SI5375B-A-BL屬于集成電路（IC）的時鐘發(fā)生器PLL頻率合成器。由美國思佳訊公司制造生產(chǎn)的SI5375B-A-BL時鐘發(fā)生器，PLL，頻率合成器時鐘發(fā)生器、PLL 和頻率合成器集成電路 (IC) 可為邏輯器件提供參考信號的穩(wěn)定定時脈沖，這些器件包括計算機、微控制器、數(shù)據(jù)通信系統(tǒng)和圖形/視頻發(fā)生器。這些集成電路可能包括緩沖器、驅(qū)動器、分頻器、倍頻器、多路復(fù)用器、合成器、扇出分配器和預(yù)分頻器。

特性 Features

? 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 onchip

voltage regulator

? 10x10 mm PBGA