AT42QT2120-MMH

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The AT42QT2120-MMH is a capacitive touch sensor integrated circuit that is designed for use in varying and extremely harsh environments, making it an ideal choice for a wide array of industrial, public, commercial and automotive applications. The AT42QT2120-MMH is a highly flexible, low-power device that provides low-cost solutions for various types of capacitive touch systems.

The AT42QT2120-MMH offers a wide range of functions and features to support an array of applications and environmental conditions. It is equipped with a 16-bit RISC processor that allows for direct, time-bounded access to all of its external memory and peripheral resources, including the analog-to-digital conversion and digital-to-analog conversion. This helps the device reduce power consumption, allowing for longer battery life. In addition, the device has an advanced security package which allows for the encryption of critical information.

The AT42QT2120-MMH utilizes a capacitive-sensing principle, which is based on the change in capacitance due to a change in distance or orientation between two conductive plates. This sensing principle allows the device to detect touch input on any type of surface, including flat or curved surfaces, making it extremely versatile. The device also features a power-saving sleep mode, which allows the device to remain idle whenever it is not actively being used.

The AT42QT2120-MMH’s sensing performance is optimized for use in harsh conditions, such as vibration, environmental changes, harsh chemicals, dust, and water. It is compliant with the IEC 60529 IP4 waterproofing standards, which provide protection against particles and water. Additionally, the device features an adjustable sensing sensitivity that allows it to detect light touches as well as hard presses.

The AT42QT2120-MMH features an extensive range of features, including auto-calibration, automatic noise filtering, temperature compensation, low power modes, and many others. This helps ensure accurate touch sensing in a wide variety of applications and environmental conditions. Additionally, the AT42QT2120-MMH provides a wide range of interface options, including I/O and USB ports, as well as support for various communication protocols.

Overall, the AT42QT2120-MMH is a robust, low-power device designed to provide reliable capacitive touch sensing in harsh and varying industrial and automotive environments. Its flexibility and range of functions make it an ideal solution for numerous applications and its advanced security package ensures that any data gathered remains secure.

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