Difference amplifiers that give you everything you want and nothing you don't

Featuring precision-matched resistor networks
for high accuracy and wide common-mode range

Maximize input signal range with high common-mode voltage capability

Reduce unwanted noise with a high common-mode-rejection ratio

Improve DC accuracy with low offset and high-precision performance

Featured products

INA149 - +275-V, high common-mode-voltage difference amplifier

INA149

±275-V, high-common-mode-voltage difference amplifier

INA132 - 160-µA, low-power difference amplifier

INA132

160-µA, low-power difference amplifier

INA105 - 5-MHz, precision difference amplifier

INA105

250-µV, 1-MHz, precision difference amplifier

Featured TI Designs reference designs

Shunt-based ground fault protection for inverters powered from a 100/110-Vac supply

Shunt-based ground fault protection for inverters powered from a 100/110-Vac supply

Demonstrates how to determine ground fault conditions via current measurements through shunt resistors

Learn more

PM2.5 and PM10 particle sensor analog front-end for air quality monitoring

PM2.5 and PM10 particle sensor analog front-end for air quality monitoring

Demonstrates how to measure PM2.5 and PM10 particle matter through detection of light scattered by particles suspended in air

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Analog input module for industrial outputs and temperature sensors

Analog input module for industrial outputs and temperature sensors

Demonstrates how to implement an analog input module for a variety of industrial voltages, currents and temperature sensors, including 4-20 mA, 0-20 mA, 0-5 V, and 0-10 V

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Featured technical resources

TI Precision Labs training

Online classroom for analog engineers with more than 40 hands-on amplifier trainings and lab videos

Watch and learn

Analog Engineer's Pocket Reference

e-book for analog system design covering a wide variety of popular signal chain topics

Download e-book

Online support

Ask questions, share knowledge and help solve proglems with fellow engineers in TI's E2E™ Community

Visit amplifier forums

Companion devices

Precision op amps

Amplifiers with low input offset for precision designs

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Precision ADCs (≤10 MSPS)

Achieve pinpoint accuracy with ADCs up to 32-bit resolution

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Voltage references

Shunt and series references for precision applications

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Noise is the enemy, and TI's portfolio of difference amplifiers is equipped to fight it. By integrating high-performance operational amplifiers and precision-matched resistor arrays into a single package, unwanted signal rejection is maximized while reducing the overall design footprint required when compared to a discrete solution.