SI5335B-B02438-GM

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The SI5335B-B02438-GM is a clock generator and phase-locked loop library device that offers high performance, low jitter, and flexibility in applications requiring fast switching and locking times. It’s suitable for many clock generation needs, such as frequency conversion, phase synchronization, and a range of frequency synthesis applications, including switching between frequencies, such as those used in clock recovery and clock synthesizers. Its best performance is typically seen in consumer and communication applications, especially in those using Pulse Width Modulated (PWM) signals.

The SI5335B-B02438-GM is an all-in-one component that contains a high-resolution PLL, VCO and a wide variety of clock outputs. Its output frequencies range from 5MHz to 680MHz, with a resolution of 0.001% over that range. The device also includes a wide range of features, such as automatic gain control, constant frequency output, very low jitter, adjustable spread spectrum frequencies, and an integrated loop filter. It supports numerous output formats, including LVDS, LVPECL, CML, and SMA.

The key feature of the SI5335B-B02438-GM is its low jitter, with <150fs of RMS jitter across its entire operating frequency range. It also provides a locking time of up to 20ms. Other features include spread spectrum and a 100mV output swing setting. In addition, it has a very wide operating temperature range from -40°C to +125°C.

The SI5335B-B02438-GM works by multiplying the reference frequency, at up to 680MHz, by a factor determined by the PLL and VCO. The output frequency (Fout) is determined by the ratio between the reference frequency (RefClk) and the programmed multiplier (M): Fout=RefClk*M. The PLL then locks the VCO and maintains the output frequency at the programmed Fout. The SI5335B-B02438-GM also adjusts the divider to compensate for any variations in the reference frequency. This ensures that the output frequency is maintained precisely and with a minimum of jitter.

The SI5335B-B02438-GM offers customers a range of performance benefits, particularly in terms of its low jitter, wide range of frequencies and wide temperature range. It is an ideal all-in-one solution for applications that require fast switching and locking times, such as those used in clock recovery and frequency synthesizers. This makes it very suitable for consumer and communication applications, especially those using PWM signals.

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