SI5338A-B01239-GMR

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The SI5338A-B01239-GMR is a high performance Any-Frequency Dividing Network (FDN), designed for clock and timing applications. It is a device that is designed to provide frequency conversion through the application of binary division. The FDN acts like a bridge between various types of frequency synthesisers, offering a cost-effective and fast solution for high density and power applications. This article examines the application field and working principle of this device in more detail.

Application Field of SI5338A-B01239-GMR

SI5338A-B01239-GMR is suitable for a wide range of high performance clock and timing applications including network infrastructure and synchronization, battery powered systems, test & measurement, embedded systems, and industrial automation. The device is optimized for clock and timing applications requiring multiple, ultralow-jitter frequency synthesizers for both low-current and high-current applications.

The device supports low-jitter outputs with frequencies up to 600 MHz, ideal for clock and data recovery, network jitter clock synthesis, sonet/sdh timing, and other high-speed, low-jitter frequency synthesis applications.

SI5338A-B01239-GMR provides a cost-effective alternative to discrete designs in applications such as video clock generators, video jitter attenuators, and clock and data recovery. The device also offers the flexibility of integrating multiple frequencies in a variety of configurations.

Working Principle of SI5338A-B01239-GMR

The SI5338A-B01239-GMR employs a binary divider chain to produce multiple low jitter outputs from a single synthesizer. The frequency of each output is determined by the programmed divisor. The device uses a single reference oscillator to synthesize output frequencies from 1 KHz to 600 MHz.

The device is based on a master oscillator (MOSC) and a combination of divide-by-2 and divide-by-N blocks. The MOSC is shared by all the outputs, and can be programmed to generate a range of frequencies, from 1 kHz to 600 MHz. The Divide-by-N block allows the user to define divisors up to 240, while the Divide-by-2 block provides the additional flexibility of supporting odd and even divisors.

The output of the MOSC is divided by two and distributed to two areas, the Divide-by-2 block and the Divide-by-N block. The Divide-by-2 block takes care of the even divisors, and the Divide-by-N block takes care of the odd divisors. The outputs of both blocks are then combined and distributed to the desired output frequencies.

The device can also be used to generate various types of clocks like differential clock, high voltage clock and bipolar clock outputs. The device operates in a single-ended and differential mode, allowing for programmable skew and allowing for optimized designs for specific application requirements.

Conclusion

The SI5338A-B01239-GMR allows clock and timing designers to cost-effectively integrate multiple frequencies in a variety of configurations. This device offers an industry-leading combination of features, performance and low jitter, making it an ideal choice for high performance clock and timing applications. It allows for extremely flexible solutions, with low jitter and an integrated frequency synthesizer, making it an ideal device for high performance clock and timing applications.

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