ANALOG DEVICES AD7148 English products handbook Rev A
Datasheet
The AD7148 is a programmable touch controller designed specifically for single-electrode capacitance sensors. It features 500-millionths of a farad resolution, eight capacitance sensor inputs, a 25-millisecond update rate, and does not require external RC components. The AD7148 also features automatic calibration logic, environmental compensation, and automatic adaptive threshold and sensitivity levels.