Current sense amplifiers analog output

Enable improved system accuracy, feedback control and protection

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Current sense amplifiers have unique front-end architectures that allow their inputs to see voltages that exceed supply. In addition, highly-matched, integrated resistors increase accuracy and stability over temperature while shrinking overall system size. Additionally, this accuracy allows for lower ohmic shunts and power dissipation. With our diverse portfolio of analog-output current sense amplifiers, you can meet your system's precision, drift, and voltage requirements. 

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INA296B NEW

-5-V to 110-V, bidirectional, 1.1-MHz 5-V/µs high-precision current sense amplifier

Approx. price (USD) 1ku | 0.95
INA296A NEW

-5-V to 110-V, bidirectional, 1.1-MHz 5-V/µs ultraprecise current sense amplifier

Approx. price (USD) 1ku | 1.35
INA241A NEW

-5-V to 110-V bidirectional ultraprecise current sense amplifier with enhanced PWM rejection

Approx. price (USD) 1ku | 1.35
INA241B NEW

-5-V to 110-V bidirectional high-precision current sense amplifier with enhanced PWM rejection

Approx. price (USD) 1ku | 0.95
INA190-EP NEW

Enhanced product, 40-V, bidirectional, ultraprecise current sense amplifier with picoamp IB & EN

Approx. price (USD) 1ku | 3.25

Technical resources

Video series
Video series
TI Precision Labs - Current sense amplifiers
Check out this comprehensive curriculum for current sense amplifiers. The series is comprised of short training videos that cover the basics of current sense amplifiers, tips for applications, debugging, key specs and more.
E-book
E-book
Simplifying Current Sensing (Rev. A)
Explore a comprehensive library of application-specific current sensing design challenges and how to solve them.
document-pdfAcrobat PDF
Selection guide
Selection guide
Current Sense Amplifiers (Rev. E)
Find featured reference designs and current sense amplifier products.
document-pdfAcrobat PDF

Design & development resources

Calculation tool
Current sense amplifier comparison and error tool
This Excel calculator provides a comparison between two and five of our standard current sense amplifiers, delivering a chart containing the basic parameters of each device. This calculator also takes system condition inputs from users such as common-mode voltage, supply voltage, shunt resistor (...)
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 (...)
Evaluation board
INA296x evaluation module for -5-V to 110-V 1.1-MHz current sense amplifier with 5-V/µs slew rate

INA296AEVM is a small module with five completely independent boards that can be broken off by the designer. Five schematically identical boards are available for each of the five gain variations of the INA296x with inputs up to 110-V common-mode and 10-A (onboard shunt) input capability.

Each board (...)