AD7147 Datasheet - Analog Devices

CapTouch Programmable Controller

AD7147 Features

* www.datasheet4u.com Programmable capacitance-to-digital converter (CDC) Femtofarad 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 environme

AD7147 General Description

The AD7147 is designed for use with capacitance sensors implementing functions such as buttons, scroll bars, and wheels. The sensors need only one PCB layer, enabling ultra thin applications. The AD7147 is an integrated CDC with on-chip environmental calibration. The CDC has 13 inputs channeled thro.

AD7147 Datasheet (1.02 MB)