SI5347D-B-GMR

Series:	*
Part Status:	Active

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The SI5347D-B-GMR is a synthesized clock generator offering revolutionized phase-noise performance, enabling new high-performance products in a wide variety of RF application fields. It features a wide range of frequencies, highly flexible programming options, plus external crystal oscillator support, and offers reference clock multiplication up to 1Ghz. The high-speed synthesized clock generator\'s versatile switching layer technology, as well as its fractional-N frequency synthesizing techniques, eliminate the need for multiple interfering boards, opening up new possibilities for high-precision applications.The SI5347D-B-GMR provides the user with a comprehensive line of features such as host controller programming and real-time monitoring. It can automatically power up/down its multiplexed switches, as well as offers support for port blocking and interfacing logic. Its truly impressive performance and total resources allow it to be used in a wide range of applications, from consumer to industrial, automotive to medical.Working PrincipleThe SI5347D-B-GMR combines fractional-N frequency synthesizing techniques, powerful programming and monitoring features into an all-in-one clock generator, that is unparalleled in accuracy and performance. It utilizes an integrated architecture that avoids competing clocks, enabling it to deliver low jitter and improved signal-to-noise ratio performance.The SI5347D-B-GMR starts with an accurate reference clock, sourced either externally or via an integrated crystal oscillator. The clock is then multiplicatively divided, producing multiple sub-Hz reference frequencies. With these reference signals, the SI5347D-B-GMR synthesizes frequency-hopping outputs from one to six independent outputs, all between one Hz and 1Ghz, up to 2GHz.The SI5347D-B-GMR’s Frequency Synthesizing Engine, or FSE, determines the frequency of each output determined by the reference inputs. The output signals pass through the device’s advanced phase-shift tuning architecture, to achieve the desired phase shift and synchronization of generated clock outputs across different channels.Apart from providing reliable clock source for logic and digital designs, the SI5347D-B-GMR works in various application fields such as timing controllers, test and measurement systems, telecommunication systems, GPS receivers and receivers.Application FieldThere are a variety of fields where the SI5347D-B-GMR can be used, ranging from consumer to industrial, automotive to medical. To name a few, it can be used notably in test and measurement systems where its features make it an ideal solution for high-performance applications. It can be used to create a low-jitter clock source with multiple independently programmable outputs that can easily be synchronized via a common master clock.Its multiplexing capabilities can also be used in automotive applications such as engine control systems, HD digital radio, and entertainment systems. Its multiple power supplies, programmable output levels and high-frequency accuracy, makes it ideal for medical and medical imaging applications, since it provides unprecedented accuracy and reliability.The SI5347D-B-GMR can be used in precision timing and synchronization applications, allowing for both fast frequency switching and low noise performance. Its high-speed synthesizing techniques enable extremely low frequency noise performance, excellent linearity and isolation, as well as fast frequency switching.ConclusionThe SI5347D-B-GMR is a remarkable clock generator, that offers unparallelled features, ranging from precision timekeeping and syncing, to jitter control and crystal oscillator support. With multiplexing and powerful programming features, it can be used in a wide range of applications, from consumer to industrial, automotive to medical. It is the perfect device for applications looking for improved signal-to-noise ratio performance, as well as tight jitter control.

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