SI5335D-B04014-GMR

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The SI5335D-B04014-GMR is aClock/Timing - Clock Generators, PLLs and Frequency Synthesizers. It is used to generate multiple high-precision frequencies and is suited for high-frequency timing applications, such as switch-mode power supplies, embedded microprocessors, and FPGA systems. This device offers excellent phase-noise performance and low jitter when used for digital communications such as in mobile phones and base station applications.

The SI5335D-B04014-GMR is a member of Silicon Labs’ Si5335 family of performance-oriented clock synthesizers. It is a system level solution that drives multiple output clocks and includes spread spectrum (SS) and multiphase output jitter attenuating (JA) modes. This device supports both spread spectrum and multiphase jitter attenuating to reduce EMI. It also offers a wide input frequency range, low jitter performance, programmable pull range, and output enable control.

The SI5335D-B04014-GMR works on the principle of programmable oscillator and phase-locked loop (PLL). It has inputs for a reference clock signal and an optional Xtal oscillator, which appropriate arithmetic operations are used in the PLL to get the desired output frequency. The PLL basically works on the principle of rotation of a sine wave by the internal voltage-controlled oscillator (VCO). This rotation is then compared to the reference clock signal and any discrepancy is adjusted with the help of the internal phase detector.

The SI5335D-B04014-GMR also features programmable spread-spectrum modulation, which modulates system-level signal traces to reduce EMI radiation. This device features multiple frequency output sources and is designed for maximum signal purity with minimal instability. It also provides frequency synchronization and programmable spread spectrum by way of its output enable pins.

The SI5335D-B04014-GMR is a low-power, high-performance clock synthesizer that offers excellent phase noise performance and low jitter across a wide range of applications. It offers simple device programming, via SPI, and no external components, or complex programming. It is available in a small 24-pin QFN package and supports multiple output frequency channels.

This makes the SI5335D-B04014-GMR a suitable solution for high-frequency timing solutions, such as embedded systems, microprocessors, and digital communications applications. The device can also be used for switch-mode power supplies, FPGA systems, and a variety of other industrial, automotive, and medical applications where low jitter and improved EMI performance are desired.

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