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AD7143

Part Number	AD7143
Manufacturer	Analog Devices
Description	integrated capacitance-to-digital converter
Published	Feb 15, 2007
Detailed Description	www.DataSheet4U.com Programmable Controller for Capacitance Touch Sensors AD7143 FEATURES Programmable capacitance-to-d...
Datasheet	AD7143 PDF File

Overview

www.
DataSheet4U.
com Programmable Controller for Capacitance Touch Sensors AD7143 FEATURES Programmable capacitance-to-digital converter 25 ms update rate (@ maximum sequence length) Better than 1 fF resolution 8 capacitance sensor input channels No external RC tuning components required Automatic conversion sequencer On-chip automatic calibration logic Automatic compensation for environmental changes Automatic adaptive threshold and sensitivity levels On-chip RAM to store calibration data I2C®-compatible serial interface Separate VDRIVE level for serial interface Interrupt output for host controller 16-lead, 4 mm x 4 mm LFCSP-VQ 2.
6 V to 3.
6 V supply voltage Low operating current Full power...

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