AT42QT1245-MU - Microchip Technology

Manufacturer Part Number

AT42QT1245-MU

Manufacturer

Microchip Technology

Introduction

Capacitive touch interface sensor for applications requiring touch buttons

Product Features and Performance

Integrated touch sensing and data processing

Support for up to 24 touch inputs

SPI interface for communication with host microcontrollers

10-bit resolution for touch detection

Supports a wide operating voltage range

Low power consumption

Product Advantages

High integration reduces external component count

Robust sensing algorithm resists false triggers

High temperature tolerance for diverse environments

QMatrix™ technology enhances touch detection

Key Technical Parameters

Up to 24 button inputs

SPI communication interface

10-bit resolution

Supply voltage between 3V and 5V

6mA current supply

Operating temperature range from -40°C to 105°C

Quality and Safety Features

Reliable operation in various conditions

Built to meet industry standards for quality

Extensive temperature range for harsh environments

Compatibility

Compatible with SPI-equipped microcontrollers

32-VFQFN Exposed Pad for surface mount applications

Application Areas

Consumer electronics

Automotive interfaces

Industrial controls

Home automation systems

Product Lifecycle

Active status, ongoing support

Check for potential future updates or replacements

Several Key Reasons to Choose This Product

Effective for implementing touch interfaces without external components

Stable performance mitigates the impact of environmental variables

Broad temperature range ensures reliability in thermally challenging situations

SPI interface offers simple connectivity with many types of microcontrollers

Versatile power requirements accommodate various power supplies

Low power draw contributes to battery life in portable applications