INA282 is a -14V to +80V, Bi-Directional, High-Accuracy, Low- or High-Side, Voltage Output Current Shunt Monitor

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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.

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The low offset (±20 µV) 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, and are specified over the extended operating temperature range of –40°C to +125°C. Worth noting — they are offered in SOIC-8 and VSSOP-8 packages.

The INA282 has an accuracy of ±1.4% gain error (maximum), 0.3 µV/°C offset drift, and 0.005%/°C gain drift (maximum).

Applications for the INA28x series include telecom equipment, automotive uses, power management, and solar inverters.

By: Rachel Kalina

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