BU21008MUV-E2

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The BU21008MUV-E2 is a digital sensor IC based on capacitive touch detection technology. It functions as a micro-sensor for the detection of both vibration and contact. This IC is suitable for use in a variety of applications and devices, including automotive electronics, smart phones, industrial equipment, and gaming systems. This article will discuss the application field and working principle of the BU21008MUV-E2.

Application Field

The BU21008MUV-E2 facilitates applications with diverse vibration detection range requirements. It provides a total of 8 vibration detection channels, with a sensitivity adjustment of ±2 levels. Vibration detection is activated when the measured vibration is larger than a predetermined value. This IC supports a wide range of product designs and can be used in a variety of applications, including automotive electronic products, safety monitoring, and smart home appliances. In addition, the BU21008MUV-E2 also supports contact detection. It activates the contact detection function at a contact distance of 0.1mm (typical value) and is suitable for used in products such as gaming systems, smart phones, touch panels, and industrial equipment.

Working Principle

The BU21008MUV-E2 functions as a capacitive touch IC. It has a built-in drive circuit, detection circuit, and an analog-to-digital converter. It works by converting mechanical vibration, acoustic waves, and contact into electrical signals, which are then processed by the IC. The IC has two layers of electrodes: a drive electrode, and a detection electrode. When a vibration or contact is detected, the drive electrode produces an electrical signal and the detection circuit detects this signal and converts it into a digital signal.

The BU21008MUV-E2 also has a built-in amplifiers to effectively filter out external noise and disturbance and to ensure the reliable detection of the signal. This IC has various sensitivity modes, and by adjusting the sensitivity level, the detected signal can be accurately recorded. It is capable of detecting signals in both low and high frequency bands, making it suitable for a variety of different applications. The BU21008MUV-E2 also has an extremely low power consumption to meet the requirements of long-lasting applications.

Conclusion

The BU21008MUV-E2 is a digital sensor IC based on capacitive touch detection technology. It offers a wide range of vibration and contact detection capabilities and is suitable for many different applications, including automotive electronics, industrial equipment, smart phones, and gaming systems. It has two layers of electrodes, a drive electrode and a detection electrode and detects signals via a built-in drive circuit, detection circuit, and analog-to-digital converter. It also has various sensitivity modes, low power consumption, and effective noise and vibration filtering to ensure reliable and accurate signal detection.

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