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AD7142 PDF File ( Datasheet )

Analog Devices
AD7142ACPZ-500RL7
Programmable Controller, for Capacitive touch sensors, SPI Interface, 32-Lead LFCSP_VQ, T/R

PDF Datasheet
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AD7142 Description
Programmable Controller

FEATURES Programmable capacitance-to-digital converter 36 ms update rate (@ maximum sequence length) Better than 1 fF resolution 14 capacitance sensor input channels No external RC tuning components required Automatic conversion sequencer On-chip automatic calibration logic Automatic compensation for environmental changes Automatic adaptive threshold and sensitivity levels On-chip RAM to store calibration data SPI®-compatible serial interface (AD7142) I2C®-compatible serial interface (AD7142-1
Analog Devices
Analog Devices



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