SI5355A-B00055-GMR

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The SI5355A-B00055-GMR is a clock generator that comes with a frequency synthesizer and is used in applications that require precision signal and timing sources. Its features make it an ideal choice for a wide array of timing applications such as network synchronization, test and measurement, communication infrastructure, and medical equipment. This technical guide will provide an overview of the SI5355A-B00055-GMR application field and working principle.

Applications

The SI5355A-B00055-GMR is designed to provide end users with a cost-effective and reliable solution for demanding clock and timing applications. It is suitable for a wide range of applications such as wireless and wireless-like interfaces, broadcast and professional audio, and video, as well as data communications systems. Additionally, the combination of output frequencies, differential and variable clock mode flexibility, and easy programming make it an ideal choice for a variety of protocols, including Ethernet, Clock/Data Recovery (CDR) applications, and cellular base station radios.

The SI5355A-B00055-GMR is also ideal for applications that require low jitter and phase noise performance. It offers integrated PLL frequencies up to 800MHz and tight phase noise performance of -121dBc/Hz at offset of 500kHz, making it ideal for fiber optics, wireless communication, and high-speed data transmission. It can also be used in military or aerospace applications that require tight timing tolerances.

Features

The SI5355A-B00055-GMR offers a wide range of features that make it suitable for a variety of applications. It features an integrated differential output that can generate signals up to 800MHz with an output frequency resolution of 100ppb. It has an easy programming interface that makes it easy to configure for different output frequencies and modes. Additionally, it includes an integrated loop bandwidth control that helps optimize phase noise and jitter performance.

The SI5355A-B00055-GMR is also equipped with a wide operating range from -40°C to 85°C and a power supply range from 1.8V to 3.3V. Furthermore, it is packaged in an enchanced small surface mount package that provides excellent thermal performance.

Working Principle

The SI5355A-B00055-GMR is based on PLL (phase locked loop) and crystal oscillator output principles. The PLL is designed to lock in the phase difference between two input clocks, while the crystal oscillator is used to generate precise and stable clock signals. The internal PLL circuit of the SI5355A-B00055-GMR is designed to ensure precise locking while maintaining a low jitter level.

The SI5355A-B00055-GMR is designed to generate precise high-speed output clock signals with the help of an integrated PLL. The PLL is connected to the crystal oscillator, which is used to generate precise and stable output clock signals. The Phase Frequency Detector (PFD) monitors the phase difference between the input UL and the feedback signal from the Charge Pump (CP), and adjusts the value of the loop filter. The loop filter and the VCO together adjust the frequency of the system in order to lock the PLL loop and generate precise and stable output clock signals.

The SI5355A-B00055-GMR also utilizes an integrated differential output driver, which provides a signal swing up to 350mVpp with a high output impedance. This allows it to be used with analog and digital signals while ensuring a high performance signal output that effectively minimizes signal distortion.

Conclusion

The SI5355A-B00055-GMR is a sophisticated and cost-effective clock generator ideal for a wide variety of precision timing applications. Its features make it an ideal choice for applications that require precise signal and timing sources, as well as low jitter and phase noise performance. It comes with a frequency synthesizer and an integrated differential output driver, providing end users with a reliable, cost-effective solution for their timing needs.

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