AR1021T-I/ML - Microchip Technology

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