Differential - Input:Output:	No/No
Base Part Number:	SI5351
Supplier Device Package:	20-QFN (4x4)
Package / Case:	20-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	1.71 V ~ 3.6 V
Divider/Multiplier:	Yes/No
Frequency - Max:	200MHz
Series:	MultiSynth™
Ratio - Input:Output:	1:8
Number of Circuits:	1
Output:	LVCMOS
Input:	Crystal
PLL:	Yes
Type:	Clock Generator
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The SI5351B-A-GMR is a highly integrated clock generator module. It comes with a low jitter, low power output of 25MHz to 100MHz. It is an ideal low cost solution for timing needs in various markets. The module is also well suited for applications in the frequencies up to 4.5GHz.

Application Field

The SI5351B-A-GMR is an ideal solution for timing solutions in low cost markets. It is designed for applications ranging from 25MHz up to 100MHz with low jitter and low power output. Also, with its programming logic, the clock generator can be used for different types of applications, such as telecommunications, medical, broadcast, surveillance, and other applications.

Working Principle

The SI5351B-A-GMR employs a cascaded PLL architecture to generate the output frequency. This means that the output frequencies are generated through a series of loops. The first loop is the input reference loop, where the reference clock is used as the reference for the output frequencies. The second loop is the loop filter loop, where the loop filter determines the bandwidth of the loop. The third loop is the VCO loop, where the VCO (Voltage Controlled Oscillator) is used to generate the output frequency. Lastly, the fourth loop is the output buffer loop, where the output buffer is used to convert the output frequency into a usable signal.

Conclusion

The SI5351B-A-GMR is a highly integrated and programmable clock generator module. It is a low cost, low jitter and low power output module, ideal for timing requirements for many different types of applications. With its cascaded PLL architecture, the SI5351B-A-GMR can be used for different applications ranging from 25MHz up to 100MHz with low jitter and low power output. Lastly, the output buffer loop is used to convert the output frequency into a usable signal.

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