AD7843ARQ-REEL7 - Analog Devices Inc.

Manufacturer Part Number

AD7843ARQ-REEL7

Manufacturer

Analog Devices, Inc.

Introduction

The AD7843 is a 12-bit, 4-channel, low-power, successive-approximation, touch screen controller.

Product Features and Performance

12-bit resolution

4-channel input

Low-power operation

Successive-approximation ADC

SPI/3-wire serial interface

Supports 4-wire resistive touch screens

Supports single-ended and differential touch screen configurations

Integrated temperature sensor

Supports both unipolar and bipolar input ranges

Single 2.2V to 5.25V supply

Product Advantages

Highly integrated touch screen controller

Low power consumption

Flexible interface options

Wide operating voltage range

Key Technical Parameters

12-bit resolution

4-channel input

2V to 5.25V supply voltage

-40°C to 85°C operating temperature range

Quality and Safety Features

Suitable for industrial and consumer applications

Reliable performance in harsh environments

Compatibility

Compatible with 4-wire resistive touch screens

Application Areas

Touch screen controllers for industrial, medical, and consumer electronics applications

Product Lifecycle

Current product, not nearing discontinuation

Replacement and upgrade options available

Several Key Reasons to Choose This Product

High-performance touch screen controller with 12-bit resolution

Low-power operation for battery-powered applications

Flexible interface options (SPI/3-wire) for easy integration

Wide operating temperature range for use in demanding environments

Highly integrated design reduces system complexity and cost