INA213CIDCKT Integrated Circuits (ICs)

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1. Description

The INA213CIDCKT 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.

2. Features

    1. Wide Common-Mode Range: –0.3 V to 26 V

    2. Offset Voltage: ±35 μV (Maximum, INA210) (Enables Shunt Drops of 10-mV Full-Scale)

    3. 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)

    4. 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

    5. Quiescent Current: 100 μA (Maximum)

    6. SC70 and Thin UQFN Packages: All Models

3. Applications

    1. Notebook Computers

    2. Cell Phones

    3. Telecom Equipment

    4. Power Management

    5. Battery Chargers