INA180A1QDBVRQ1

1 Features

1• AEC-Q100 Qualified for Automotive Applications

– Temperature Grade 1: –40°C ≤ TA ≤ +125°C

– HBM ESD Classification Level 2

– CDM ESD Classification Level C6

• Common-Mode Range (VCM): –0.2 V to +26 V

• High Bandwidth: 350 kHz (A1 Devices)

• Offset Voltage:

– ±150 µV (Max) at VCM = 0 V

– ±500 µV (Max) at VCM = 12 V

• Output Slew Rate: 2 V/µs

• Accuracy:

– ±1% Gain Error (Max)

– 1-µV/°C Offset Drift (Max)

• Gain Options:

– 20 V/V (A1 Devices)

– 50 V/V (A2 Devices)

– 100 V/V (A3 Devices)

– 200 V/V (A4 Devices)

• Quiescent Current: 260 µA Max (INA180)

2 Applications

• Motor Control

• Battery Monitoring

• Power Management

• Lighting Control

• Overcurrent Detection

3 Description

The INA180-Q1, INA2180-Q1, and INA4180-Q1(INAx180-Q1) current sense amplifiers are designed for cost-optimized applications. These devices are part of a family of current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common- mode voltages from –0.2 V to +26 V, independent of the supply voltage. The INAx180-Q1 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V.

This matched gain resistor network minimizes gain error and reduces the temperature drift. All these devices operate from a single 2.7-V to 5.5-V power supply. The single-channel INA180-Q1 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180-Q1 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA.

The INA180-Q1 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180-Q1 is available in an 8-pin, VSSOP package. The INA4180-Q1 is available in a 14-pin, TSSOP package. All device options are specified over the extended operating temperature range of –40°C to +125°C.

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