ANALOG DEVICES AD7143 Programmable Controller for Capacitance Touch Sensors handbook
Datasheet
The AD7143 is a programmable capacitance touch sensor controller manufactured by Analog Devices, Inc. It has a 25 ms update rate, 1 fF resolution, 8 capacitance sensor input channels, automatic calibration logic, environmental compensation, adaptive threshold and sensitivity levels, and is suitable for personal music and multimedia players, cell phones, digital cameras, smart handheld devices, televisions, and automobiles.
