EL816(S1)(TA)

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Optoisolators are electronic devices that use light to electrically isolate two connected units. The EL816 series, also known by the product name Optocoupler, is a type of 4 component for bidirectional transmission, transistor photovoltaic output, optically isolated from the input. It is capable of high transmission speed, low power consumption and wide temperature range. This device features both a photovoltaic element and a transistor element.

Application fields

The EL816 series is designed to isolate signals in high speed communication systems, such as industrial control systems, power supplies, and automation systems. It is used to ensure signal accuracy and integrity when connecting with system components, while providing reliable isolation between units.

The EL816 series can be used in a variety of applications, including high speed differential data communications, voltage clamping, and ground loop isolation. It is suitable for applications where data rates range up to 75Mbit/s. The EL816 utilizes a dual-channel architecture for its dual-channel computing applications. In addition, it has advantages such as low power consumption and high temperature resistance.

Working Principle

The EL816 series consists of an input interface and an output interface, which are communicating via an optoelectric element. The optoelectric element serves as an electrical barrier between the input and output, thus providing reliable opto-isolation.

The device works by controlling the output voltage and current, in both forward and reverse direction, through a light-sensitive feedback circuit. The signals from the input interface are received by the photovoltaic element and then converted to electrical energy. This energy is then used to control the output voltage and current of the transistor element. The output of the transistor element is then sustained via a feedback circuit.

The optoelectric element also provides additional protection against potential interference from external sources, such as electrostatic discharge or external electromagnetic fields. This is a major advantage of the EL816 series.

Conclusion

The EL816 series is an optoisolator composed of a photovoltaic element and a transistor element, providing reliable data and signal isolation for high speed communication systems. Its wide operating temperature range, high transmission speed, and low power consumption make it suitable for a range of applications, from voltage clamping and ground loop isolation to differential data communication and dual-channel computing. Additionally, its light-sensitive feedback circuit provides enhanced protection against EMF and ESD interference.

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