TSOP33238

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Optical Sensors are electronic devices that detect the presence of light or help to detect the intensity of light. Photo Detectors are a type of optical sensor which detect the presence of any kind of radiation. Remote Receivers are one class of photo detectors where they not only detect the presence of a radiation source but also the intensity of the radiation.

One of the popular remote receiver integrated circuits is the TSOP33238. It is an infrared receiver that uses an active surface mounted photodiode which is usually paired with an integrated preamplifier, filter, and demodulating possessor. It is designed to receive and decode a 38kHz modulated infrared signal from a hand-held infrared transmitter.

The application fields of the TSOP33238 is mainly used in wireless data transmission and other home entertainment situations. It is commonly used in remote controls, wireless microphones, TV and stereo systems and as a basic proximity sensors.

The TSOP33238 is activated when exposed directly to an infrared light with a 38kHz modulated frequency. When the external source of infrared light is blocked, the TSOP33238 will turn off. Internal noise-filtering circuitry helps reduce any unwanted signals which may interfere with the modulated signal.

The TSOP33238 is easily connected to a microcontroller or logic system through its two I/O pinouts; one for supply voltage and one for signal output. Upon reception of a valid 38kHz signal it outputs a low level (logic 0) voltage on its output pin. When no signal is received, it will remain at a logic high level.

The TSOP33238 photodiode also has its own built-in amplifier and filter that enhances the signal reception. This helps the device to pick up a signal from further distances compared to other photodetectors. The amplifier threshold voltage which controls the output voltage level is adjustable, and its rise and fall time can be altered depending on the load dynamics.

The TSOP33238 is a very reliable and efficient remote receiver device which can easily be integrated in various electronic projects. It is designed to deliver a reliable operation and perform a multitude of tasks. Its ability to detect any 38kHz modulated signal from a wide range of distances makes it suitable for many applications and situations.

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