Manufacturer Part Number
AD7873ARQZ-REEL7
Manufacturer
Analog Devices
Introduction
AD7873 is a precision touch screen controller for 4-wire resistive touchscreens, providing accurate measurement and touch pressure detection.
Product Features and Performance
4-wire resistive touchscreen control
12-bit resolution
Built-in 2.5V reference voltage
On-board temperature measurement capability
Touch pressure measurement
Single-ended or differential input capability
Product Advantages
High resolution enhances touchscreen precision
Compatible with a wide range of touchscreens
Low voltage operation supports portable and battery-powered devices
Internal voltage reference reduces external component count
Extended temperature range suitable for industrial applications
Key Technical Parameters
12-bit resolution
Serial interface
2V to 5.25V supply voltage range
-40°C to 85°C operating temperature
16-SSOP surface mount package
Quality and Safety Features
Robust against ESD events
Long operational life span
Compliance with industry standards for electronic components
Compatibility
Works with various types of 4-wire resistive touchscreens
Easily interfaced with microcontrollers via serial port
Application Areas
Point-of-sale terminals
Personal digital assistants
Portable instrumentation
Vehicle navigation systems
Industrial controls
Product Lifecycle
Product status is active
Not flagged for discontinuation
Support and documentation are available
Several Key Reasons to Choose This Product
High resolution for fine touchscreen interaction
Robust temperature range for diverse environments
Internal and external reference voltage for flexibility in design
Comprehensive touch features including pressure detection
Ease of integration with serial interface systems
Supported by Analog Devices' reliability and technical support