AD7148 - Programmable Touch Controller

Analog Devices

Datasheet Details

Part number	AD7148
Manufacturer	Analog Devices
File Size	614.28 KB
Description	Programmable Touch Controller
Datasheet	AD7148_AnalogDevices.pdf

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 |