SI8710CD-B-IS

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Digital Isolators are interfaces that provide isolated in/out channels of digital signal with a level of isolation that meets or exceeds the standards of electrical insulation. The SI8710CD-B-IS, a high-performance level of isolator, offers an optimal combination of temperature, isolation, safety, and noise immunity performances for industrial automation. Key features of this type of isolators include its insensitivity to the input frequency, high-speed switching, and robust, part-to-part repeatability. The SI8710CD-B-IS is highly suitable for a variety of industrial, medical, and automotive applications.

Application Field

The SI8710CD-B-IS can be widely used in a variety of industrial automation applications. It provides reliable electrical insulation between controllers and field devices, and is effective for a wide range of peripherals such as keyboards, encoders, brushless motors, and I/O systems. Specifically, it offers an isolation barrier of 500V/V to reduce EMI/RFI, as well as bi-directional signal protection for communication lines. Additionally, it meets the requirements of RoHS directives which make it suitable for use in medical and automotive electronics.

The SI8710CD-B-IS also provides excellent performance in the areas of accuracy, resolution, and operational frequency. It allows for extremely precise signal transmission of up to 24 bits with up to 102400 cycles of acceleration. It delivers low latency speeds as well as noise-free operation due to its ADIN technology, which minimizes the effects of crosstalk, EMI, and power supply noise, making it suitable for a wide variety of high-performance applications.

Working Principle

The SI8710CD-B-IS digital isolator uses an active data isolation cell which is based on high-speed switching. The isolator consists of a core that is responsible for connecting the power supply and signal lines. It also includes two separate transformers, which are connected to each other and provide the necessary electrical isolation. The data is routed from one circuit to the other through the transformers.

The data and power supply are then isolated by the use of a high-speed switching mechanism. This mechanism functions by connecting and disconnecting the power and signal lines in response to an input command. The inputs and outputs are connected and disconnected so that data movement between the two circuits can occur while still providing the necessary isolation.

In order to ensure that the isolation barrier is maintained, the SI8710CD-B-IS also includes a number of additional components such as power supply filtering, EMI shielding, and transient protection systems. This ensures that the system operates on a clean and reliable power supply, and is protected from unexpected power transients and EMI disturbances.

Overall, the SI8710CD-B-IS isolator provides high-speed data transmission over a wide range of electrical signals, with excellent noise immunity and low power consumption. It offers reliable isolation between controllers and field devices, and meets the requirements of RoHS directives, making it an ideal choice for a variety of industrial, medical, and automotive applications.

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