SI5338B-B05202-GMR

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-QFN (4x4)

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SI5338B-B05202-GMR is a programmable clock generator that has been designed for telecom, server, and industrial applications. It provides an output clock frequency range of up to 500MHz with an maximum output frequency accuracy of ±30 ppm and phase noise of less than -130 dBc/Hz at 10 kHz. With a 14 x 14 mm QFN package, this part is ideal for applications with limited PCB space. The SI5338B-B05202-GMR is a clock synthesizer with support for a variety of clock frequencies and outputs. It allows for programmable different clock frequencies, allowing the user to optimize the oscillator’s performance to their specific application requirements. Additionally, the SI5338B-B05202-GMR has an integrated phase locked loop (PLL) with on-chip memory that allows the user to program and store clock frequencies, as well as output phase shift configurations. The SI5338B-B05202-GMR has a range of features that make it suitable for a variety of clock/timing-specific applications, ranging from telecom and server to industrial applications. These features include support for up to ten independent output frequencies, adjustable frequency range from 25 MHz to 500 MHz, programmable multi-phase output option, clock spread spectrum for EMI reduction and ±30 ppm output frequency accuracy. Additionally, the SI5338B-B05202-GMR has a low jitter output and an optimized power consumption of just 18 mW at a 1.8 V operating voltage.The SI5338B-B05202-GMR’s working principle behind its clock/timing-application specific features comes down to its use of a PLL circuit. The PLL circuit consists of two components: a voltage-controlled oscillator (VCO) and a phase/frequency detector (PFD). The VCO is the source of the clock signal which is then compared to an external reference clock signal by the PFD. The PFD monitors the two signals and adjusts the VCO output frequency accordingly to lock the two signals together. Once the frequency has been set, the PLL circuit adjusts the frequency based on the frequency of the external reference clock signal. This ensures that the proper clock frequency and phase shift are being output. The clock outputs are further adjusted by the adjustment of the programmable multi-phase output option, and the clock spread spectrum for EMI reduction. The SI5338B-B05202-GMR is a great choice for applications that require a specific clock frequency, with low jitter, low power consumption and up to ±30 ppm output frequency accuracy. Its low power consumption, adjustable frequency range and advanced features make the SI5338B-B05202-GMR the ideal choice for clock/timing-application specific applications ranging from telecom and server to industrial applications.

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