MB7469-700

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Ultrasonic receivers, transmitters, and their components are essential pieces of electronics hardware. Among these components, MB7469-700 is a key device used in a variety of applications. In this article, we will discuss the MB7469-700 application field and working principle.

Application field

The MB7469-700 is a CMOS PIR (passive infrared sensor) driver IC used in many applications involving thermal infrared detection. It is most commonly used as a component for motion detector systems such as burglar alarms, smoke detector systems, object detector systems, and other similar applications. It is specifically designed to detect and output signals when motion is detected in its field of view. This makes the MB7469-700 a very useful device for creating either simple or sophisticated motion activated systems.

Working Principle

The MB7469-700 chip is built with a CMOS integrated circuit (IC) that contains an internal oscillator. This oscillator controls the operation of the PIR motion detector. When motion is detected within the field of view of the detector, the PIR generates a signal which is received by the IC. This signal is then amplified by the IC and output as an alarm signal to an external circuit. In addition to the signal amplification, the IC also provides additional functions to enhance the overall performance of the motion detector such as power supply, hysteresis control, blocking capacitor, and the temperature compensation.

The IC also includes a voltage regulator to ensure a stable output voltage and a current limiting circuit to protect against short-circuits. The current-limiting circuit also helps to reduce power consumption. With all these features, the IC is able to provide a reliable and highly sensitive motion detector system.

Conclusion

The MB7469-700 is a highly versatile and useful IC for motion activated systems. Due to its CMOS construction, it is able to detect motion quickly and accurately. It provides additional features to improve system stability and performance. This makes it an ideal choice for any application that requires a reliable and highly sensitive motion detector.

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