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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. Read also our blog posts about fluid level sensing and about a more reliable and safer hands-on detection.

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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AS8579

Accurate capacitive presence sensing

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