IL712-2

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Overview of Digital Isolators

Digital isolators are a type of electrical protection device that provides galvanic isolation between high-voltage signal lines and low-voltage control lines. Isolators also provide signal level shifting and can be used to isolate high-frequency signals. Digital isolators enable high-speed data transfers with minimal signal distortion.

IL712-2 Application Field and Working Principle

IL712-2 is an integrated digital isolator that provides galvanic isolation for electronic systems. It uses a digital signal processing technique to achieve high speed and high accuracy signal transmission between two circuits. The IL712-2 provides 4 independent channels, with 100 Mbps signals. It is suitable for systems with data rates up to 100 Mbps.

The working principle of the IL712-2 digital isolator is based on an integrated transformer signal transformer circuit. This circuit is composed of two signal-transforming units. The first signal-transforming unit converts the digital signals on the transmitter circuit into an isolated electromagnetic signal using a transformer. The second unit then converts the isolated signal back into the digital signal for the receiver circuit. The electromagnetic isolation provided by the isolated transformer prevents interference between the transmitter and receiver circuits.

The IL712-2 is used in a wide range of applications, including in industrial and automotive control systems, where it is used to protect and isolate motor controllers, instrumentation systems, and other electronic devices from interference. Additionally, it is used to isolate and protect sensitive analog signals, such as those used in medical instruments and medical imaging systems. Moreover, the device is capable of achieving compliance with higher safety standards, such as CE and UL 61800-5-1, making it suitable for use in a variety of safety-critical applications.

The IL712-2 digital isolator has a low power consumption and is designed to operate over an extended temperature range. Additionally, it is designed with an EMI tolerant input/output stage, allowing for higher immunity against external electromagnetic interference. Furthermore, the device is capable of operating without any external components, making it a cost-effective solution for many applications.

In summary, the IL712-2 digital isolator is a compact, reliable, and cost-effective solution for providing galvanic isolation and signal processing between two electronic circuits. It has a wide range of applications in industrial, automotive, and medical systems, and is capable of achieving electrical safety compliance with UL and CE standards. Additionally, it has a low power consumption, and is designed to provide a high level of immunity against electromagnetic interference.

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