HCPL-2611#320

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Introduction to HCPL-2611#320 Optoisolators - Logic Output

Optoisolators, also known as optocouplers, are a type of electronic component designed to provide galvanic isolation between two circuits, typically an input and output. They are widely used in industrial, automotive and consumer applications, as they can provide a high degree of electrical isolation and improve noise immunity by increasing the capacitance between the input and output. The HCPL-2611#320 is a one-channel optocoupler from Texas Instruments with a logic output type. In this article, we will look at the application fields, features and working principle of the HCPL-2611#320.

Applications of HCPL-2611#320

The HCPL-2611#320 has many potential applications, due to its low propagation delay, high noise immunity and high voltage transient immunity. In particular, it can be used in industrial systems that require high isolation, such as medical systems or industrial automation. It can also be used in consumer applications, such as switching power supplies and LED drivers. Furthermore, the HCPL-2611#320 is suitable for the automotive industry, as it is capable of withstanding temperature swings from -40 °C to 110 °C. Finally, it can also be used in general purpose logic isolation circuits, allowing the user to access logic signals from a variety of sources without the need for complex grounding circuits.

Features of HCPL-2611#320

The HCPL-2611#320 features an integrated photo detector with an optically coupled NPN output transistor. It has a peak off-state output voltage of 5V, a peak on-state output current of 0.08mA and a maximum output current of 4.5mA. It also features an isolated power supply that can range from 4.2V to 26.4V. Finally, the HCPL-2611#320 has a wide input voltage range of 4.2V to 26.4V, and an isolation voltage of up to 2500VRMS.

Working Principle of HCPL-2611#320

The HCPL-2611#320 works by using an optically coupled NPN output transistor. The LED is used as an emitter, and its light is detected by the photo detector. When the input signal is a logic high, the LED will turn on and the photo detector will detect it. This, in turn, will cause the output transistor to turn on, and this will drive the output logic high. Conversely, when the input signal is a logic low, the LED will be off and the photo detector will not detect it. This will cause the output transistor to turn off, and this will drive the output logic low.

Conclusion

The HCPL-2611#320 is a one-channel optocoupler with a logic output type that is suitable for a variety of applications in the industrial, automotive and consumer industries. It features low propagation delay, high noise immunity and high voltage transient immunity. It also works by using an optically coupled NPN output transistor, which is activated when the input signal is a logic high and deactivated when the input signal is a logic low.

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