SI5335B-B04863-GM

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The SI5335B-B04863-GM is a Clock Generator, Phase-Locked Loop (PLL) and Frequency Synthesizer, manufactured by Silicon Labs. It has a wide range of application fields due to its high speed and advanced features.

The device is a fully integrated single-chip clock generator and frequency synthesizer that supports up to four differential input clock signals. It provides 52MHz to 3.2GHz output reference clock frequencies and supports output frequency up to 5.6GHz that can be generated through the use of fractional-N or integer-N synthesizers. The device also includes two on-chip 100MHz VCXO oscillators and two on-chip 32-bit programmable dividers.

The main application field of the SI5335B-B04863-GM is optical, wireless and wireline communications, such as CDMA and GSM systems, 100G/200G Ethernet and storage applications. It can be used for single-ended applications, such as clocking FPGAs, as well as differential applications, such as clocking high-speed ADCs/DACs. The device also provides jitter attenuation for SONET/SDH applications, DDR2 and DDR3 memories, and PCIe transceivers.

The working principle of the SI5335B-B04863-GM is based on a phase-locked loop (PLL). All signal input frequencies are divided down by the on-chip dividers, providing reference signal frequencies in the range of 39kHz to 3.2GHz. These signals are then provided to the phase comparator in the PLL, where they are compared against the output of the VCO, scanning through an adjustable frequency range. At the point where the frequencies meet, the PLL is locked, yielding a highly accurate, stable output frequency.

The SI5335B-B04863-GM also has advanced features for signals needing even more accuracy. The frequency jitter and cycle-to-cycle jitter in the output signal can be reduced by using the on-chip loop filter, which provides optimal frequency control. The device also has programmable PLL control functions that allow the ability to override the on-chip loop filter and optimize the output frequency in more specific application scenarios.

The SI5335B-B04863-GM is equipped with extensive diagnostics, including read back of status information and monitoring of all clock inputs, VCXO and PLL reference coming into the device. The device also has programmable output buffers, designed to provide both low power, low noise and high frequency performance.

The SI5335B-B04863-GM provides an all-in-one clock generator and frequency synthesizer solution for a wide range of applications in optical, wireless, wireline and storage applications. It is a versatile device with advanced features that make it suitable for demanding applications. The device offers highly accurate output frequencies and low output jitter, making it an ideal solution for a number of applications.

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