SI5347B-D-GMR

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Introduction to SI5347B-D-GMR

The SI5347B-D-GMR is a versatile clock generator for a wide range of applications, and belongs to a category of products known as Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers.The SI5347B-D-GMR is designed to generate a constant frequency clock pulse in an efficient, low-power, and cost-effective manner, and can also be used in either a stand-alone application or as part of a larger timing system. This device is ideally suited for any application where the highest possible accuracy and stability is required, such as industrial automation, test and measurement, digital audio, telecommunications, and other markets.

Features

The SI5347B-D-GMR has several unique features which make it a reliable and robust solution for a range of clock generation applications. The device operates at a total power consumption of less than 500 mW, and has an optional low power consumption of 350 mW for increased power efficiency.With its 5 differential or 10 CMOS output banks, the SI5347B-D-GMR provides an extremely flexible output for a wide range of applications. In addition, the device has a single-wire programmable output frequency range from 10 MHz to 400 MHz, a wide temperature range of -40°C to +125°C, a 30 dB isolation of the output clock signal to other signals in the system, and a robust ECL-compatible differential output.The SI5347B-D-GMR also features a wide range of programmability options, including output enable control, digital pull control, spread spectrum, and programmable clock divisions. Additionally, the device offers a wide operating voltage range that allows for minimal power consumption when operating in low-voltage applications.

Application Fields

The SI5347B-D-GMR is suitable for a wide range of applications, from industrial automation and test and measurement to digital audio and telecommunications. The device is ideally suited for applications where very high accuracy and stability are essential, such as process control and instrumentation. The device also has strong digital features designed to ensure flexibility, increased output performance, and reliable digital connectivity. As such, the SI5347B-D-GMR is also well-suited for high-bandwidth applications such as SONET/SDH, optical transport networks, and digital video.

Working Principle

The SI5347B-D-GMR operates on the principle of a Phase Locked Loop (PLL), wherein a reference frequency is used to control an output frequency. The PLL includes a crystal oscillator, a voltage-controlled oscillator (VCO), and a frequency divider. The output frequency is determined by the frequency of the reference clock and the divider ratio used.The crystal oscillator acts as the reference and produces a stable, low-jitter signal. The VCO is used to generate the target output frequency, which is locked to the reference frequency and can be varied to create a range of output frequencies. The frequency divider is then used to divide the output signal to the desired frequency.The SI5347B-D-GMR also features a variety of integrated features designed to ensure robust digital connectivity, flexibility, and high-performance output. These features provide a range of advantages, such as high noise immunity and programmable clock divisions.

Conclusion

The SI5347B-D-GMR is an innovative clock generator, designed to offer a combination of high performance, flexibility, and low power consumption. It is an ideal solution for applications that require very high accuracy and stability, such as process control and instrumentation. Additionally, its integrated features ensure robust digital connectivity, flexibility, and high-performance output. The SI5347B-D-GMR is a versatile and reliable solution for a wide range of clock generation applications.

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