Manufacturer Part Number
AR1021T-I/ML
Manufacturer
Microchip Technology
Introduction
The AR1021T-I/ML is a touch screen controller designed by Microchip Technology, targeting applications that require interfacing with resistive touchscreens.
Product Features and Performance
Support for 4, 5, or 8 wire resistive touchscreens
10-bit resolution for touch detection
Multiple interface options including I2C, Serial, and SPI
Operates on supply voltage ranging from 2.5V to 5V
Low supply current at 17 mA
Suitable for operation in a wide temperature range from -40°C to 85°C
Available in a surface mount 20-VFQFN Exposed Pad package
Product Advantages
Offers flexibility with multiple touchscreen types
High-resolution touch sensing for accuracy
Multiple communication protocols supported, easing integration
Low power consumption
Key Technical Parameters
Touchscreen support: 4, 5, or 8 wire resistive
Resolution: 10 bits
Interface: I2C, Serial, SPI
Supply voltage: 2.5V ~ 5V
Current supply: 17 mA
Operating temperature: -40°C ~ 85°C
Quality and Safety Features
Robust design ensures reliable operation in extreme temperatures
Compatibility
Compatible with various resistive touchscreens
Multiple protocol support ensures easy integration with most microcontrollers
Application Areas
Consumer Electronics
Automotive Applications
Industrial Controls
Medical Devices
Point of Sale Systems
Product Lifecycle
Active product, not nearing discontinuation
Future replacements or upgrades may be available as technology evolves
Several Key Reasons to Choose This Product
Accuracy in touch sensing provided by the 10-bit resolution
Flexibility in design, supporting various resistive touchscreen configurations
Low power consumption for energy-sensitive applications
Wide operating temperature range suitable for harsh environments
Reliability and support from an established manufacturer like Microchip Technology