Instrumentation amplifiers

Integrated resistor networks maximize accuracy and space efficiency

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With cutting-edge process and thin-film technology, our instrumentation amplifiers achieve very high levels of direct-current (DC) precision such as offset voltage, gain error, drift and common-mode rejection. Innovative designs enable our instrumentation amplifiers to deliver unprecedented levels of speed, noise, and power while state-of-the-art packaging push the boundaries on size with 3 mm x 3-mm QFN options for maximum space savings.

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Find an instrumentation amplifier that best fits your design needs

INA851 NEW

Fully differential instrumentation amp, low noise (3.2 nV/√Hz), high-speed (22 MHz) and OVP (±40 V)

Approx. price (USD) 1ku | 3.99
INA350 NEW

Tiny (2-mm × 2-mm), low-power (100 µA), selectable gain instrumentation amplifier

Approx. price (USD) 1ku | 0.14
INA823 NEW

Precision (100 µV), low-power (250 µA), wide-supply (2.7 V to 36 V), instrumentation amplifier

Approx. price (USD) 1ku | 0.93

Why choose our instrumentation amplifiers?

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High DC precision

Ensure long-term stability with zero-drift, eliminate package stress parameter shifts with e-trim, and maintain high CMRR and low gain error with highly matched 0.001% thin film resistors.

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Input overvoltage protection (OVP)

Enable highly robust solutions by using TI’s 36-V instrumentation amplifiers with integrated input OVP up to ±60 V and maintain higher accuracy when compared to discrete protection schemes.

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Low noise, wide-bandwidth

Enable the highest resolution measurements with TI’s high efficiency, super-beta amplifiers with the industry’s widest-bandwidth, up to 28 MHz, and ultra-low noise, 1 nV/√Hz.

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Small packages, low power

Reduce board size with leadless 3x3 mm WSON packages and extend battery life with micro-power amplifiers, down to 50 µA.

Technical resources

Video series
Video series
TI Precision Labs - Instrumentation Amplifiers
Watch the instrumentation amplifier video series curriculum covering the theory and operation of instrumentation amplifiers. 
Technical article
Technical article
Instrumentation amplifiers FAQ
Learn more about the answers to frequently asked questions regarding instrumentation amplifiers.
Application note
Application note
Super-Beta Input Amplifiers: Features and Benefits
Learn how super-beta transistors improve precision performance in bipolar amplifiers.
document-pdfAcrobat PDF

Design & development resources

Simulation tool
PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Calculation tool
Analog engineer's calculator

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)

Evaluation board
Evaluation module for instrumentation amplifiers with alternate pinout in SO-8 (D) package

The INAEVM-ALT-SO8 is an instrumentation amplifier evaluation module (EVM) with alternate pinout and is used to simplify prototyping precision instrumentation amplifiers in the SO-8 (D) package with the pinout shown in the user’s guide. The EVM is an unpopulated board, so instrumentation (...)