AD7147 Datasheet | Analog Devices

CapTouch™ Programmable Controller for Single-Electrode Capacitance Sensors Features .. Programmable capacitance-to-digital converter (CDC) Femtofarad resolution 13 capacitance sensor inputs 9 ms update rate, all 13 sensor inputs No external RC ponents required Automatic conversion sequencer On-chip automatic calibration logic Automatic pensation for environmental changes Automatic adaptive threshold and sensitivity levels Register map is patible with the AD7142 On-chip RAM to store calibration data SPI-patible (serial-peripheral-interface-patible) serial interface (AD7147) I2C-patible serial interface (AD7147-1) Separate VDRIVE level for serial...