OPI125TX

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Optoisolators are widely used in a variety of applications because they can provide electrical isolation between different circuits while allowing signals below and above a certain threshold to be transmitted over long distances. The OPI125TX is an optoisolator that belongs to the Logic Output optoisolators, which work by providing electrical isolation using optically coupled inputs and outputs. In this article, we will look at the application field and working principle of the OPI125TX.

Application Field of the OPI125TX

The OPI125TX is commonly used in industrial automation and voltage monitoring applications for connecting two isolated circuits. It can be used for applications where electrical isolation is highly desirable, such as controlling high voltage components, or for applications where signal transmission over long distances is required. Other applications include electrical isolation for data communication between different systems or remote monitoring of power supply levels. The OPI125TX also provides reliable protection against electrical noise, and can be used to couple data signals between different circuits.

Working Principle of the OPI125TX

The OPI125TX is an optoisolator that uses optical coupling to achieve reliable electrical isolation between two circuits. The OPI125TX consists of a light-emitting diode (LED) which is optically coupled to a phototransistor integrated circuit (PIC). When the PIC receives light energy from the LED, it generates a current flow to the output. The LED and PIC are electronically isolated by the optoisolator, which ensures that the current flow is not affected by changes in the electrical voltage in one circuit. This allows for reliable signal transmission over long distances, as well as electrical isolation between different circuits.

The OPI125TX is designed with a built-in current-limiting circuit that protects the LED from additional electrical current. The current limit is set to approximately 0.5 A. The OPI125TX also has an integrated power supply amplifier, which ensures that the operating voltage of the LED and PIC are within the rated operating range. The operating voltage range of the OPI125TX is from 6V to 24V.

Conclusion

The OPI125TX is an optoisolator that belongs to the Logic Output optoisolators. It is commonly used for applications where electrical isolation is highly desirable, permits signal transmission over long distances and offers reliable protection against electrical noise. The OPI125TX works by using optical coupling to provide electrical isolation between two circuits. It has an integrated current-limiting circuit and power supply amplifier, and the operating voltage range is between 6V and 24V.

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