AD7143 Datasheet | Analog Devices

.. Programmable Controller for Capacitance Touch Sensors AD7143 Features Programmable capacitance-to-digital converter 25 ms update rate (@ maximum sequence length) Better than 1 fF resolution 8 capacitance sensor input channels No external RC tuning ponents required Automatic conversion sequencer On-chip automatic calibration logic Automatic pensation for environmental changes Automatic adaptive threshold and sensitivity levels On-chip RAM to store calibration data I2C®-patible serial interface Separate VDRIVE level for serial interface Interrupt output for host controller 16-lead, 4 mm x 4 mm LFCSP-VQ 2.6 V to 3.6 V supply voltage Low operating current Full...