SI5347A-A-GMR

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The SI5347A-A-GMR is a Clock Generator-Phase Locked Loop (PLL) device that provides a variety of functions for a number of applications. The device is designed to generate one or more clock outputs which can be synchronized to an external frequency reference, or to generate a reference clock output. It can also be used to generate a clock of any desired frequency accurately and to oscillate at a specific frequency based on the external reference frequency. It is well-suited for applications such as networking, telecom, and industrial clock distribution.

The SI5347A-A-GMR is a small, versatile, low power semiconductor device with an integrated voltage regulator and programmable frequency synthesizer which offers the advantages of low power consumption and low cost. It is capable of generating frequencies up to 600 MHz with an accuracy of +/-100 ppm. It provides up to 4 independent clock outputs and can be programmed using either a software utility or an I2C interface. The SI5347A-A-GMR can be used to generate a variety of clock sources such as fundamental, harmonic and spread-spectrum clocks.

The device incorporates a wide variety of features which makes it suitable for many applications. The SI5347A-A-GMR has a programmable reference clock source and a programmable PLL which allows the device to generate a variety of clock outputs with an accuracy of up to +/-100 ppm. It also features a programmable spread-spectrum output, an adjustable output phase adjustment, an adjustable skew between clock outputs, and an integrated voltage regulator.

The working principle behind the SI5347A-A-GMR involves the combination of a programmable local oscillator and a programmable digital delay line. The reference clock is first divided by a programmable dividing ratio and then sent to the PLL circuit. The digital delay line is used to adjust the phase of the output clock by shifting the signal in time. The signal is then fed to the voltage regulator, which converts the signal from a digital signal back to an analog signal. Finally, the signal is passed through a D-type flip-flop which retimes the signal for use as an output clock signal.

The SI5347A-A-GMR is designed to be easy to use and integrate into existing systems. It is an ideal solution for a variety of clock distribution and generation applications such as networking and telecommunications, automotive, industrial automation and consumer electronics. The device provides a low cost, high performance solution for clock generation, frequency synthesis and synchronization.

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