TSOP2156

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Optical Sensors provide the ability to detect various objects along with their materials. Photo Detectors are devices that utilize various light sensitive components in order to detect and detect light wave lengths and intensities. Remote Receiver is the module which receives the optical signal from the transmitter and convert it into electrical signals. In this article, we will discuss TSOP2156 application field and working principle and how they belong to the classification of Optical Sensors, Photo Detectors and Remote Receiver.

TSOP2156 is a highly integrated, low-power, long-distance infrared remote receiver module, designed primarily for consumer electronics products. Its main purpose is to receive the optical signal from the transmitter and convert it into electrical pulses for further use. TSOP2156 provides high sensitivity to 38khz carrrier infrared signal and low power consumption, making it ideal for remote control applications.

The TSOP2156 module is an integrated circuit (IC), which includes an infrared receiver photodiode, preamplifier, and demodulator. The infrared receiver photodiode acts as a light sensor. When infrared light from the remote control is received, the signal is amplified and demodulated. The demodulated signal is then processed into an electrical pulse with varied pulse widths and durations. These pulses are then sent to the application circuit.

The working principle of the TSOP2156 is based on the modulation of the light intensity of the infrared radiation after emission. The receiver circuit controls the light levels of the signal according to the flickering frequency used to transmit the signal. The signal controls the transistor switching frequency of a current mirror, which decreases the signal level correspondingly. The signal level is also dependent on the ambient temperature, humidity, and external noise. The current mirror circuit then amplifies the signal and filters any unwanted noise. The output signal of the circuit is obtained when the receiving transistor is saturated with current.

The application field of TSOP2156 includes consumer electronics products, remote controllers, infrared data communication, and in motion-sensing security systems. It can also be used in TV/VCR remote systems. The TSOP2156 is widely used in various consumer and industrial applications due to its high sensitivity and low power consumption. It can also be implemented in timer applications where precise timing and control events are required.

In conclusion, TSOP2156 belongs to the classification of Optical Sensors, Photo Detectors and Remote Receiver. It is an integrated circuit that consists of an infrared receiver photodiode, preamplifier, and demodulator. Its working principle is based on modulation of the light intensity of the infrared radiation after emission. The application field of TSOP2156 includes consumer electronics products, remote controllers, infrared data communication, motion-sensing security systems and timer applications where precise timing and control events are required.

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