A Capacitive Sensor detects the change of capacity in different applications by measuring the relative change of the impedance, which is dependent on the circuit.

I&Q Demodulation Cap Sensing

ams’ I&Q demodulation based capacitive sensors, separate the measured capacitance into the parasitic resistive and capacitive part. Therefore the sensors are ideal for detecting human presence or interaction as well as sensing different liquids and fluid levels. The sensors can be used in various applications.

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Product Datasheet Demoboard
AS8579

Accurate capacitive presence sensing

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