TSOP2140

Series:	--
Packaging:	Tube
Part Status:	Active
Sensing Distance:	45m
B.P.F. Center Frequency:	40.0kHz
Voltage - Supply:	2.5V ~ 5.5V
Current - Supply:	900µA
Orientation:	Side View
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 85°C (TA)

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IntroductionTSOP2140 is an infrared remote receiver developed by Vishay Semiconductors. It is a silicon photo detector integrated with an infrared sensitive preamplifier unit. It is used to detect infrared rays emitted from remote transmitters. The TSOP2140 is used in various consumer electronics applications, such as TVs, DVD players, audio systems, etc.Application Fields The TSOP2140 is used in several application fields. It is a commonly used sensor in remote control systems, and is generally used as an infrared receiver for remote controls. This device can detect modulated infrared light emitted by remote units, and convert it to electrical signals. The modulated signal is then read by the controllable device, allowing the user to control the equipment from a distance.In consumer electronics, the TSOP2140 is used as an infrared tuner module for TVs, audio systems, and other electronic equipment. This device is mounted on the back panel of TVs, whete it detects signals from infrared remote controllers. It then relays the signals to the host device, allowing the user to change various settings and perform other functions.The TSOP2140 is also used in motion sensors and night vision systems. In motion sensors, it is used to detect infrared light emitted by objects passing by the sensor unit. This is done by detecting minute changes in the ambient infrared light level, such as the infrared signal emitted by a person passing through a security zone, or the infrared signal emitted by an animal in the night. The device can be used to detect other objects that emit infrared light, such as animals or vehicles. In night vision systems, the TSOP2140 is used to detect infrared light emitted by night-vision goggles, allowing the user to see in dark environments.Working PrincipleThe TSOP2140 is composed of a photodiode and an infrared sensitive preamplifier circuit. The photodiode is an active device that absorbs the infrared light emitted by remote units. The infrared light is then converted into an electrical signal, which is amplified by the preamplifier circuit. The amplified signal is then passed to the controllable device, allowing it to perform the desired functions.The sensitivity of the TSOP2140 is adjustable, allowing it to detect different levels of infrared light. This allows the device to be used in different environments. It is also highly sensitive, and can detect very small differences in infrared light levels.ConclusionThe TSOP2140 is a powerful infrared receiver commonly used in remote control, consumer electronic, motion sensor, and night vision systems. It is composed of a photodiode and an infrared sensitive preamplifier circuit, which converts the infrared light emitted by remote transmitters into electrical signals. The device is highly adjustable and sensitive, and can be used in a variety of environments.

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