TSOP14536

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Optical Sensors are used in various applications ranging from secure data transmission to tracking audio and video signals. These sensors are usually designed to work as a receiver in remote sensing. Each type of optical detector is designed to detect a specific type of light, ranging from infrared to visible light. One such device which is designed to detect and respond to signals of infrared light is the TSOP14536. This article delves deeper into the application fields and working principle of this device.

Application Field

The TSOP14536 small size surface mount receiver is ideal for detection of infrared remote control signals. This receiver is generally used in domestic consumer products such as TV remote control, video recorders or set-up boxes. It is designed to detect 38kHz modulated signal of infrared light. Due to its miniaturized construction and frequency agility, it is also adopted for non-domestic applications as well such as optical data transmission and medical instrumentation.

Working Principle

The TSOP14536 operates on the principle of direct demodulation. A 38kHz modulated IR signal is applied to the device\'s photo-diode, which creates a current when exposed to the radiation. This current is converted to a digital signal through a Schmitt trigger amplifier. The Schmitt trigger amplifier ensures that any noise or extreme signals do not affect the detection performance of the device. The output of the demodulator is an open collector output, which must be connected to a pull-up resistor of 5V for it to function properly. The current output of the device is approximately 20mA and its operating voltage ranges between 2.2V to 5.5V.

Conclusion

The TSOP14536 is a small size infrared remote control receiver intended for use in domestic and non-domestic applications. This device operates on direct demodulation principle and it converts the infrared radiation to digital signals. Its miniaturization, frequency agility, and reliable performance make it an ideal choice for applications such as TV remote control, video recorders, set-up boxes, optical data transmission, and medical instrumentation.

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