SFH6747T

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Optoisolators are devices used in electronic systems to provide electrical isolation between two circuits. They are also known as optically-coupled isolators or optocouplers. One of the most popular and widely-used optoisolator types is the Logic Output type, which typically consists of a light source such as an LED and a photosensitive device. The SFH6747T is a high-speed optoisolator suited for dual optical channel applications and belonging to this Logic Output type. This article will discuss the application field of the SFH6747T and how it works.

Application field

The SFH6747T is a high-speed optoisolator featuring a dual optical channel that provides an effective way for isolating digital signals in various electronic systems. This logic optoisolator has a typical response time of 10ns and is suitable for various applications such as isolating signals in digital circuits, connecting microcontrollers to other external microcontrollers, and providing isolation from digital lines. It is also ideal for computer peripheral devices such as keyboards and displays, providing protection from electrical surges and eliminating the danger of ground loops. Aside from being used for electrical isolation applications, this optoisolator has been used in a variety of applications such as medical instrumentation, industrial equipment, and high-end connector systems.

Working Principle

The SFH6747T optoisolator is composed of a light source such as an LED and a photosensitive device. When the input voltage is applied to the LED, the infrared light is generated which is then detected by the photosensitive device. This causes the output voltage to be activated, which will be applied to the load. The dual optical channel provides an effective way for isolating digital signals, as it eliminates any potential differences between the two circuits while at the same time providing a secure connection. The optoisolator also allows for very reliable data transmission, as it has a strong output level which can withstand noise even in noisy environments.

The SFH6747T optoisolator is a high-speed device, with a typical response time of 10ns. Consequently, this makes it ideal for applications which require very fast signal processing, such as video capture and switching systems. Furthermore, the optoisolator features a dual-way voltage isolation, with a minimum isolation voltage of 5000 Vrms and a surge voltage of 6500Vrms. This high-level of isolation helps ensure that the two circuits are properly isolated, thus preventing any potential interference.

Conclusion

The SFH6747T optoisolator is a Logic Output type device designed to provide effective electrical isolation between two circuits. With its dual optical channels and very fast response time, the SFH6747T makes it an ideal choice for a variety of applications such as digital signal isolation, computer peripheral protection, and high-end connector systems. Its high-level of isolation and surge voltage also ensure that both circuits are properly isolated, thus preventing any potential interference.

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