SI5020-B-GM

Series:	SiPHY™, DSPLL®
Packaging:	Tube
Part Status:	Obsolete
PLL:	Yes
Main Purpose:	Ethernet, SONET/SDH, ATM applications
Input:	Clock
Output:	CML
Number of Circuits:	1
Ratio - Input:Output:	1:2
Differential - Input:Output:	Yes/Yes
Frequency - Max:	2.7GHz
Voltage - Supply:	2.375 V ~ 2.625 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-VFQFN Exposed Pad
Supplier Device Package:	20-QFN (4x4)
Base Part Number:	SI5020

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Introduction

SI5020-B-GM is a Clock/Timing-Application Specific product from Silicon Labs. This product is a highly integrated, GPS-based clock system with a built-in 50-ohm impedance-matched output for low-power timing applications. This product is built with a low phase noise, ultra-low voltage, low-power and high integration. The product’s low-power, low-jitter, low-cost design is ideal for many applications, such as timing networks, base-stations, medical imaging and networking.

Features

The SI5020-B-GM includes a wide range of features and parameters to meet the needs of various applications. It offers low jitter, low power consumption and a high degree of accuracy. The product has an adjustable output voltage range of 1.75V to 3.3V for improved power efficiency. It also supports multiple synchronization sources, such as GPS, GNSS, IEEE-1588, and even direct usage of signal time stamps. It also supports an RF front end, which enables the configuration of clocks and timing systems.The product is based on the Si5340, which is an extensively integrated single-chip clock generator IC. This IC offers an advanced programmable architecture that is able to meet low power/low jitter clock needs. It features low jitter (10-40ps), integrated GPS (Global Positioning System) receiver, Clock/Data PLLs with low band-width and configurable input filter, multiple synchronization sources (CEntiian NAS, Syn802.11, IEEE-1588, SNTP and the SiTime Internal Clock), advanced timers and PLLs for more precise control over clock frequency and performance.In addition, the product also comes with a few other features such as built-in error correction, autonomous operation, wide clock range support, programmable threshold voltages and selectable reference and output types for applications. The SI5020-B-GM also offers a wide range of output configurations, making it an ideal solution for many different applications.

Applications

The SI5020-B-GM Clock/Timing-Application Specific product is ideal for a wide range of clock/timing applications in medical and industrial markets. These markets include timing networks, base-stations, medical imaging, and networking. Timing networks can benefit from the high-precision time synchronization of the SI5020-B-GM. This product is ideal for use with base-stations as it supports a wide range of synchronization sources and clock ranges. Medical imaging systems can benefit from the advanced timing features of the SI5020-B-GM, as it supports low power and low jitter clock operations. Networks can use the SI5020-B-GM for efficient and accurate timing functions. In addition, the product also comes with a variety of output configurations and the Si5340 IC for efficient errors correction and autonomous operation.

Working Principle

The SI5020-B-GM Clock/Timing-Application Specific device works by using the integrated Si5340 IC and its range of customizable features to perform clock, timing and synchronization operations. The Si5340 uses a low-power architecture to provide a low jitter, low-power and high accuracy source. This includes a programmable logic block, a clock conditioner, a clock manager and an internal oscillator, all working together to provide an efficient clock and timing source. The Si5340 also comes with an integrated GPS receiver for synchronization and an RF front-end for configuring clock and timing systems effectively. This device also uses an advanced PLL architecture to provide an even greater level of accuracy for frequency synchronization. The SI5020-B-GM includes a low phase noise, ultra-low voltage, low-power and high integration and adjustable output voltage range from 1.75V to 3.3V. It is also programmable and compatible with multiple synchronization sources such as GPS, GNSS, IEEE-1588, and even direct usage of signal time stamps.

Conclusion

The SI5020-B-GM Clock/Timing-Application Specific product from Silicon Labs is a highly integrated, GPS-based low power timing system with a built-in 50-ohm impedance-matched output. It offers a wide range of features and parameters to meet the needs of various clock and timing applications. It is based on the Si5340 IC and offers advanced programmable architecture and a wide range of outputs for efficient error correction and frequency synchronization. It can be used for a variety of applications such as timing networks, base-stations, medical imaging and networking.

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