SI5338C-B05047-GM

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The SI5338C-B05047-GMis an advanced clock generator IC designed for application specific clocking management with a wide range of outputs, wide frequency range and low jitter. This IC utilizes both Replication Technique and multiplication PLL to generate clock signals. These features makes SI5338C-B05047-GM ideal for applications like switched-mode power supplies and high frequency processor core clock.

Overview

The SI5338C-B05047-GM is designed to meet many clocking requirements. It has a wide input/output frequency range from 0.2 to 810 MHz, excellent phase jitter of 0.6 psRMS, programmable frequency division from 1:8 to 1:256, frequency synchronization input with spread spectrum support, and an integrated phase-locked loop (PLL).

Application Specific

The SI5338C-B05047-GM is applicable for a variety of application specific use cases. For example, it can be used as a clock generator for programmable logic devices, digital signal processors, microcontroller-based systems, and clock systems with multiple synchronous paths. It can also be used as a timing generator for multiple processor synchronous clock networks, large ASICs/ASSPs, and high-performance general-purpose computers.

Working Principle

The SI5338C-B05047-GM combines an integrated PLL, Replication Technique, and multiplication PLL in order to generate clock signals. The integrated PLL contains an oscillator, frequency synthesizers, and logic to select, lock, and adjust frequency. The Replication Technique is used to define the relationship between the input signal and what is generated at the output port. The multiplication PLL provides the flexibility to increase the frequency range of the same input signal.

The Replication Technique is able to accurately manipulate the frequency of an input signal in order to generate a desired clock signal. The frequency can be adjusted from 1 to 256 times that of the original clock signal. The multiplication PLL is used to increase the frequency range from 0.2 to 810 MHz. The PLL also adds tuning flexibility for frequency precision requirements by adjusting the multiplier and the divider ratio.

Programming

The SI5338C-B05047-GM is fully programmable through a serial interface. This allows the user to access a variety of features including frequency selection, output voltage levels, frequency trimming, and synchronization options. The SI5338C-B05047-GM also supports various operating modes including manual, linear, dynamic, and preloaded operating modes.

Conclusion

The SI5338C-B05047-GM is an ideal clock generator IC designed application specific clocking management. It\'s small size, wide input/output frequency range, excellent phase jitter, programmable frequency division and synchronization options make it perfect for applications like switched-mode power supplies, high frequency processor core clock, and other clock systems with multiple synchronous paths.

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