SI5335D-B08057-GMR

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The SI5335D-B08057-GMR is a multi-output clock generator designed to satisfy the needs of a variety of applictaions. It combines a wide voltage range of 0.9V to 3.3V, low jitter and low phase noise performance with a variety of output frequencies and fractional-N frequency synthesis technologies to servce a wide range of high speed, high performance designs.

Applications

SI5335D-B08057-GMR is used for applications such as consumer electronics, telecom and datacom, servers, storage and networking application, TEST and measurement, medical equipment and instrumentation, broadcast equipment, Alarm and security and more. Some common applications include clock and data recovery in data-signal transmission and reception, clock synchronization, clock/data distribution circuits, clock generation and PLL synthesizers.

Overview

The SI5335D-B08057-GMR features a multi-output clock generator designed to minimize jitter, reduce system cost and provide the best possible timing solutions. It\'s extremely flexible and capable of generating up to nine low-jitter clock output frequencies with a single external reference clock. It has an integrated Voltage Controlled Oscillator (VCO) with a single active loop that is ideal for multiple closed-loop applications. The device contains two Spread-Spectrum (SS) generators which can be used for both frequency and jitter control. It also supports frequency synchronization enabling the device to synchronize to an external reference.

Working Principle

The SI5335D-B08057-GMR \'s main working principle involves the use of a PLL. A phase-locked loop (PLL) is an electronic circuit, which consists of a voltage controlled oscillator (VCO), phase detector (PD), and Charge-pump (CP) that allow the frequency of the VCO to follow the frequency of an input signal. It enables the device to create multiple output frequencies with a single reference clock.

The PD senses the phase difference between the reference and the feedback signals, and then sends a signal to the CP and the VCO. The CP then generates a signal that alters the frequency of the VCO, and through the feedback signal, the VCO follows the reference. This ensures that the output frequencies of the internal PLL are synchronized with the external reference clock, resulting in a precise output clock signal with low jitter.

Conclusion

The SI5335D-B08057-GMR is an advanced multi-output clock generator designed for a variety of applications. It offers low-jitter, low-phase noise performance and fractional-N frequency synthesis technologies. It utilizes a PLL to create multiple output frequencies with a single reference clock, allowing it to be used for clock and data recovery, clock synchronization, and clock generation.

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