ADS7846N/2K5 - Texas Instruments

Manufacturer Part Number

ADS7846N/2K5

Manufacturer

Texas Instruments

Introduction

ADS7846N/2K5 is a compact touch screen controller designed for precise touch screen operations. It is suitable for integration in various electronic devices with resistive touch screens.

Product Features and Performance

Supports 4-wire resistive touch screens

12-bit resolution for accurate touch detection

SPI Interface for communication with microcontrollers

Dual voltage reference, can operate with either external or internal references

Wide supply voltage range from 2.2V to 5.25V

Product Advantages

High resolution enhances touch sensitivity

Flexible SPI interface eases integration with most microprocessors

Versatile voltage operation accommodates various power setups

Low current consumption (500 µA), enhancing battery life in portable devices

Key Technical Parameters

Touchscreen type: 4 Wire Resistive

Resolution: 12 bits

Interface: SPI

Voltage Reference: External, Internal

Supply Voltage: 2.2V ~ 5.25V

Supply Current: 500 µA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust operating temperature range ensuring performance in extreme conditions

Manufactured by Texas Instruments, known for high standards in quality and reliability

Compatibility

Compatible with various microcontrollers with SPI interface

Suitable for different resistive touch screen sizes

Application Areas

Portable electronic devices

Industrial controls

Medical instrumentation

Automotive applications

Product Lifecycle

Status: Active

Product is not nearing discontinuation

Future replacements or upgrades are supported

Several Key Reasons to Choose This Product

High fidelity in touch interfacing due to 12-bit resolution

Flexible design for easy integration into existing and new electronic systems

Low power consumption aids in the design of eco-friendly devices

Texas Instruments’ reputation for reliability and performance in semiconductor products

Broad operating temperature range suitable for diverse environmental conditions