SI5351A-B屬于集成電路（IC）的時(shí)鐘發(fā)生器PLL頻率合成器。由美國(guó)思佳訊公司制造生產(chǎn)的SI5351A-B時(shí)鐘發(fā)生器，PLL，頻率合成器時(shí)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(hào)的穩(wěn)定定時(shí)脈沖，這些器件包括計(jì)算機(jī)、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(dòng)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

? https://www.skyworksinc.com/Products/Timi

ng/CMOS-Clock-Generators

? Generates up to eight non-integerrelated

frequencies from 2.5 kHz to

200 MHz

? I2C user definable configuration

? Exact frequency synthesis at each

output (0 ppm error)

? Highly linear VCXO

? Optional clock input (CLKIN)

? Low output period jitter: < 70 ps pp,

typ

? Configurable spread spectrum

selectable at each output

? Operates from a low-cost, fixed

frequency crystal: 25 or 27 MHz

? Supports static phase offset

? Programmable rise/fall time control

? Glitchless frequency changes

? Separate voltage supply pins

provide level translation:

? Core VDD: 2.5 or 3.3 V

? Output VDDO: 1.8, 2.5, or 3.3 V

? Excellent PSRR eliminates external

power supply filtering

? Very low power consumption

? Adjustable output delay

? Available in three packages types:

? 10-MSOP: 3 outputs

? 16-QFN (3x3 mm): 4 outputs

? 20-QFN (4x4 mm): 8 outputs

? PCIE Gen 1 compatible

? Supports HCSL compatible swing