TSOP31156

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensing Distance:	45m
B.P.F. Center Frequency:	56.0kHz
Voltage - Supply:	2.5V ~ 5.5V
Current - Supply:	350µA
Orientation:	Side View
Operating Temperature:	-25°C ~ 85°C (TA)

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Application Field and Working Principle of TSOP31156

TSOP31156, also known as TSOP311XX and TSOP312XX, is a type of photo detector widely used in remote receiver applications. It is an active infrared receiver module which is specifically designed for the reception of optical signals with a 36 kHz carrier frequency. This module is made up of an infrared photo diode and an input amplifier IC, providing the user with a highly sensitive response to 36 kHz signals. TSOP31156 is the receiver module version of TSOP311XX, which is the more general version used for remote control applications.

Application Field of TSOP31156

TSOP31156 is one of the most commonly used photo detectors in remote receiver applications. It is designed to accurately receive 36 kHz modulated optical signals sent by the remote control. TSOP31156 is most commonly used in applications such as televisions, air conditioners, remote control vehicles, and home automation systems. It is also used in consumer electronics, home theater systems, audio/visual systems, and many other applications where a highly sensitive optical signal is required.

Working Principle of TSOP31156

The TSOP31156 is made up of a PIN photo diode and an input amplifier IC. The PIN photo diode is a light-sensitive component that converts the optical signal into an electric signal. This electric signal is then amplified by the input amplifier IC. The inner circuitry of the TSOP31156 is calibrated to respond to only 36 kHz signals. Any other modulated signal of higher or lower frequency will be rejected by the amplifier.When the PIN diode receives the 36 kHz frequency of the signal, it converts the optical energy into electric energy. The amplified signal is then output as logic level output which can be understood by the processor. The output of the module is a 0 or 1 depending on the presence or absence of the optical signal.

Conclusion

The TSOP31156 is a type of photo detector that is widely used in remote receiver applications. It is composed of a PIN photo diode and an input amplifier IC, and is specifically designed to detect 36 kHz signals with outstanding sensitivity and accuracy. Its wide application field makes it a very popular and versatile module for many applications.

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