INA210 is a 26-V, Bi-Directional, Zero-Drift, High Accuracy, Low-/High-Side, Voltage Out Current Shunt Monitor

This post is sponsored by Texas Instruments.

The INA210, INA211, INA212, INA213, INA214, and INA215 are voltage-output, current-shunt monitors that can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage.

Five 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 an SC70 package. The INA210, INA213, and INA214 are also offered in a thin UQFN package.

INA210 has an offset voltage of ±35 µV (maximum) — it enables shunt drops of 10-mV full-scale and has an accuracy of ±1% gain error with 0.5-µV/°C offset drift (maximum). Applications include notebook computers, cell phones, telecom equipment, power management, battery chargers, and also welding equipment.

By: Rachel Kalina

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