The AT42QT1110-MUR from Microchip Technology is a state-of-the-art touch sensor IC that is part of Microchip's QTouch™ family. This robust device is designed to detect touch inputs on multiple channels, making it an ideal solution for implementing touch controls in a wide range of applications. With its advanced features and compact design, the AT42QT1110-MUR offers a versatile and reliable touch sensing solution that can be integrated into various electronic products.

Key Features

• Multiple Touch Channels: The AT42QT1110-MUR supports 11 keys with individual key status reporting, allowing for the creation of complex touch interfaces.
• Auto Drift Compensation: This feature ensures stable touch sensing by automatically compensating for changes in the environment or the gradual wear of the touch surface.
• Adjacent Key Suppression® (AKS®): AKS technology helps to prevent false touch detections and enhances the user experience by allowing the IC to distinguish between close keys and suppress the less likely ones.
• Low Power Consumption: Designed for power-sensitive applications, the device operates with low power requirements, making it suitable for battery-operated systems.
• Fast Response Time: The AT42QT1110-MUR is capable of a quick touch response, ensuring a seamless and responsive user interface.
• Guard Channel: This feature allows the implementation of a guard channel to improve touch performance and noise immunity.

Applications

The AT42QT1110-MUR is versatile enough to be used in a variety of applications, including but not limited to:

• Consumer electronics, such as remote controls and gaming devices
• Appliances with touch interfaces, like microwave ovens and washing machines
• Automotive controls, including touch-based buttons and sliders
• Industrial control panels

Technical Specifications

The device operates on a 1.8V to 5.5V supply voltage range, providing a flexible power supply solution. It is available in a compact 32-VQFN (5x5mm) package, which is suitable for space-constrained applications.

For developers and engineers looking to integrate touch sensing capabilities into their designs, the AT42QT1110-MUR offers a reliable and easy-to-implement choice backed by Microchip's renowned quality and support.