ADS7845E/2K5 - Texas Instruments

Manufacturer Part Number

ADS7845E/2K5

Manufacturer

Texas Instruments

Introduction

The ADS7845E/2K5 is a touch screen controller designed for interfacing with 5-wire resistive touch screens, providing a precise 12-bit resolution output.

Product Features and Performance

12-bit resolution ensures high precision

Compatible with 5-wire resistive touchscreens

Serial interface for simplified connectivity

External voltage reference for flexible integration

Supports a wide supply voltage range from 2.7V to 5.5V

Low supply current requirement of 280 µA enhances power efficiency

Suitable for operation in harsh conditions with a temperature range of -40°C to 85°C

Product Advantages

High resolution facilitates detailed touch input recognition

Flexible voltage requirements allow for use in varied systems

Low power consumption ensures suitability for portable devices

Wide operating temperature range increases reliability in extreme environments

Key Technical Parameters

Touchscreen Type: 5 Wire Resistive

Resolution: 12 bits

Interface: Serial

Voltage Reference: External

Supply Voltage: 2.7V ~ 5.5V

Current Supply: 280 µA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Rigorous testing for temperature endurance and operational stability

Compatibility

5-wire resistive touchscreens compatibility ensures broad application scope

Application Areas

Consumer Electronics

Portable Devices

Point of Sale Systems

Industrial Controls

Product Lifecycle

Status: Active

Not nearing discontinuation, with ongoing support and availability of components

Several Key Reasons to Choose This Product

Precision touch control with 12-bit resolution ensures detailed and accurate input

Low power consumption ideal for battery-powered devices

Robust design suitable for harsh environmental conditions

Broad compatibility with various types of resistive touchscreens

Reliable product with support guaranteed by Texas Instruments during its active lifecycle