TSOP77P38TR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The TSOP77P38TR is an optoelectronic device that finds application in a variety of fields. It is an infrared remote digital switch and part of a large family of functional components known as Optical Sensors. These sensors convert photons, the basic particle of light energy into electrical signals, making it the perfect device for its application as a Photo Detector for the Remote Receiver.

The TSOP77P38TR is a small component that can be found within many everyday items, like remote controls and cable television systems. At its heart is a small photo diode sensitive to infrared light, effectively allowing it to sense remote signals.

When a remote control button is depressed, an IR signal encoded with information specific to the button pressed is transmitted by the device. The TSOP77P38TR is designed with two ports of input: one for the IR signal and one for power. The device activates a digital output when the signal is sensed via the IR input and produces a small “flipping” sound anytime an input is detected.

The receiving device then interprets the received signal and responds to it appropriately. This could be done in a number of ways, including what is known as a “switch bounce”. This technique enables a single remote control button to produce a diversity of commands by sensing rapid changes in the received signal encoding.

The TSOP77P38TR operates within a relatively narrow frequency range. Its output is triggered only by IR signals within this range, allowing it to act as a signal selector. As such, the device can be used to isolate certain signals from others while rejecting unwanted ones.

The device itself is constructed using a filament and two metal plates. A small metal bracket supports the LED and photo diode elements. This ensures that the device receives an adequate amount of IR light energy from the incoming signal before it generates its output. The TSOP77P38TR is also equipped with a signal amplification mechanism which improves its response time.

In summary, the TSOP77P38TR is an infrared remote digital switch utilizing a photo diode sensor to detect small amounts of IR energy. The device provides a great deal of flexibility in terms of the number of inputs it can accommodate and the types of commands it can interpret and send out. This makes it the ideal component for remote receiver systems, as it is able to provide a variety of in-home control options.

The specific data is subject to PDF, and the above content is for reference