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Analog current-sense amplifiers

INA213

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26V, bi-directional, high-precision current sense amplifier

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Data sheet

INA213

ACTIVE
Data sheet Order now

Product details

Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) -0.3 Input offset (±) (max) (µV) 100 Input offset drift (±) (typ) (µV/°C) 0.1 Voltage gain (V/V) 50 CMRR (min) (dB) 100 Bandwidth (kHz) 80 Supply voltage (max) (V) 26 Supply voltage (min) (V) 2.7 Iq (max) (mA) 0.115 Number of channels 1 Comparators (#) 0 Gain error (%) 0.4, 0.9 Gain error drift (±) (max) (ppm/°C) 10 Slew rate (V/µs) 0.4 Features Bidirectional, High precision, Low-side Capable Rating Catalog Operating temperature range (°C) -40 to 125
Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) -0.3 Input offset (±) (max) (µV) 100 Input offset drift (±) (typ) (µV/°C) 0.1 Voltage gain (V/V) 50 CMRR (min) (dB) 100 Bandwidth (kHz) 80 Supply voltage (max) (V) 26 Supply voltage (min) (V) 2.7 Iq (max) (mA) 0.115 Number of channels 1 Comparators (#) 0 Gain error (%) 0.4, 0.9 Gain error drift (±) (max) (ppm/°C) 10 Slew rate (V/µs) 0.4 Features Bidirectional, High precision, Low-side Capable Rating Catalog Operating temperature range (°C) -40 to 125
SOT-SC70 (DCK) 6 4.2 mm² 2 x 2.1 UQFN (RSW) 10 2.52 mm² 1.8 x 1.4

  • Updated format to match new TI layout and flow. Tables, figures and cross-references use a new numbering sequence throughout the document.

    Wide Common-Mode Range: –0.3 V to 26 V
  • Offset Voltage: ±35 µV (Maximum, INA210) (Enables Shunt Drops of 10-mV Full-Scale)
  • Accuracy:
    • Gain Error (Maximum Over Temperature):
      • ±0.5% (Version C)
      • ±1% (Versions A and B)
    • 0.5-µV/°C Offset Drift (Maximum)
    • 10-ppm/°C Gain Drift (Maximum)
  • Choice of Gains:
    • INA210: 200 V/V
    • INA211: 500 V/V
    • INA212: 1000 V/V
    • INA213: 50 V/V
    • INA214: 100 V/V
    • INA215: 75 V/V
  • Quiescent Current: 100 µA (Maximum)
  • SC70 and Thin UQFN Packages: All Models

  • Updated format to match new TI layout and flow. Tables, figures and cross-references use a new numbering sequence throughout the document.

    Wide Common-Mode Range: –0.3 V to 26 V
  • Offset Voltage: ±35 µV (Maximum, INA210) (Enables Shunt Drops of 10-mV Full-Scale)
  • Accuracy:
    • Gain Error (Maximum Over Temperature):
      • ±0.5% (Version C)
      • ±1% (Versions A and B)
    • 0.5-µV/°C Offset Drift (Maximum)
    • 10-ppm/°C Gain Drift (Maximum)
  • Choice of Gains:
    • INA210: 200 V/V
    • INA211: 500 V/V
    • INA212: 1000 V/V
    • INA213: 50 V/V
    • INA214: 100 V/V
    • INA215: 75 V/V
  • Quiescent Current: 100 µA (Maximum)
  • SC70 and Thin UQFN Packages: All Models

The INA21x are voltage-output, current-shunt monitors (also called current-sense amplifiers) that are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage. Six fixed gains are available: 50 V/V, 75 V/V, 100 V/V, 200 V/V, 500 V/V, or 1000 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.

These devices operate from a single 2.7-V to 26-V power supply, drawing a maximum of 100 µA of supply current. All versions are specified over the extended operating temperature range (–40°C to +125°C), and offered in SC70 and UQFN packages.

The INA21x are voltage-output, current-shunt monitors (also called current-sense amplifiers) that are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage. Six fixed gains are available: 50 V/V, 75 V/V, 100 V/V, 200 V/V, 500 V/V, or 1000 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.

These devices operate from a single 2.7-V to 26-V power supply, drawing a maximum of 100 µA of supply current. All versions are specified over the extended operating temperature range (–40°C to +125°C), and offered in SC70 and UQFN packages.
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Technical documentation

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Type Title Date
* Data sheet INA21x Voltage Output, Low- or High-Side Measurement, Bidirectional,Zero-Drift Series, Current-Shunt Monitors datasheet (Rev. K) PDF | HTML 14 Nov 2023
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application brief Precision Current Measurements on High-Voltage Power-Supply Rails (Rev. F) PDF | HTML 17 Oct 2022
Application note Using a PCB Copper Trace as a Current-Sense Shunt Resistor PDF | HTML 25 Jan 2022
Application brief Integrating the Current Sensing Signal Path (Rev. B) PDF | HTML 29 Sep 2021
Circuit design Low-Drift, Low-Side, Bidirectional Current Sensing Circuit (Rev. A) PDF | HTML 02 Dec 2020
Application brief Precision, Low-Side Current Measurement (Rev. B) 06 Mar 2019
Application brief External current sense amps vs integrated onboard amplifiers for current sensing (Rev. B) 19 Feb 2019
Application brief Level Shifting Signals With Differential Amplifiers (Rev. A) 02 Apr 2018
Application note Closed-Loop Analysis of Load-Induced Amplifier Stability Issues Using Zout 27 Oct 2017
Application brief Low-Side Current Sense Circuit Integration 30 Mar 2017
EVM User's guide INA210-215EVM User's Guide Hardware Version 2 08 Jul 2016
Test report PMP4425 Test Results 19 Jan 2015
More literature Over-Current Detection Products Brochure 14 Aug 2014
Application note Step-Down Converter with Cable Voltage Drop Compensation 26 Jun 2014
User guide Low-Drift Bidirectional Single-Supply Low-Side Current Sensing Design Guide (Rev. A) 16 Jun 2014
EVM User's guide INA210-215EVM User's Guide (Rev. A) 12 Jun 2014

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