SI5334A-B09052-GMR

Series:	*
Packaging:	Tape & Reel (TR)
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 Si5334A-B09052-GMR is a high performance oscillator module developed by Silicon Laboratories. It is intended for use in clock/timing applications requiring not only high frequency accuracy, but also high stability and low noise. The Si5334A-B09052-GMR provides a low jitter and low phase noise profile that is ideal for clock and timing requirements in applications such as telecommunications, data communications, networking, computing, embedded systems and automotive.

Application Field

The Si5334A-B09052-GMR is specifically designed for applications requiring a high-performance, low-jitter and low-noise oscillator in a small package. It is ideal for applications such as packet switching equipment, high-end routers, servers, high-end enclosures and other embedded systems. The Si5334A-B09052-GMR is an economical solution for applications where space is at a premium, yet where high performance and accuracy is still required. In addition, the Si5334A-B09052-GMR is ideal for applications that require high frequency accuracy and stability as well as low jitter and low phase noise oscillators. It is used in timing applications that demand high performance and minimal noise, such as high-end telecom systems, data communications systems, networking equipment, computers, embedded systems, and automotive electronics.

Features

The Si5334A-B09052-GMR boasts many features that make it an ideal choice for clock and timing applications demanding high performance and stability. It provides a low-jitter and low-noise profile of −176 dBc/Hz at 12 kHz offset, as well as a programmable output buffer impedance of 75 ohms or 50 ohms. This makes it well-suited for applications requiring impedance matching to an IC or a cable assembly. The Si5334A-B09052-GMR also offers a wide frequency range from 10MHz to 400MHz, selectable in 1 kHz resolution. This makes it suitable for applications such as 100Base-T Ethernet transceivers, and 802.11g/n wireless applications. Furthermore, the oscillator supports a range of packages, including 28-pin SSOP, 20-pin SOIC, and PQFN.

Working Principle

At the core of the Si5334A-B09052-GMR is a Temperature Compensated Crystal Oscillator (TCXO) that is temperature-compensated using a temperature-sensing crystal and a temperature-sensitive circuit. This temperature compensation enables the oscillator to provide highly accurate frequency accuracy and stability across a wide temperature range.The oscillator is controlled by a proprietary Symmetry oscillator circuit that provides a highly accurate and low-noise signal with a low jitter signal (< 600fs rms). The oscillator is powered by a 3.3V analog power supply and has a power consumption of 70 mW. The oscillator is further enhanced by the inclusion of a pin-programmed frequency adjustment feature. This feature allows for frequency adjustment over a ±30 ppm range, with an adjustment range of 1 kHz. This allows for fine adjustment of the oscillator to an external reference frequency.

Conclusion

The Si5334A-B09052-GMR is an ideal oscillator module for clock/timing applications requiring high performance and accuracy, while still providing low jitter and low phase noise. It is specifically designed to offer excellent stability and accuracy across a wide temperature range, as well as a wide frequency range and selectable output impedance. In addition, its pin-programmed frequency adjustment feature provides a high degree of accuracy and flexibility. Therefore, the Si5334A-B09052-GMR is an ideal choice for applications requiring a high-performance and accurate clock and timing solution in a small package.

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