√Hz with a 1/f corner of only 3Hz. LMP7732 op amp has bipolar junction input stages with a bias current of only 1.5nA. TI LMP7732 low voltage amplifier also provides a wide GBW of 22MHz while consuming only 4mA of current. The high gain bandwidth along with the high open loop gain of 130dB enables accurate signal conditioning in applications with high closed loop gain requirements.
Texas Instruments DRV8833 dual H-bridge motor drivers provide a dual bridge motor driver solution for toys, printers, and other mechatronic applications. The TI DRV8833 has two H-bridge drivers and can drive two DC brush motors, a bipolar stepper motor, solenoids, or other inductive loads. The out driver block of each H-bridge consists of N-channel power MOSFETs configured as an H-bridge to drive the motor windings. Each H-bridge includes circuitry to regulate or limit the winding current. TI DRV8833 dual H-bridge motor drivers are capable of driving up to 1.5A RMS (or DC) continuously at 25ºC with a VM supply of 5V. It can support peak currents of up to 2A per bridge. Current capability is reduced slightly at lower VM voltages.
Texas Instruments OPA1602 Soundplus™ high-performance, bipolar-input audio operational amplifiers (op amps) achieve very low 2.5nV/√Hz noise density with an ultralow distortion of 0.00003% at 1kHz. TI OPA1602 op amps offer rail-to-rail output swing to within 600mV with 2kΩ load, which increases headroom and maximizes dynamic range. TI OPA1602 op amps also have a high output drive capability of ±30mA. These TI devices operate over a very wide supply range of ±2.25V to ±18V on only 2.6mA of supply current per channel. The OPA1602 is unity-gain stable and provides excellent dynamic behavior over a wide range of load conditions. These Soundplus audio op amps feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.
Texas Instruments OPA171, OPA2171, and OPA4171 36V, single-supply, low-noise operational amplifiers (op amps) have the ability to operate on supplies ranging from +2.7V (±1.35V) to +36V (±18V). TI OPA171, OPA2171, and OPA4171 op amps are available in micro-packages and offer low offset, drift, and bandwidth with low quiescent current. The single (OPA171), dual (OPA2171), and quad (OPA4171) versions all have identical specifications for maximum design flexibility. Input signals beyond the supply rails do not cause phase reversal. This TI op amp family is stable with capacitive loads up to 300pF. The input can operate 100mV below the negative rail and within 2V of the top rail during normal operation.
Texas Instruments OPA322 / OPA2322 / OPA4322 20MHz CMOS Operational Amplifiers (Op Amps) are single-, dual-, and quad-channel devices featuring low noise and rail-to-rail inputs/outputs optimized for low-power, single-supply applications. TI OPA2322 op amps are specified over a wide supply range of 1.8V to 5.5V. The low quiescent current of 1.5mA per channel makes these TI devices well-suited for power-sensitive applications. TI OPA322 / OPA2322 / OPA4322 op amps combine very low noise (8.5 nV/√Hz at 1 kHz), high gain-bandwidth (20 MHz), and fast slew rate (10 V/µs). These TI devices feature low THD+N, making them excellent for consumer audio applications, particularly single-supply systems.
Texas Instruments OPA835 and OPA836 op amps are single ultra low-power, rail-to-rail output, negative rail input, voltage-feedback operational amplifiers designed to operate over a power supply of 2.5V to 5.5V. The TI OPA835 consumes only 250µA per channel and a unity gain bandwidth of 56MHz while the OPA836 consumes only 1mA per channel and a unity gain bandwidth of 205MHz. These TI op amps provide an industry-leading power-to-performance ratio for rail-to-rail amplifiers. The low power consumption and high frequency performance of OPA835 and OPA836 op amps provides performance versus power not attainable in comparable devices. That performance coupled with a power savings mode to reduce current to <1.5µA makes these TI devices an attractive solution for high frequency amplifiers in battery-powered applications.
Texas Instruments THS6226 Gated-Class H, Dual-Port VDSL2 Line Drivers are current-feedback architecture, differential line drive amplifier devices ideal for xDSL systems. The TI THS6226 is targeted for use in very-high-bit-rate digital subscriber line 2 (VDSL2) line driver systems that enable native DTM signals while supporting greater than +20.5dBm line power (up to 8.5MHz) with good linearity, supporting the G.993.2 VDSL2 8b profile. TI THS6226 dual-port VDSL2 line drivers are also fast enough to support central-office transmission of +14.5dBm line power up to 30MHz. TI THS6226 line drivers are ideal for all VDSL2 profiles and are backwards compatible with ADSL/ADSL2+/ADSL2++ systems. The unique architecture of these TI devices allows quiescent current to be minimal while still achieving very high linearity.
