Understanding an Instrument Amplifier’s Linear Operating Range (.PDF Download)

Instrument amplifiers (INAs) are widely used for signal conditioning in data-acquisition systems and telemetry. Their differential inputs, high input impedance, and high gain make them ideal candidates for boosting the output of low-amplitude sensors like thermocouples and strain gauges. This article explains the linear operating region of an INA and how it’s defined by the common-mode input voltage and the output-voltage plot...

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