AD7143 - integrated capacitance-to-digital converter

Product Overview

Analog Devices

Datasheet Details

Part number	AD7143
Manufacturer	Analog Devices
File Size	1.76 MB
Description	integrated capacitance-to-digital converter
Datasheet	AD7143 Datasheet
Additional preview pages of the AD7143 datasheet.

Product details

Description

The AD7143 is an integrated capacitance-to-digital converter (CDC) with on-chip environmental calibration for use in systems requiring a novel user input method.

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.

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Published: Feb 15, 2007 |