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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.

PartNo Description System Sensitivity Output Resolution Sensing Channels Interface Diagnostics Supply Voltage V Temperature Range °C Package Automotive Qualified Longevity Program External Shielding Available
AS8579 Accurate capacitive presence sensing 80 14 10 SPI YES 5 -40 to 125 SSOP24 Yes January 2031 Yes