TSOP33356

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Optoelectronic devices have long been used in communication systems, and infrared (IR) sensors are widely used. TSOP33356 is an infrared remote receiver of this series of products. This article will discuss the application field and working principle of TSOP33356.

Application Field

TSOP33356 is a miniaturized infrared receiver, designed for receiving infrared data transmitted from infrared remote controllers. It is mainly used for remote-controlled electronic equipment, such as TVs, DVDs, set-top boxes, air conditioners, toys, and more. It is a common and popular infrared receiver. Besides, it is also often used in many fields, such as burglar alarm control systems, home automation systems, and the automotive industry.

Working Principle

TSOP33356 uses infrared light in the form of light emitted from a remote control unit sent over a specific frequency range. The device is built with a photo detector which senses the infrared light signals from the remote control. Then it converts this signal to an electrical signal and outputs this electrical signal to an electrical circuit. Generally, a preamplifier can be connected to the output to amplify the signal. The electrical signal is filtered and rectified to make it suitable for an external circuit to use.

The Internal optical band gap in the photo detector of TSOP33356 alters depending on the intensity of the infrared signal received. The infrared light can travel great distances, upwards of 40 meters. The range of the signal depends on the strength of the signal being transmitted from the device. To conserve electricity, the device is designed with a built-in power saving mode.

To sum up, TSOP33356 is an infrared remote receiver which is widely used for detecting infrared light from a remote control. It is used in various fields and its working principle is to sense the infrared light and convert it into electrical signals.

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