参数资料
型号: SI5374B-A-GL
厂商: SILICON LABORATORIES
元件分类: 时钟产生/分配
英文描述: 808 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA80
封装: 10 X 10 MM, ROHS COMPLIANT, PLASTIC, MO-192, BGA-80
文件页数: 3/64页
文件大小: 303K
代理商: SI5374B-A-GL
Si5374
Preliminary Rev. 0.4
11
Table 5. Performance Specifications
VDD = 1.8 V ±5% or2.5 V ±10%, TA = –40 to 85 °C
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
PLL Performance1
Lock Time
tLOCKMP
Start of ICAL to
of LOL
35
1200
ms
Output Clock Phase Change
tP_STEP
After clock switch
f3
128 kHz
—200
ps
Closed Loop Jitter Peaking
JPK
0.05
0.1
dB
Jitter Tolerance
JTOL
Jitter Frequency
Loop Band-
width
5000/BW
ns
pk-pk
Phase Noise
fout = 622.08 MHz
CKOPN
1 kHz Offset
–106
dBc/Hz
10 kHz Offset
–114
dBc/Hz
100 kHz Offset
–116
dBc/Hz
1 MHz Offset
–132
dBc/Hz
Spurious Noise
SPSPUR
Max spur @ n x F3
(n
1, n x F3 < 100 MHz)
—–70
dBc
Jitter Generation
JGEN
fIN =fOUT =622.08MHz,
BW = 120 Hz
LVPECL output
12 kHz–20 MHz
350
400
fs rms
20 kHz–80 MHz
410
fs rms
Notes:
1.
fin = fout = 622.08 MHz; BW = 120 Hz; LVPECL.
2.
In most circumstances the Si5374 does not require special thermal management. A system level thermal analysis is
strongly recommend. Contact Silicon Labs applications for further details if required.
3.
Thermal characteristic for the 80-pin Si5374 on an 8-layer PCB.
4.
Ambient temperature = 65 °C.
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