SI5394D-A-GM

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers are one of the most important components for digital circuits. These components provide the exact and precise timing for synchronization and other operations. The SI5394D-A-GM is a frequency synthesizer designed to deliver high-accuracy and low-noise digital clock signals. It is optimized to meet the advanced needs of the computing, consumer, communications, and industrial markets.

The SI5394D-A-GM has a variety of features that make it an ideal solution for clock generation and digital signal management. It has a robust frequency synthesizer circuit with digital frequency programming, which allows it to generate precise output frequencies with a low phase noise and jitter. It also has advanced clock compensation and synchronization features, support for multiple clock domains, and a feature-rich SPI interface. All these features make the SI5394D-A-GM a versatile and valuable clock generation solution.

Application Field

The SI5394D-A-GM is a highly integrated and cost-effective frequency synthesizer that is ideal for use in a variety of applications, including dual-wire clocking for graphics cards, networking, backplane clocking, computer information systems, digital storage area networks, and industrial automation. It is also suitable for wireless and wired communications applications, such as Wi-Fi, Ethernet, and PoE, where it can provide precise timing signals with low phase noise.

Working Principle

The SI5394D-A-GM frequency synthesizer operates on the principle of fractional-N frequency synthesis. It uses a digital PLL (Phase-Locked Loop) circuit that intelligently controls multiple digital dividers to generate precise output frequencies that are a fraction of a single reference frequency. The resulting output frequencies are generated without added jitter and have low phase noise. With the SI5394D-A-GM, the user can program frequency offset, clock compensation, and both hardware and software clock synchronization.

In addition to its frequency synthesis capabilities, the SI5394D-A-GM has a feature-rich SPI interface for flexibility and ease of use. The SPI interface allows the user to access clock frequency offset, compensation and synchronization, enabling both hardware and software clock management. The SI5394D-A-GM also has a wide input voltage range and can handle up to five supply voltages.

Conclusion

The SI5394D-A-GM is a robust frequency synthesizer that provides precise and low noise digital clock signals for a wide range of applications. It is equipped with a feature-rich SPI interface, clock compensation and synchronization features, and a versatile frequency programming function, making it an ideal choice for a variety of modern digital applications.

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