SI5351A-A-GMR Silicon Laboratories, SI5351A-A-GMR Datasheet - Page 6
SI5351A-A-GMR
Manufacturer Part Number
SI5351A-A-GMR
Description
Control: I2C; Reference Inputs: 1; Clock Outputs: 8; Input Frequency (MHz): 25/27 MHz (Xtal); Output Frequency (MHz):...
Manufacturer
Silicon Laboratories
Datasheet
1.SI5351A-A-GU.pdf
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Table 5. Output Clock Characteristics
(V
Si5351A/B/C
Table 6. Crystal Requirements
6
Parameter
Frequency Range
Load Capacitance
Duty Cycle
Rise/Fall Time
Output High Voltage
Output Low Voltage
Period Jitter
Period Jitter VCXO
Cycle-to-Cycle Jitter
Cycle-to-Cycle Jitter
VCXO
RMS Phase Jitter
RMS Phase Jitter VCXO J
Parameter
Crystal Frequency
Load Capacitance
Equivalent Series Resistance
Crystal Max Drive Level
Notes:
DD
1. Crystals which require load capacitances of 6, 8, or 10 pF should use the device’s internal load capacitance for
2. Refer to “AN551: Crystal Selection Guide” for more details.
= 2.5 V ±10%, or 3.3 V ±10%, T
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.
J
J
RMS_VCXO
PER_VCXO
Symbol
CC_VCXO
J
F
J
V
V
J
DC
RMS
C
PER
CLK
CC
t
t
OH
OL
r
f
L
A
= –40 to 85 °C)
1,2
Measured over 10k cycles
Measured over 10k cycles
Drive Strength = 8 mA
20%–80%, C
Measured at V
Preliminary Rev. 0.95
12 kHz–20 MHz
Test Condition
f
CLK
C
L
= 50 MHz
= 5 pF
Symbol
f
r
XTAL
ESR
C
L
d
L
L
= 5 pF,
DD
/2,
Min
25
—
—
6
V
DD
0.008
Min
0.5
0.5
45
—
—
—
—
—
—
—
—
– 0.6
Typ
—
—
—
—
Typ
3.5
8.5
50
35
60
30
50
—
—
—
5
1
1
Max
150
100
27
12
Max
18.5
160
100
110
1.5
1.5
0.6
15
55
90
95
—
11
ps pk-pk
ps pk-pk
ps rms
ps rms
MHz
Unit
Units
µW
ps pk
ps pk
MHz
pF
pF
ns
ns
%
V
V
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