Texas Instruments LMP7701/LMP7702 Precision Rail-to-Rail Amplifiers, part of the LMP® product family, are single and dual low offset voltage, rail-to-rail input and output precision amplifiers that feature a CMOS input stage and wide supply voltage range. The VIP50 technology built into National's LMP7701/LMP7702 precision amplifiers allows the combination of a CMOS input stage and 12V common mode and supply voltage range, making these amplifiers ideal for applications where conventional CMOS parts could not operate under this and other desired voltage conditions. The rail-to-rail input stage integrated into the LMP7701/LMP7702 significantly reduces the CMRR glitch usually associated with rail-to-rail amplifiers.
Texas Instruments TAS5727 25W digital audio power amplifiers are efficient devices for driving stereo bridge-tied speakers. The TI TAS5727 features speaker equalization (EQ) that improves audio performance. These TI digital audio power amplifiers also provide two band dynamic range compression (DRC) that can be used as a power limiter and enables speaker protection, easy listening, and night-mode listening. The TAS5727 also offers autodetect, which automatically detects sample-rate changes without need for external microprocessor intervention. These TI audio power amplifiers are ideal for use in LCD TV, LED TV, and soundbar applications.
Texas Instruments TPA6138A2 and TPA6139A2 DirectPath™ headphone drivers are designed for use in PDP / LCD TV applications as well as Blu-Ray™ and DVD players, mini / micro combo systems, and sound cards. The TI TPA6138A2 pop-free stereo headphone amplifier with adjustable gain is designed to allow the removal of the output dc-blocking capacitors for reduced component count and cost. The TPA6138A2 is capable of driving 25 mW into a 32-Ω load with 3.3-V supply voltage. The device has differential inputs and uses external gain-setting resistors that support a gain range of ±1 V/V to ±10 V/V. The TI TPA6139A2 pop-free headphone driver with programmable fixed gain does not require a power supply greater than 3.3V to generate 25mW and does not require a split rail power supply. The TI TPA6139A2 allows the designer to choose from 12 internal programmable gain settings to match the line driver with the Codec output level.
The Texas Instruments OPA377, OPA2377, and OPA4377 operational amplifiers (op amps) are single-, dual, and quad-channel wide-bandwidth CMOS amplifiers that provide very low noise, low input bias current, and low offset voltage while operating on a low quiescent current of 0.76mA. TI OPA377 / OPA2377 / OPA4377 op amps are optimized for low-voltage, single-supply applications. The exceptional combination of AC and DC performance make them ideal for a wide range of applications, including small signal conditioning, audio, and active filters. In addition, the TI OPA377, OPA2377, and OPA4377 have a wide supply range with excellent PSRR, making it attractive for applications that run directly from batteries without regulation.
Texas Instruments OPA2670 VSDL2 line driver with power control provides the high output current and low distortion required in emerging xDSL and Power Line Modem driver applications. Operating on a single +12V supply, the TI OPA2670 VSDL2 line driver consumes a low 30.5mA quiescent current to deliver a very high 700mA output current. This output current on the TI OPA2670 supports even the most demanding xDSL requirements with greater than 450mA minimum output current (+25°C minimum value) with low harmonic distortion. Differential driver applications deliver less than -71dBc distortion at the peak upstream power levels of full-rate ADSL. The high 320MHz bandwidth also supports the most demanding VDSL2 line driver requirements. Power control features are included to allow system power to be minimized.
The Texas Instruments LM833 is a dual high-speed operational amplifier (op amp) with high-performance specifications for use in quality audio and data-signal applications. The TI LM833 dual op amp operates over a wide range of single- and dual-supply voltage with low noise, high-gain bandwidth, and high slew rate. Additional features include low total harmonic distortion, excellent phase and gain margins, large output voltage swing with no deadband crossover distortions, and symmetrical sink/source performance. The dual amplifiers are utilized widely in circuit of audio optimized for all preamp and high level stages in PCM and HiFi systems. The TI LM833 is pin-for-pin compatible with industry-standard dual operation amplifiers' pin assignments. With addition of a preamplifier, the gain of the power stage can be greatly reduced to improve performance.
The Texas Instruments LM324 quadruple operational amplifier (op amp) consists of four independent high-gain frequency-compensated operational amplifiers that are designed specifically to operate from a single supply over a wide range of voltages. Operation from split supplies also is possible with the TI LM324 op amp if the difference between the two supplies is 3 V to 32 V (3 V to 26 V for the LM2902), and VCC is at least 1.5 V more positive than the input common-mode voltage. The low supply-current drain is independent of the magnitude of the supply voltage. The TI LM324 op amp is designed for a variety of applications, including transducer amplifiers, DC amplification blocks, and all the conventional operational-amplifier circuits that now can be more easily implemented in single-supply-voltage systems.
Texas Instruments OPA140 / OPA2140 / OPA4140 JFET operational amplifiers (op amps) are a series of low-power JFET input amplifiers that feature good drift and low input bias current. The rail-to-rail output swing and input range that includes V- allows designers to take advantage of the low-noise characteristics of JFET amplifiers while also interfacing to modern, single-supply, precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). The TI OPA140 / OPA2140 / OPA4140 JFET op amps are ideal for use with a variety of applications, including battery-powered instruments, industrial controls, medical instrumentation, and more.
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