SI53303-B-GMR

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Silicon Labs\' SI53303-B-GMR is a high-performance, low jitter clock generator for applications that require high-accuracy clock signals over a wide range of frequencies with minimal power consumption. The SI53303-B-GMR is based on the extremely precise 27-phase delay-locked loop architecture, which has been used in many industrial and automotive applications.

This clock generator is capable of operating at clock frequencies ranging from 600 Hz to 250 MHz, making it suitable for a wide range of clock/timing applications. The SI53303-B-GMR includes both a PLL and a fractional-N synthesizer, which enables it to synthesize a wide range of frequencies with very low jitter. The PLL also provides exceptional clock stability over temperature and input voltage variations, which makes it ideal for industrial, automotive, and consumer applications.

SI53303-B-GMR is the perfect choice for clock buffer applications that require the lowest jitter and the highest accuracy. In addition, the SI53303-B-GMR can extend the operational frequencies of its output clocks to three times higher than the input frequency, allowing for excellent noise immunity and low power consumption.

In terms of its working principle, the SI53303-B-GMR operates by using a combination of internal and external components to create an extremely accurate and stable clock signal. The internal components include an oscillator, a feedback amplifier, a low-noise pre-amplifier, a fractional-N synthesizer, and a PLL synthesizer. The external components include an input reference clock, and up to four output clocks.

The SI53303-B-GMR acts as a buffer for the input reference clock and drives up to four output clocks. The input reference clock is fed into the oscillator to create a reference frequency that is then used to control the fractional-N synthesizer. The fractional-N synthesizer then creates an output frequency based on the reference frequency, which is used to govern the output clock signals. In addition, the PLL synthesizer is used to adjust the frequency and phase of the output clock signals to ensure very low jitter and high accuracy clock signals. The output clocks are then sent out to their respective outputs.

The SI53303-B-GMR is an excellent choice for a range of clock buffer applications that require a high level of accuracy and accuracy over temperature and voltage variations. The on-chip components and flexible design of the SI53303-B-GMR yielded a very low jitter and low power consumption clock generator that can be used in a variety of industrial, automotive, and consumer applications. With its wide range of output frequencies and efficient power consumption, the SI53303-B-GMR has been used in many industrial and automotive applications to provide the high accuracy and low jitter clock signal needed for these applications.

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