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AD7843 Datasheet Touch Screen Digitizer

Manufacturer: Analog Devices

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AD7843 touch screen digitizer by Analog Devices - Datasheet Preview

Datasheet Details

Part number	AD7843
Manufacturer	Analog Devices
File Size	260.14 KB
Description	Touch Screen Digitizer
Download	AD7843 Download (PDF)

General Description

The AD7843 is a 12-bit successive-approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens.

The part operates from a single 2.2 V to 5.25 V power supply and

Overview

a.

Key Features

4-Wire Touch Screen Interface Specified Throughput Rate of 125 kSPS Low Power Consumption: 1.37 mW Max at 125 kSPS with VCC = 3.6 V Single Supply, VCC of 2.2 V to 5.25 V Ratiometric Conversion High-Speed Serial Interface Programmable 8- or 12-Bit Resolution Two Auxiliary Analog Inputs Shutdown Mode: 1 ␮ A max 16-Lead QSOP and TSSOP Packages.

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