ADS7843E - Texas Instruments

Manufacturer Part Number

ADS7843E

Manufacturer

Texas Instruments

Introduction

The ADS7843E is a precision touch screen controller designed for resistive touch screen applications.

Product Features and Performance

12-bit resolution

Supports 4-wire resistive touchscreens

Serial interface for communication with microcontrollers or processors

External voltage reference capability

Low power consumption at 2.5 µA supply current

Surface mount, 16-SSOP package for compact design integration

Product Advantages

High resolution enhances touch sensitivity and accuracy

Low power operation suitable for battery-powered devices

Wide operating temperature range for use in various environments

Texas Instruments' reliability and support

Key Technical Parameters

Resolution (Bits): 12 b

Interface: Serial

Voltage Reference: External

Voltage Supply: 2.7V ~ 5V

Current Supply: 2.5 µA

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-SSOP

Quality and Safety Features

Robust operation over a wide temperature range

Established reliability from a leading manufacturer

Compatibility

Compatible with 4-wire resistive touch screen panels

Interfacing capability with various microcontrollers and processors through serial connection

Application Areas

Digital personal assistants (PDAs)

Portable instrumentation

Point-of-sale terminals

Industrial control systems

Product Lifecycle

Product Status: Active

No indication of discontinuation, ensuring ongoing availability

Replacement parts or upgrades not stated, but Texas Instruments typically supports long-term availability

Several Key Reasons to Choose This Product

Highly-precise touch control improves user experience

Versatile supply voltage range allows for flexible design options

Low power consumption enables longer device operation, ideal for portable units

The industry reputation of Texas Instruments assures quality and long-term support

Wide temperature range makes it viable for harsh environments or outdoor applications