SI5335D-B04218-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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SI5335D-B04218-GMR Application Field and Working Principle

The SI5335D-B04218-GMR is a clock generator from Silicon Labs that is designed to provide reduced jitter, low power, and wide frequency ranges. This device can be used in applications such as test/measurement, telecom, computing, and networking, as well as in many other fields where time-critical applications must be realized within a wide output frequency range and low power requirements.The SI5335D-B04218-GMR features 28 outputs with a wide frequency range of 2 KHz to 810 MHz, with low jitter of 0.2 ps (typical) integrated SoC (System-on-Chip) technology. The device employs a high performance PLL-based frequency synthesizer along with a wide range of output buffer designs to help minimize the jitter that otherwise would be caused by the transmitting media.This device can generate clocks from its internal oscillator, with the potential for over 150 programmable frequencies from a single device to provide additional flexibility. The SI5335D-B04218-GMR also supports output-to-output skew reduction and phase shift capability, which can help reduce the clock jitter in the overall system.The SI5335D-B04218-GMR works by taking an input frequency and using a phase-locked loop (PLL) to generate its outputs with a high precision frequency based on its internal references. A PLL is a feedback circuit composed of an oscillator, a phase detector, a filter, and a voltage-controlled oscillator (VCO). The VCO converts the control voltage generated by the phase detector into an output frequency which is then used to generate the output clocks.The VCO is connected to the phase detector, which takes the input frequency and compares it with the feedback signal coming from the oscillator. The phase detector output is then filtered to produce a voltage waveform that is fed to the VCO. This waveform is used to control the VCO, which modulates the output frequency from the oscillator to match the input frequency, completing the feedback loop.The SI5335D-B04218-GMR supports a powerful I2C command interface for easy programming, allowing for quick and easy configuration of the device settings. The device can also generate clock outputs with high level of accuracy. The combination of high accuracy and wide frequency range, low jitter, along with theSoC technology makes the SI5335D-B04218-GMR an ideal device for a variety of applications.

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