ADS7846N - Texas Instruments

Manufacturer Part Number

ADS7846N

Manufacturer

Texas Instruments

Introduction

The ADS7846N is a high-performance 12-bit resolution touch screen controller from Texas Instruments, designed for integrating with 4 wire resistive touch screens.

Product Features and Performance

Supports 4 wire resistive touch screens

12-bit resolution for precise touch location detection

SPI interface for simple and efficient communication

Capable of using both external and internal voltage references

Low power consumption with a supply current of 500 µA

Product Advantages

High precision touch control due to 12-bit resolution

Versatile voltage reference options enhance adaptability

Low power operation extends battery life in portable devices

Direct connection to microcontrollers via SPI enhances ease of use

Key Technical Parameters

Resolution (Bits): 12 b

Interface: SPI

Voltage Reference: External, Internal

Voltage Supply: 2.2V ~ 5.25V

Current Supply: 500 µA

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-TSSOP

Quality and Safety Features

Rigorous testing to ensure high reliability and performance under extreme conditions

Complies with industry standards for quality and safety

Compatibility

Directly compatible with SPI protocol devices

Seamless integration with 4 wire resistive touch screens

Application Areas

Mobile and portable devices

Point of sale terminals

Industrial control panels

Personal digital assistants (PDAs) and e-book readers

Product Lifecycle

Status: Active

The product is not near discontinuation and remains a preferred choice for new designs.

Replacement and upgrade options are available for future scalability.

Several Key Reasons to Choose This Product

High-resolution touch control enhances user experience in applications.

Flexible voltage reference and power supply options ensure ease of integration.

Low power consumption makes it ideal for portable and battery-operated devices.

Wide operating temperature range allows use in a variety of environments.

Active product status with Texas Instruments' reliability and support.