SI5335 Datasheet, PDF (14/47 Pages) Silicon Laboratories – WEB-CUSTOMIZABLE, ANY-FREQUENCY, ANY-OUTPUT QUAD CLOCK GENERATOR/BUFFER

Si5335
Table 10. itter Specifications, Clock Buffer Mode (PLL Bypass)*
(V_DD = 1.8 V –5% to +10%, 2.5 V ±10%, or 3.3 V ±10%, T_A = –40 to 85°C)
Parameter
Symbol
Test Condition
Min
Additive Phase Jitter
(12 kHz–20 MHz)
0.7 V pk-pk differential input
t_RPHASE
clock at 350 MHz with
—
70 ps rise/fall time
Additive Phase Jitter
(50 kHz–80 MHz)
0.7 V pk-pk differential input
t_RPHASEWB clock at 350 MHz with
—
70 ps rise/fall time
*Note: All outputs are in Clock Buffer mode (PLL Bypass).
Typ
0.165
0.225
Max
Unit
— ps RMS
— ps RMS
Table 11. Typical Phase Noise Performance
Offset
Loop
25 MHz XTAL 27 MHz Ref In 19.44 MHz Ref In 100 MHz Ref In Units
Frequency Bandwidth to 156.25 MHz to 148.3517 MHz to 155.52 MHz
to 100 MHz
100 Hz
1.6 MHz
–90
–87
–110
–115
dBc/Hz
475 kHz
N/A*
–91
–91
–113
dBc/Hz
1 kHz
1.6 MHz
–120
–117
–116
–122
dBc/Hz
475 kHz
N/A*
–112
–111
–122
dBc/Hz
10 kHz
1.6 MHz
–126
–123
–123
–128
dBc/Hz
475 kHz
N/A*
–124
–122
–127
dBc/Hz
100 kHz
1.6 MHz
–132
–130
–128
–136
dBc/Hz
475 kHz
N/A*
–122
–121
–124
dBc/Hz
1 MHz
1.6 MHz
–132
–132
–128
–136
dBc/Hz
475 kHz
N/A*
–133
–131
–135
dBc/Hz
10 MHz
1.6 MHz
–145
–145
–145
–152
dBc/Hz
475 kHz
N/A*
–152
–153
–152
dBc/Hz
*Note: XTAL input mode does not support the 475 kHz loop bandwidth setting.
Table 12. Thermal Characteristics
Parameter
Thermal Resistance
Junction to Ambient
Thermal Resistance
Junction to Case
Symbol
_JA
_JC
Test Condition
Still Air
Still Air
Value
37
25
Unit
°C/W
°C/W
14
Rev. 1.4