ATMXT112S-MA5U

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The ATMXT112S-MA5U is a linear capacitive touch sensing controller IC built by Atmel. It is designed for implementation with a single-layer sensor in trackpads and buttons, aiming to rapidly integrating linear capacitive touch buttons and touch sliders in designs.

The ATMXT112S-MA5U is an ideal solution for touchscreen button larger than 5.7 mm in size. It supports up to sixteen buttons and eight slider, depending on the size of the input range and the resolution required.

Application Field

The ATMXT112S-MA5U is suitable for a wide range of applications. It can be applied in consumer electronics products, including automotive, home and building automation, medical equipment, white goods, computer peripherals and other industrial applications.

The ATMXT112S-MA5U can support up to sixteen touch buttons and eight sliders. Furthermore, it is able to detect linear touches with flexible sensitivity, resulting in an enlarged interaction surface area. Additionally, the device features unique noise immunity, low power consumption and high performance.

Working Principle

The ATMXT112S-MA5U uses a capacitive sensing technique for finger recognition on the touch surface. The capacitive sensors are typically made of metallic plates, separated by an insulating material. When a finger is placed on the sensing pad, electric signals near the finger will be affected due to the fact of the increasing capacitance of the area.

The sensor IC measures the capacite change when finger is touched and calculates the touched position. After the signal is digitised and processed by the chip, it will transmit a input signal through the I2C bus. The host will then execute the corresponding command accordingly.

With Atmel\'s advanced process, the ATMXT112S-MA5U can enjoy a wide range of benefits. For example, it can detect and recognise subtle and gentle touches on sensing pads, along with improved performance and lower power consumption. Additionally, it features high immunity to EMI, RF noise, and a series of anti-jamming performances.

Conclusion

To conclude, the ATMXT112S-MA5U is an advanced sensor IC from Atmel, with excellent touch sensing capabilities. It can be applied in a wide range of applications, from consumer electronics to industrial solutions. Moreover, it features unique features such as high noise immunity, linear touch detection, and low power consumption. All in all, the ATMXT112S-MA5U is a perfect choice for any capacitive touch sensing application.

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