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.