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SI5375B-A-GL датащи(PDF) 1 Page - Silicon Laboratories |
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SI5375B-A-GL датащи(HTML) 1 Page - Silicon Laboratories |
1 / 54 page Rev. 1.0 8/12 Copyright © 2012 by Silicon Laboratories Si5375 Si5375 4-PLL A NY-F REQUENCY P RECISION C LOCK M ULTIPLIER/J ITTER A TTENUATOR Features Applications Description The Si5375 is a highly-integrated, 4-PLL, jitter-attenuating precision clock multiplier for applications requiring sub 1 ps jitter performance. Each of the DSPLL® clock multiplier engines accepts an input clock ranging from 2 kHz to 710 MHz and generates an output clock ranging from 2 kHz to 808 MHz. The device provides virtually any frequency translation combination across this operating range. For asynchronous, free-running clock generation applications, the Si5375’s reference oscillator can be used as a clock source for any of the four DSPLLs. The Si5375 input clock frequency and clock multiplication ratio are programmable through an I2C interface. The Si5375 is based on Silicon Laboratories' third-generation DSPLL® technology, which provides any-frequency synthesis and jitter attenuation in a highly-integrated PLL solution that eliminates the need for external VCXO and loop filter components. Each DSPLL loop bandwidth is digitally-programmable, providing jitter performance optimization at the application level. The device operates from a single 1.8 or 2.5 V supply with on-chip voltage regulators with excellent PSRR. The Si5375 is ideal for providing clock multiplication and jitter attenuation in high port count optical line cards requiring independent timing domains. Highly integrated, 4–PLL clock multiplier/jitter attenuator Four independent DSPLLs support any-frequency synthesis and jitter attenuation Four inputs/four outputs Each DSPLL can generate any frequency from 2 kHz to 808 MHz from a 2 kHz to 710 MHz input Ultra-low jitter clock outputs: 350 fs rms (12 kHz– 20 MHz) and 410 fs rms (50 kHz–80 MHz) typical Meets ITU-T G.8251 and Telcordia GR-253-CORE OC-192 jitter specifications Integrated loop filter with programmable bandwidth as low as 60 Hz Simultaneous free-run and synchronous operation Automatic/manual hitless input clock switching Selectable output clock signal format (LVPECL, LVDS, CML, CMOS) LOL and interrupt alarm outputs I2C programmable Single 1.8 V ±5% or 2.5 V ±10% operation with high PSRR on- chip voltage regulator 10x10 mm PBGA High density any-port, any- protocol, any-frequency line cards ITU-T G.709 OTN custom FEC 10/40/100G OC-48/192, STM-16/64 1/2/4/8/10G Fibre Channel GbE/10GbE Synchronous Ethernet Carrier Ethernet, multi-service switches and routers MSPP, ROADM, P-OTS, muxponders Ordering Information: See page 48. |
Аналогичный номер детали - SI5375B-A-GL |
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Аналогичное описание - SI5375B-A-GL |
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