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SI5341 数据表(PDF) 32 Page - Silicon Laboratories

部件名 SI5341
功能描述  Low-Jitter, 10 or 4-Output, Any-Frequency, Any-Output Clock Generator
PDF  53 Pages
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制造商  SILABS [Silicon Laboratories]
网页  http://www.silabs.com
标志 SILABS - Silicon Laboratories

SI5341 数据表(HTML) 32 Page - Silicon Laboratories

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Table 5.12. Crystal Specifications
Parameter
Symbol
Test Condition
Min
Typ
Max
Units
Crystal Frequency Range
fXTAL
Full operating range. Jitter per-
formance may be reduced.
24.97
—
54.06
MHz
Range for best jitter.
48
—
54
MHz
Load Capacitance
CL
—
8
—
pF
Crystal Drive Level
dL
—
—
200
μW
Equivalent Series Resistance
Shunt Capacitance
rESR
CO
Refer to the Si5341/40 Family Reference Manual to determine ESR and shunt ca-
pacitance.
Note:
1. Refer to the Si5341/40 Family Reference Manual for recommended 48 to 54 MHz crystals. The Si5341/40 are designed to work
with crystals that meet these specifications.
Table 5.13. Thermal Characteristics
Parameter
Symbol
Test Condition1
Value
Units
Si5341 - 64QFN
Thermal Resistance
Junction to Ambient
ϴJA
Still Air
22
°C/W
Air Flow 1 m/s
19.4
Air Flow 2 m/s
18.3
Thermal Resistance
Junction to Case
ϴJC
9.5
Thermal Resistance
Junction to Board
ϴJB
9.4
ΨJB
9.3
Thermal Resistance
Junction to Top Center
ΨJT
0.2
Si5340 - 44QFN
Thermal Resistance
Junction to Ambient
ϴJA
Still Air
22.3
°C/W
Air Flow 1 m/s
19.4
Air Flow 2 m/s
18.4
Thermal Resistance
Junction to Case
ϴJC
10.9
Thermal Resistance
Junction to Board
ϴJB
9.3
ΨJB
9.2
Thermal Resistance
Junction to Top Center
ΨJT
0.23
Note:
1. Based on PCB Dimension: 3 x 4.5 mm, PCB Land/Via under GND pad: 36, Number of Cu Layers: 4
Si5341/40 Rev D Data Sheet
Electrical Specifications
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.0 | 31



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