AD7147A
AD7147A is CapTouch Programmable Controller manufactured by Analog Devices.
CapTouch Programmable Controller for Single-Electrode Capacitance Sensors
SWITCH MATRIX
06663-001
Features
Programmable capacitance-to-digital converter (CDC) Femtofarad (fF) 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 AD714x On-chip RAM to store calibration data Serial peripheral interface (SPI) (AD7147A) I2C-patible serial interface (AD7147A-1) Separate VDRIVE level for serial interface Interrupt output...