AD7148 - Programmable Touch Controller

Product Overview

Analog Devices

Part number	AD7148
Manufacturer	Analog Devices
File Size	614.28 KB
Description	Programmable Touch Controller
Datasheet	AD7148 Datasheet
Additional preview pages of the AD7148 datasheet.

The AD7148 is designed for use with capacitance sensors implementing functions such as buttons, scroll bars, and wheels.

www. datasheet4u. com Programmable capacitance-to-digital converter (CDC) Femtofarad (fF) resolution 8 capacitance sensor inputs 25 ms update rate, all 8 sensor inputs No external RC components required Automatic conversion sequencer On-chip automatic calibration logic Automatic compensation for environmental changes Automatic adaptive threshold and sensitivity levels Register map compatible with AD7143 On-chip RAM to store calibration data I2C-compatible serial interface Separate VDRIVE level for.

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Published: Apr 25, 2009 |