Product Model

AT42QT1481-AUR

Introduction

Capacitive touch sensor controller chip for button interfaces

Brand and Manufacturer

Microchip Technology

Features

Highly responsive touch sensing

Support for up to 48 touch inputs

Able to reject false touches

Stable operation over temperature and humidity changes

Product Performance

Fast response time

High resolution of touch detection

Strong electromagnetic interference (EMI) performance

Technical Specifications

Interface Sensors, Capacitive Touch

Resolution: 11-bit

Voltage - Supply: 4.75V to 5.25V

Current - Supply: 13mA

Communication via SPI and UART

Dimensions, Shape, and Packaging

Surface Mount - 44-TQFP package

Supplied in Tape & Reel for automated assembly

Dimensions for the TQFP package are 10mm x 10mm

Quality and Reliability

Extended operating temperature range from -40°C to 105°C

Product Advantages

No need for external components for touch sensing

Extended temperature range suitable for harsh environments

Product Competitiveness

Cost-effective capacitive touch solution

Enhanced durability and reliability

Compatibility

SPI and UART interface compatible with a variety of microcontrollers

Standard Certification and Compliance

Complies with standard industry certifications for capacitive touch controllers

Lifespan and Sustainability

Designed for a long operational life

Product can withstand tough environmental conditions

Actual Application Fields

Consumer electronics

Automotive interfaces

Industrial control panels

Medical devices

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