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Optoisolators - Logic Output

Optoisolators are isolation components which isolate electrical signals within a circuit, form noise or interference and also protect sensitive circuits and components. HCPL-2202-000E is an optoisolator with a logic output, providing isolation between logic gate and other parts of a circuit.

HCPL-2202-000E Application Field

The typical application fields of HCPL-2202-000E include data acquisition systems, industrial controllers, communication systems, alarm and security systems, and automotive electronics. Besides, it also can be used in industrial automation equipment, motor control systems and other applications.

HCPL-2202-000E Working Principle

HCPL-2202-000E is a type of switchable integrated optocoupler or optoisolator, enabling a switchable signal to be transmitted from one side of an electrically isolated boundary to another. The HCPL-2202-000E internally contains two light-emitting diodes; one of them acts as the light source and the other as the photodetector. The light source is driven by the logic output pulse from the separate control logic gate or microcontroller. The light emitted by the LED will be detected by the photodetector to be activated, and it will produce a voltage to the logic circuit to indicate the signal has been changed. Thus, the logic pulse can be safely and effectively transmitted through the isolated boundary to the output side.

Advantages of HCPL-2202-000E

The main advantages of HCPL-2202-000E are that it is capable of providing very high isolation voltage and it has very low power consumption. Since it does not need extra power supply, the overall circuit system cost and complexity can be greatly reduced. Furthermore, since optoisolators are immune to transient surges and crosstalk in noisy environment, and they have high repetition rate, HCPL-2202-000E is highly suitable for those applications which demand reliable performance with high accuracy.

Conclusion

HCPL-2202-000E is an excellent choice of optoisolator for those applications which require reliable performance and high accuracy. As it needs no additional power supply and can provide very high isolation voltage, it can be greatly cost effective for data acquisition systems, industrial controllers, communication systems, alarm and security systems, and automotive electronics.

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