IL711-2

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Digital isolators are a type of electronic component used in certain applications that require a high level of electrical isolation between two circuits. The IL711-2 is one such device designed for digital isolator applications. In this article, we will discuss the application field and working principle of the IL711-2.

Application Field of IL711-2

The IL711-2 is a silicon-based optically isolated digital device capable of withstanding up to 5kV of electrical isolation. It can be used in harsh environment requirements, including those found in industrial automation, aerospace, and automotive applications. It can be used to isolate data signals, peripheral devices, and other control circuits from the main power supply or microprocessor.

The IL711-2 is ideal for applications such as communication links, isolated power supplies, data converters, isolated controllers, and digital signal conditioners. It is also suitable for use in motor control and industrial electronics applications.

In addition to these, the IL711-2 can also be used in medical and biomedical instrumentation applications, including cardiac monitoring and imaging systems.

Working Principle of IL711-2

The IL711-2 works on the principle of optical isolation. The device consists of an LED driving circuitry and optically coupled receiver on its two sides. The LED emits light pulses when triggered by its control signal while the receiving side detects the optical pulses and generates electrical pulses in response. Since the LED and sensor are not electrically connected, current or signal interference between the two components is impossible.

This type of digital isolation eliminates the possibility of electric shock hazards, corrosion and noise coupling, which can occur in conventional electrical circuit connections. It also allows the user to safely control high voltage and high power devices from a low voltage/low power input.

The IL711-2 also offers excellent transient protection, providing protection up to 8kV HBM,500W surge and up to 1kVDC of continuous isolation voltage. This makes the device ideal for added protection in safety-critical applications.

Conclusion

The IL711-2 is a silicon-based optically isolated digital device suitable for use in a variety of application fields. It can be used to protect circuits and communications links from electrical interference, provide protection up to 8kV HBM,500W surge and 1kVDC of continuous isolation voltage, and can be used in harsh environment applications. Its working principle of optical isolation gives it many advantages compared to conventional electrical connections.

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