Part # AD7148 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD7148 Programmable Touch Controller for Single Electrode Capacitance Sensors Data Sheet (Rev. 0)


Part Details:

Programmable Touch Controller for Single Electrode Capacitance Sensors AD7148 FEATURES FUNCTIONAL BLOCK DIAGRAM Programmable capacitance-to-digital converter (CDC) AC V SHIELD CC GND BIAS 5 8 7 6 Femtofarad (fF) resolution AD7148 8 capacitance sensor inputs CIN0 13 POWER-ON 25 ms update rate, all 8 sensor inputs RESET LOGIC EXCITATION No external RC components required CIN1 14 SOURCE Automatic conversion sequencer CIN2 15 CALIBRATION On-chip automatic calibration logic RAM H CIN3 C IX 16 R Automatic compensation for environmental changes IT T 16-BIT Automatic adaptive threshold and sensitivity levels SW MA CALIBRATION CIN4 1 - ENGINE CDC Register map compatible with AD7143 CIN5 2 On-chip RAM to store calibration data


Please click the following link to download the datasheet:

AD7148.pdf Datasheet