SI5335A-B07237-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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The SI5335A-B07237-GMR is a high-performance, multi-output clock generator composed of a fractional-N PLL, a PLL divider, and a bank of clock drivers. It is a part of the Silicon Labs Clock/Timing family and is ideal for applications including Ultra-Low Jitter (jitter <200 fs RMS), oscillators providing multiple timing independent outputs, Asynchronous clock recovery and data retiming, crystal-less designs and more.The SI5335A-B07237-GMR comes with a number of features which should be taken in consideration when searching for the right clock generator. These features include an internal phase-locked loop (PLL) with a wide frequency range, a low phase noise VCO, an easy reference & output out of lock indicator, programmable control and status output, and a wide range of output frequency synthesis options. Furthermore, the SI5335A-B07237-GMR also provides two low-skew differential outputs.The SI5335A-B07237-GMR’s functionality is based on a PLL, which consists of a phase detector and a voltage controlled oscillator (VCO). The phase detector is used to compare the input and output phase transition, such as a reference frequency or a feedback divider. The phase detector then generates an error signal which is used to control the VCO. The VCO in turn produces a signal with a frequency that corresponds with the error signal from the phase detector, thus adjusting the output frequency to the input frequency. This error signal serves as the control circuit of the PLL, allowing the frequency to be adjusted in order to achieve a desired input/output frequency ratio.The SI5335A-B07237-GMR also includes a bank of low-skew and high-speed clock drivers. The drivers are used to generate and transmit the output clock signals. They are able to generate clocks up to 160.00MHz with a jitter performance as low as 200fs. In addition, the SI5335A-B07237-GMR also has an integrated digital phase-locked loop (DPLL) which allows multiple, independent timing outputs to be generated from a single source. The DPLL provides the ability to generate multiple synchronized outputs with an accuracy of 5ps. This feature allows for the remote synchronization of multiple devices, such as digital signal processors, servers, data converters, and FPGAs. Finally, the SI5335A-B07237-GMR is capable of programmable spread-spectrum output modulation. Spread-spectrum modulation is used to reduce Electromagnetic Interference (EMI) and EMI/RFI susceptibility. The strength of the modulation is adjustable by the user and allows for better signal integrity and reduced system power consumption.Overall, the SI5335A-B07237-GMR is an ideal PLL solution for clock generation applications such as Ultra-Low Jitter oscillators, Asynchronous Clock Recovery and Data Retiming, crystal-less designs, and more. The wide set of features and programmable options make the SI5335A-B07237-GMR an excellent choice for any clock generator application.

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