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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)
LCD Gamma Buffer
Special Function Amplifier
Texas Instruments LMP92064 Precision Low-Side Digital Current Sensor & Voltage Monitor is a current sensor and monitor that includes a digital SPI interface. This analog front-end (AFE) includes a precision current sense amplifier to measure a load current across a shunt resistor and a buffered voltage channel to measure the voltage supply of the load. The current and voltage channels are sampled simultaneously by independent 125kSps 12-bit ADC converters, allowing for very accurate power calculations in unidirectional sensing applications. The LMP92064 includes an internal 2.048V reference for the ADCs, eliminating the need of an external reference and reducing component count and board space. A host can communicate with the LMP92064 using a four-wire SPI interface running at speeds of up to 20MHz. The fast SPI interface allows the user to take advantage of the higher bandwidth ADC to capture fast varying signals. The four-wire interface with dedicated unidirectional input and output lines also allows for an easy interface to digital isolators in applications where isolation is required.
Texas Instrument's BUF20800 18-Channel Gamma Voltage Generator is a programmable voltage reference generator designed for gamma correction in TFT-LCD panels. It provides 18 programmable outputs for gamma correction and two channels for VCOM adjustment, each with 10-bit resolution. This programmability replaces the traditional, time consuming process of changing resistor values to optimize the various gamma voltages and allows designers to determine the correct gamma voltages for a panel very quickly. Required changes can also be easily implemented without hardware changes. The BUF20800 uses TI’s latest, small-geometry analog CMOS process, which makes it a very competitive choice for full production, not just evaluation. Programming of each output occurs through an industry standard, two-wire serial interface. Unlike existing programmable buffers, the BUF20800 offers a high-speed mode that allows clock speeds up to 3.4MHz.
Texas Instruments DRV411 Sensor Signal Conditioning IC is designed to condition InSb Hall elements for use in closed-loop current-sensor modules. The DRV411 provides precision excitation circuitry for the Hall-element effectively eliminating the offset and offset-drift of the Hall element. This device also provides a 250mA H-bridge for driving the sensor compensation coil as well a precision differential amplifier to generate the output signal. The 250mA drive capability of the H-bridge roughly doubles the current measurement range compared to conventional single-ended drive methods. The Hall sensor front-end circuit and the differential amplifier employ proprietary offset cancelling techniques. These techniques, along with a high-accuracy voltage reference, significantly improve the accuracy of the overall current-sensor module. The output voltage is pin-selectable to support a 2.5V output for use with a 5V power supply, as well as 1.65V for 3.3V sensors. For optimum heat dissipation, the DRV411 is available in thermally enhanced 4mm × 4mm QFN and TSSOP-20 with PowerPAD packages.
Texas Instruments TAS5548 and TAS5558 HD-compatible audio processors are 8-channel digital pulse width modulators (PWMs) with digital audio processing and sample rate converters that provide both advanced performance and a high level of system integration. TI TAS5548 and TAS5558 are designed to interface seamlessly with most digital audio decoders. The devices support DTS-HD specification for Blu-ray HTiB applications. The sample rate converters consist of two separate modules that handle 4 channels each. TAS5548 and TAS5558 can support two different input sampling rates. These TI devices can drive 8 channels of H-bridge power stages. They also provide a high-performance, differential output to drive an external, differential-input, analog headphone amplifier.
Texas Instruments OPA317 (1-channel), OPA2317 (2-channel), and OPA4317 (four-channel) precision operational amplifiers (op amps) are members of the Zero-Drift family of amplifiers that use a proprietary auto calibration technique to simultaneously provide low offset voltage (90µV max) and near-zero drift over time and temperature at only 35µA (max) of quiescent current. These TI op amps feature rail-to-rail input and output in addition to near flat 1/f noise, making this amplifier ideal for many applications, and much easier to design into a system. These TI devices are optimized for low-voltage operation as low as +1.8 V (±0.9 V) and up to +5.5 V (±2.75 V).
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.
Texas Instruments TAS2505 and TAS2521 are digital input Class-D speaker amplifiers. TI TAS2505 offers support for 24-bit digital I2S data mono playback. In addition to driving a speaker amp up to 4Ω, the device also features a mono headphone driver and a programmable digital-signal processing block. The digital audio data format is programmable to work with popular audio standard protocols (I2S, left/right-justified) in master, slave, DSP and TDM modes. TI TAS2521 provides support for 24-bit digital I2S data mono playback. In addition to driving a speaker amp up to 4Ω, the device also features a mono headphone driver and a fully programmable miniDSP for signal processing. The digital audio data format is programmable to work with popular audio standard protocols (I2S, left/right-justified) in master, slave, DSP and TDM modes. These TI audio amps are ideal for use in portable audio devices, portable navigation devices, and white goods.
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 TAS5630B 300W Stereo Class D Amplifier is a high-performance analog-input device with integrated closed-loop feedback PurePath HD technology. TI TAS5630B Class D Amplifier has the ability to drive up to 300W stereo into 4Ω to 8Ω speakers from a single 50V supply. PurePath HD technology enables traditional AB-amplifier performance (<0.03% THD) levels while providing the power efficiency of traditional class-D amplifiers. Unlike traditional class-D amplifiers, TI TAS5630B has a distortion curve that does not increase until the output levels move into clipping. This TI stereo Class D amplifier is ideal for use in a variety of applications, including mini combo systems, AV receivers, DVD receivers, and active speakers.
Texas Instruments TMP104 digital output temperature sensor is capable of reading temperatures to a resolution of 1°C and features a SMAART wire interface that supports daisy-chain configurations. The SMAART wire interface also supports multiple device access (MDA) commands that allow the master to communicate with multiple devices on the bus simultaneously, eliminating the need to send individual commands to each TI TMP104 digital temperature sensor on the bus. Up to 16 TMP104 devices can be tied together in parallel and easily read by the host. TI TMP104 is especially ideal for space-constrained, power-sensitive applications with multiple temperature measurement zones that must be monitored.
Texas Instruments AFE5808A 8-Channel Ultrasound Analog Front End is a highly integrated Analog Front-End (AFE) solution specifically designed for ultrasound systems in which high performance and small size are required. TI AFE5808A 8-Channel AFE integrates a complete time-gain-control (TGC) imaging path and a continuous wave Doppler (CWD) path. This TI device also enables users to select one of various power/noise combinations to optimize system performance. The TI AFE5808A is a suitable ultrasound AFE solution for portable and high-end systems. It contains eight channels of voltage controlled amplifier (VCA), 14/12-bit analog-to-digital converter, and CW mixer. The VCA includes low noise amplifier (LNA), voltage controlled attenuator (VCAT), programmable gain amplifier, and a low-pass filter.
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.
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Engineering Development Tools help the design engineer evaluate, create, or debug a design based upon a semiconductor device. Development tools come in a variety of formats including starter kits, evaluation boards, debuggers, or a full blown development environment.
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