SI5335B-B09091-GM

Series:	*
Packaging:	Tray
Part Status:	Active
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-QFN (4x4)

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Introduction

The SI5335B-B09091-GM is a clock generator and phase locked loop (PLL) frequency synthesizer available from Silicon Laboratories. It is a high-performance, multi-purpose clock generator and frequency synthesis solution that provides a complete clock system solution for many of today’s systems and technologies. In this article, we will look at the application field and working principle of the SI5335B-B09091-GM.

Application Field

The SI5335B-B09091-GM clock generator and PLL frequency synthesizer offers a wide range of application fields, including:

• Gigabit Ethernet Transceivers
• Video Imaging
• High-Speed Serial Interfaces
• Processor Clocks
• Mobile Communications
• PCI Express Interfaces
• GPS/GLONASS Navigation Systems

It is also suitable for many critical applications that require high accuracy and stability. These applications include wireless and wired communication base stations, satellite payloads, optical networks, high performance computing, FPGA and ASICs, test equipment and instrumentation, automotive, aircraft and spacecraft systems, and many other applications.

Working Principle

The SI5335B-B09091-GM clock generator and PLL frequency synthesizer is based on Silicon Laboratories’ patented fifth-generation voltage-controlled oscillator (VCO) technology. The device provides a wide tuning range, excellent control accuracy, and excellent phase noise performance. In addition to the VCO, the SI5335B-B09091-GM has four differential output clocks, eight single-ended outputs, eight frequency select pins, a synchronization pin and three digital inputs, allowing system designers to utilize the clock generator to generate multiple independent frequencies, as well as provide system-level synchronization.The SI5335B-B09091-GM is designed to provide an extremely-low-phase-noise clock, while meeting a wide range of application performance needs. It utilizes a digital-controlled loop (DCL) design, which dramatically reduces the jitter of clocks generated by the PLL compared to traditional analog designs. The SI5335B-B09091-GM also features an inclusive automatic-calibration function that ensures proper operation over the full range of temperature and process conditions. This auto-calibration requires only two external resistors and a reference clock as calibration inputs, which significantly reduces the amount of engineering effort required from users.

Conclusion

The SI5335B-B09091-GM clock generator and PLL frequency synthesizer offers a mix of excellent performance and flexibility, making it suitable for a wide range of applications and environments. Its advanced voltage-controlled oscillator technology and auto-calibration features make it an ideal fit for many critical applications, while its digital control architecture ensures excellent phase noise performance and jitter reduction.

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