Manufacturer Part Number
AD7877ACPZ-500RL7
Manufacturer
Analog Devices
Introduction
High-accuracy 12-bit touch screen controller with SPI interface
Product Features and Performance
12-bit resolution for precise touch location sensing
Supports 4-wire resistive touch screens
Selectable internal/external voltage reference for flexibility in use
Ultra-low power consumption with 1 µA supply current
Wide operating temperature range suitable for diverse environments
Product Advantages
High sensitivity and accuracy for enhanced user experience
Low power design ideal for portable and battery-operated devices
Robust performance across a range of operating conditions
Key Technical Parameters
4 Wire Resistive touchscreen interface
SPI communication protocol
External, Internal voltage reference options
7V to 5.25V supply voltage range
1 µA current consumption
-40°C to 85°C operating temperature
Quality and Safety Features
Reliable surface mount technology
Robust 32-VFQFN package for enhanced durability
Compatibility
Compatible with 4-wire resistive touch screens
SPI interface for easy integration with most microcontrollers
Application Areas
Portable electronics
Touchscreen monitors
Point-of-sale terminals
Automotive controls
Industrial equipment interfaces
Product Lifecycle
Status: Active
Continued support with the possibility of future upgrades
Several Key Reasons to Choose This Product
High-resolution touch sensing for precise control
SPI interface simplifies system integration
Energy-efficient design extends battery life
Wide temperature range ensures reliability in various conditions
Proven manufacturer with support and reliability in product delivery