TSOP38440

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The TSOP38440 is an infrared remote receiver, and it is widely used in applications such as Television (TV) and Hi-fi systems. This component is categorized into the Optical Sensors - Photo Detectors - Remote Receivers grouping. This paper will discuss the application field and working principle of the TSOP38440 receiver.

The TSOP38440 is one of the many types of infrared remote receivers from Vishay, and it falls within the 38 kHz frequency band. It is packaged in an TO-18 surface mounting can and has four pins, namely the collector, emitter, anode and cathode. The TSOP38440 is pin-compatible with other receivers, such as the TSOP41240, which use the same frequency band. When used, it receives signals from external infrared transmitters and allows for remote control of equipment.

The TSOP38440 can be used in a variety of applications. The most common use is in household system remote controls of consumer electronics. This includes TV and Hi-fi systems, where the receiver is normally wired to the remote control processor. Other applications may include remote light switches and similar applications in industry and commerce. The receiver is also widely used in robotics applications, such as obstacle avoidance and robot navigation.

The working principle of the TSOP38440 relies on its innate ability to detect infrared light. The receiver is usually connected to a microcontroller, which is programmed to detect the frequency of the IR signal it receives. The TSOP38440 is mostly sensitive to a continuous stream of IR light and can detect bursts of up to 10ms of IR light. It also has a wide operating voltage range of -25V to +25V, which makes it suitable for a wide range of applications.

The TSOP38440 is also very secure and reliable, as it has a cutoff frequency range of 37 kHz to 40 kHz. This means that it is able to accurately detect the frequency of IR signals within this range. Moreover, it is equipped with a field effect transistor for improved margin of safety. This helps to improve protection against static interference and noise, improving the reliability and accuracy of the component.

In conclusion, the TSOP38440 is a reliable and secure infrared remote receiver. The component falls within the Optical Sensors - Photo Detectors - Remote Receivers grouping and is mainly used in remote control applications for consumer electronics, light switches, robotics and more. The receiver works by detecting the frequency of infrared signals and using these signals to control various equipment. Equipped with a field effect transistor to improve protection against noise, the TSOP38440 is a reliable and safe choice for a variety of applications.

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