SI5335D-B02230-GMR

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The SI5335D-B02230-GMR is an advanced clock generator, capable of producing a wide range of frequency outputs. It is a highly integrated device which includes a low jitter PLL, that accept one crystal oscillator as an input reference and has the ability to output 3 spread spectrum clocks and 4 fixed clocks.

The main application of SI5335D-B02230-GMR is for communications and computing applications, where outstanding static and dynamic clock performance is required, while also meeting the requirements of low noise and low power consumption. It also meets stringent EMI requirements and its diverse outputs ensure fully parallel compatibility with a wide variety of modern digital designs.

Operating Principles:

The SI5335D-B02230-GMR operates on the principle of fractional-N synthesis. It takes one crystal oscillator as an input reference, and then the oscillator is multiplied by a programmable Feedback Frequency (FF) value to get the desired output frequency. The benefit of this kind of PLL is that it has a virtually instantaneous lock on the output frequency which is close to the desired frequency, and also a great accuracy in frequency generation.

The stability of the output frequency is due to the combination of two control loops, a charge-pump loop and an external loop filter. The Charge-pump loop is an inner or a closed loop that is used to reduce jitter on reference clock. The outer loop is an external loop filter, which is used to capture the wideband noise. This loop filter is designed to provide optimum performance, by giving slow transient response.

Functionality:

The SI5335D-B02230-GMR is a highly integrated clock generator and can be used to output a wide range of frequencies. It can output spread-spectrum clocks and fixed frequency clocks, which are both useful for communications and computing applications. The spread-spectrum clocks are useful for reducing EMI radiation of the system, while the fixed frequency clocks help to provide stable and accurate clock signal for the system and operate in the frequency range of 0 to 100 MHz.

The SI5335D-B02230-GMR includes many features like low jitter PLL, which helps to reduce any jitter on the output clocks. It also includes an accurate frequency generator, which helps to generate the desired frequencies with a high accuracy, thus allowing the system to run more reliably and accurately. The device also has a programmable slew rate that helps to reduce EMI radiation when operating at high frequencies.

Conclusion:

The SI5335D-B02230-GMR is an advanced clock generator, which combines a low jitter PLL, capable of producing a wide range of frequency outputs with low EMI radiation, high accuracy and excellent stability. It is an ideal device for applications in communications and computing, where high stability and accuracy are of critical importance.

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