TSOP34140

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Optical sensors are a type of electronic sensor that manipulate light in order to measure a quantity or provide feedback. In particular, photo detectors – such as the TSOP34140 - enable the detection of remote infrared signals. This article looks at the application field and working principle of the TSOP34140.

Application Fields

The TSOP34140 is a general purpose infrared receiver designed to remotely control a wide range of devices such as TVs, audio systems and DVD players. It can also be used in safety systems and accessories that require IR communication. The TSOP34140 is compatible with a variety of remote IR protocols such as the Philips RC-6, SHARP, and NEC protocols.

The TSOP34140 is a widely used IR receiver, since it is capable of receiving not only strong, but also weak pulsed infrared radiation from long distances (up to 8 meters and beyond). Its wide angle reception, high responsivity and noise immunity make the TSOP34140 an ideal choice for IR remote control applications.

Main Features

The TSOP34140 includes features such as:

• High sensitivity, allowing for long range reception
• High immunity to ambient light
• Fast response time
• Wide supply voltage range

Working Principle

The TSOP34140 receives remote signals via an infrared LED connected to an external microcontroller. It receives infrared radiation emitted from the LED and converts it to an electrical signal that is then sent to the microcontroller. The TSOP34140 amplifies the signal before it is sent to the microcontroller for further processing.

The TSOP34140 is designed to receive radiation from a specific frequency (38kHz). When it detects radiation of this frequency, it produces an output signal. The output signal consists of a series of short high voltage pulses, which are then sent to the microcontroller for further processing.

Conclusion

The TSOP34140 is a general purpose infrared receiver designed for remote control applications. It is capable of receiving long range signals and is highly resistant to ambient light. The TSOP34140 amplifies the received signal and sends it to a microcontroller for further processing.

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