AD7142 - Programmable Controller

Product Overview

Analog Devices

Datasheet Details

Part number	AD7142
Manufacturer	Analog Devices
File Size	1.05 MB
Description	Programmable Controller
Datasheet	AD7142 Datasheet
Additional preview pages of the AD7142 datasheet.

Product details

Description

The AD7142 and AD7142-1 are integrated capacitance-todigital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method.

Features

Programmable capacitance-to-digital converter 36 ms update rate (@ maximum sequence length) Better than 1 fF resolution 14 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 SPI®-compatible serial interface (AD7142) I2C®-compatible serial interface (AD7142-1) Separate.

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Published: Oct 20, 2006 |