INA282

SOIC (D)

8

19 mm² 4.9 x 3.9

VSSOP (DGK)

8

15 mm² 3 x 4.9

Wide Common-Mode Range: –14 V to +80 V
Offset Voltage: ±20 µV
CMRR: 140 dB
Accuracy:
- ±1.4% Gain Error (Max)
- 0.3 µV/°C Offset Drift
- 0.005%/°C Gain Drift (Max)
Available Gains:
- 50 V/V: INA282
- 100 V/V: INA286
- 200 V/V: INA283
- 500 V/V: INA284
- 1000 V/V: INA285
Quiescent Current: 900 µA (Max)

Wide Common-Mode Range: –14 V to +80 V
Offset Voltage: ±20 µV
CMRR: 140 dB
Accuracy:
- ±1.4% Gain Error (Max)
- 0.3 µV/°C Offset Drift
- 0.005%/°C Gain Drift (Max)
Available Gains:
- 50 V/V: INA282
- 100 V/V: INA286
- 200 V/V: INA283
- 500 V/V: INA284
- 1000 V/V: INA285
Quiescent Current: 900 µA (Max)

The INA28x family includes the INA282, INA283, INA284, INA285, and INA286 devices. These devices are voltage output current shunt monitors that can sense drops across shunts at common-mode voltages from –14 V to +80 V, independent of the supply voltage. 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 current sense amplifiers operate from a single +2.7-V to +18-V supply, drawing a maximum of 900 µA of supply current. These devices are specified over the extended operating temperature range of –40°C to +125°C, and offered in SOIC-8 and VSSOP-8 packages.

The INA28x family includes the INA282, INA283, INA284, INA285, and INA286 devices. These devices are voltage output current shunt monitors that can sense drops across shunts at common-mode voltages from –14 V to +80 V, independent of the supply voltage. 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 current sense amplifiers operate from a single +2.7-V to +18-V supply, drawing a maximum of 900 µA of supply current. These devices are specified over the extended operating temperature range of –40°C to +125°C, and offered in SOIC-8 and VSSOP-8 packages.

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Technical documentation

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	Type	Title	Date
*	Data sheet	INA28x High-Accuracy, Wide Common-Mode Range, Bidirectional Current Shunt Monitors, Zero-Drift Series datasheet (Rev. C)	12 May 2015
	Application note	Low-Drift, Precision, In-Line Motor Current Measurements With PWM Rejection (Rev. C)	28 Sep 2021
	Selection guide	Current Sense Amplifiers (Rev. E)	20 Sep 2021
	Technical article	Solving the multidecade current-measurement challenge in your 48-V BMS application	14 Jun 2021
	Technical article	How current-sense amplifiers monitor satellite health	08 Feb 2021
	Application note	Current Mode Control in Switching Power Supplies (Rev. B)	29 Dec 2020
	E-book	Simplifying Current Sensing (Rev. A)	09 Jan 2020
	Technical article	A key to accurate system thermal management: monitoring both current flow and temperature	04 Oct 2018
	Selection guide	Power Management Guide 2018 (Rev. R)	25 Jun 2018
	Application note	Hybrid Battery Charger with Load Control for Telecom Equipments (Rev. A)	09 May 2018
	Application note	Closed-Loop Analysis of Load-Induced Amplifier Stability Issues Using Zout	27 Oct 2017
	Application note	Benefits of Intergated Low Inductive Shunt for PWM Applications	17 Jun 2017
	Technical article	System trade-offs for high- and low-side current measurements	01 Jun 2017
	Application note	Precision LED Brightness and Color Mixing With Discrete Current Sense Amplifiers	28 Feb 2017
	Design guide	EMC Compliant High-Side Current Sensing With Overvoltage Protection Design Guide	13 Feb 2014
	User guide	INA282-286EVM User's Guide	23 Sep 2010

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

INA282-286EVM — INA282-286 Evaluation Module

The INA282-286EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for electromagnetic compatibility (EMC) testing. The INA282-286EVM allows the user to install a shunt resistor, (...)

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User guide

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Simulation model

INA282 PSpice Model (Rev. A)

SBOM447A.ZIP (166 KB) - PSpice Model

Simulation model

INA282 TINA-TI Spice Model

SBOM448.TSM (26 KB) - TINA-TI Spice Model

Simulation model

INA282 TINA-TI Reference Design

SBOM449.TSC (144 KB) - TINA-TI Reference Design

Simulation tool

PSPICE-FOR-TI — 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 (...)

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Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)

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User guide

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Calculation tool

Current Sense Amplifier Comparison and Error Tool (Rev. D)

SBOR020D.ZIP (582 KB)