AT42QT2161-MMU - Atmel

Manufacturer Part Number

AT42QT2161-MMU

Manufacturer

Microchip Technology

Introduction

The AT42QT2161-MMU is an interface sensor device specializing in capacitive touch detection. It is from Microchip Technology's QMatrix™, QSlide™ series.

Product Features and Performance

Capacitive touch sensor IC supporting up to 16 inputs

Integrated LED driver channels for direct user interface feedback

I2C compatible interface for simple integration with microcontrollers

10-bit resolution providing fine-tuned touch detection

Wide operating voltage range of 1.8V to 5.5V, accommodating various power supplies

Low current consumption of 1.14mA for power-sensitive applications

Product Advantages

Multiple touch input support allows versatile user interface designs

Built-in LED drivers reduce the need for additional components

High-resolution touch sensing for accurate and responsive user interaction

Flexible power requirements ensure compatibility with more systems

Support for I2C simplifies communication and saves GPIO pins

Key Technical Parameters

Number of Inputs: Up to 16

LED Driver Channels: 11

Interface: I2C

Resolution: 10-bit

Voltage Supply Range: 1.8V to 5.5V

Current Supply: 1.14mA

Operating Temperature Range: -40°C to +85°C

Quality and Safety Features

Robust operation under wide temperature ranges

Surface mount device with exposed pad for reliable soldering and heat dissipation

Compatibility

The AT42QT2161-MMU is designed for easy integration with most microcontrollers supporting I2C.

Application Areas

Consumer Electronics

Industrial Control Interfaces

Automotive controls

Home automation systems

Personal electronics

Product Lifecycle

Obsolete - The AT42QT2161-MMU has been marked as obsolete, suggesting that newer models or alternative solutions might be available. Replacement and upgrade options may vary.

Several Key Reasons to Choose This Product

Exceptional touch sensitivity due to high-resolution processing

Ability to manage multiple user input forms with the same IC

Versatile power supply options allow for use in various device types

Low power consumption ideal for battery-operated devices

Integrated features like LED drivers help in reducing total system cost

Durable design that operates across a range of harsh temperatures