AD7147A - CapTouch Programmable Controller

Analog Devices

Datasheet Details

Part number	AD7147A
Manufacturer	Analog Devices
File Size	670.61 KB
Description	CapTouch Programmable Controller
Datasheet	AD7147A_AnalogDevices.pdf

The AD7147A CapTouch™ controller is designed for use with capacitance sensors implementing functions such as buttons, scroll bars, and wheels.

Programmable capacitance-to-digital converter (CDC) Femtofarad (fF) resolution 13 capacitance sensor inputs 9 ms update rate, all 13 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 is compatible with the AD714x On-chip RAM to store calibration data Serial peripheral interface (SPI) (AD7147A) I2C-compatible serial int.

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Published: Jul 3, 2010 |