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參數(shù)資料
型號: SI5351C-A-GU
廠商: Silicon Laboratories Inc
文件頁數(shù): 56/72頁
文件大?。?/td> 0K
描述: IC CLK GEN PLL BLANK CUST 24QSOP
標準包裝: 56
系列: MultiSynth™
類型: *
PLL:
輸入: 時鐘,晶體
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 3:8
差分 - 輸入:輸出: 無/無
頻率 - 最大: 133MHz
除法器/乘法器: 是/無
電源電壓: 2.25 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 24-QSOP
包裝: 管件
Si5351A/B/C
6
Preliminary Rev. 0.95
Table 5. Output Clock Characteristics
(VDD = 2.5 V ±10%, or 3.3 V ±10%, TA =–40 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Units
Frequency Range
FCLK
0.008
160
MHz
Load Capacitance
CL
—5
15
pF
Duty Cycle
DC
Measured at VDD/2,
fCLK =50MHz
45
50
55
%
Rise/Fall Time
tr
20%–80%, CL =5pF,
Drive Strength = 8 mA
0.5
1
1.5
ns
tf
0.5
1
1.5
ns
Output High Voltage
VOH
CL =5pF
VDD – 0.6
V
Output Low Voltage
VOL
——
0.6
V
Period Jitter
JPER
Measured over 10k cycles
35
100
ps pk-pk
Period Jitter VCXO
JPER_VCXO
60
110
ps pk-pk
Cycle-to-Cycle Jitter
JCC
Measured over 10k cycles
—30
90
ps pk
Cycle-to-Cycle Jitter
VCXO
JCC_VCXO
—50
95
ps pk
RMS Phase Jitter
JRMS
12 kHz–20 MHz
3.5
11
ps rms
RMS Phase Jitter VCXO JRMS_VCXO
8.5
18.5
ps rms
Table 6. Crystal Requirements1,2
Parameter
Symbol
Min
Typ
Max
Unit
Crystal Frequency
fXTAL
25
27
MHz
Load Capacitance
CL
6—
12
pF
Equivalent Series Resistance
rESR
——
150
Crystal Max Drive Level
dL
——
100
W
Notes:
1. Crystals which require load capacitances of 6, 8, or 10 pF should use the device’s internal load capacitance for
optimum performance. See register 183 bits 7:6. A crystal with a 12 pF load capacitance requirement should use a
combination of the internal 10 pF load capacitors in addition to external 2 pF load capacitors.
2. Refer to “AN551: Crystal Selection Guide” for more details.
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