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AD7143 Datasheet - Analog Devices

AD7143_AnalogDevices.pdf

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Datasheet Details

Part number:

AD7143

Manufacturer:

Analog Devices ↗

File Size:

1.76 MB

Description:

Integrated capacitance-to-digital converter.

AD7143, integrated capacitance-to-digital converter

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.

The AD7143 interfaces to external capacitance sensors implementing functions, such as capacitive buttons, scroll bars, and scroll wheels.

AD7143 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 environm

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