-

+

IN-

IN+

REF

GND

V+

OUT

13

INA210, INA211, INA212, INA213, INA214, INA215

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SBOS437I – MAY 2008 – REVISED SEPTEMBER 2016

Product Folder Links: INA210 INA211 INA212 INA213 INA214 INA215

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Copyright © 2008–2016, Texas Instruments Incorporated

8 Detailed Description

8.1 Overview

The INA210-INA215 are 26-V, common-mode, zero-drift topology, current-sensing amplifiers that can be used in

both low-side and high-side configurations. These specially-designed, current-sensing amplifiers are able to

accurately measure voltages developed across current-sensing resistors on common-mode voltages that far

exceed the supply voltage powering the device. Current can be measured on input voltage rails as high as 26 V

while the device can be powered from supply voltages as low as 2.7 V.

The zero-drift topology enables high-precision measurements with maximum input offset voltages as low as

35 µV with a maximum temperature contribution of 0.5 µV/°C over the full temperature range of –40°C to 125°C.

8.2 Functional Block Diagram