TSOP39440

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensing Distance:	45m
B.P.F. Center Frequency:	40.0kHz
Voltage - Supply:	2.5V ~ 5.5V
Current - Supply:	450µA
Orientation:	Top View
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 85°C

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Introduction

Optical sensors are used to detect rapid changes in the environment by measuring light intensity or optical power.Photo detectors are an important type of optical sensors used to measure light intensity and convert it into an electrical signal for processing by a control or data acquisition system. Remote receivers are a special type of photo detectors used for long-distance sensing applications, such as security and surveillance systems. This article will discuss the application field and working principle of the TSOP39440 remote receiver.

Application Field of TSOP39440 Remote Receiver

The TSOP39440 remote receiver is an infrared receiver with a frequency of 36kHz. This receiver is ideal for design projects where space is limited since it has a very small package size of 2.1mm x 1.6mm. The TSOP39440 is a commonly used remote receiver in various industries including home appliances, alarm systems, car security systems, consumer electronics, and remote control systems. The TSOP39440 is specifically designed for remote control systems as it can detect a transmission signal transmitted from a remote control up to 10 meters (30 feet) away.In addition to its small size and long range detection, the TSOP39440 is also known for its low power consumption and reliable performance. This receiver has a typical standby current of 9.5uA, which makes it very energy efficient. Its response time of 9ms makes it suitable for systems that require quick and accurate response. The TSOP39440 also features strong anti-interference and immunity from electric noise, which makes it a great choice for applications in noisy environments.

Working Principle of TSOP39440 Remote Receiver

The TSOP39440 remote receiver operates by receiving infrared light from a remote control and converting it into an electrical signal. This receiver consists of two main parts: the infrared LED and the photodiode. The infrared LED emits low power infrared light that is transmitted to the receiver module. When a signal is received, the photodiode converts the light into an electrical signal which is then amplified by an operational amplifier. The amplified output signal is then sent to the input pin of the receiver module. The receiver module has two power supply pins, a ground pin, and an input/ output pin. The receiver module is powered by the two power supply pins and the output signal is sent to the input pin. The output signal from the receiver module is then further processed by the control system. The receiver then operates in two different modes: the active mode and the standby mode. In the active mode, the receiver is constantly looking for incoming signals, which causes it to consume more power. In the standby mode, the receiver is not actively looking for incoming signals and only uses a small amount of power.

Conclusion

In conclusion, the TSOP39440 remote receiver is an ideal solution for remote control sensing applications due to its small size, low power consumption, long range, and reliable performance. This receiver is designed to detect infrared signals from a remote control and convert the signal into an electrical signal. It operates in two modes: the active mode and the standby mode. The TSOP39440 offers a great balance between performance and cost, making it an ideal choice for many remote sensing applications.

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