SD-X29JXXX-X Datasheet, PDF (2/3 Pages) Nel Frequency Controls,inc – LVPECL UHF CLOCK (XO)

CRYSTAL CLOCK OSCILLATORS
Data Sheet 0628A
SD-X29JXXX-X Series Continued
LVPECL UHF CLOCK (XO)
Rev. K
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Operating Temperature Range
To
-40 to +85
ºC
Storage Temperature Range
Tst
-50 to +90
ºC
Supply Voltage
Vcc
-0.5 to 4.5
V
Enable/Disable Voltage
Ven/dis
0 to Vcc
V
Electrical Parameters (2)
Parameter
Symb Conditions, Note
MIN
TYP
MAX Unit
Nominal Frequency
Fo
38
640 MHz
Supply Voltage
Vcc Code A
3.135
3.3
3.465
V
Code B
2.375
2.5
2.625
Supply current
Icc
80
100
mA
Output Logic Type
LVPECL
Load
Output to Vcc-2V, or
50
Ohm
Thevenin Equivalent
Output Levels
Voh overall
Vcc-
V
1.025
Vol
Vcc-
1.620
Duty Cycle
At 50% of output
45/55
50/50
55/45
%
(Symmetry)
voltage swing
Rise/Fall Time
Tr/Tf 20 to 80, 80 to 20 %
0.5
0.7
ns
Jitter Integrated J
Integrated from Phase
0.4
ps
Noise, 12 KHz to 20
MHz , RMS
Wavecrest
Random 155 MHz
3.5
ps
characterized
period, 622 MHz
6
Accumul., 155 MHz
20
ps
Phase Noise ⁽¹⁾
pk-to-pk 622 MHz
£(Δf) 155 MHz @ 10 Hz
40
-60
dBc/Hz
@100 Hz
-90
@1 KHz
-120
@10KHz
-130
@100KHz
-128
@1MHz
-144
@>10M
-150
Frequency Stability
ΔF/F Overall, including
See “Creating a Part Number”
ppm
initial calibration,
Not all combinations available,
temperature, aging 10 consult factory
years, shock and
vibration
Enable High Option
Enabled
CMOS logic 1 or N/C 0.7 Vcc
Vcc
V
Disabled
CMOS logic 0
0
0.3 Vcc
Enable Low Option
Disabled
CMOS logic 1 or N/C 0.7 Vcc
Vcc
V
Enabled
CMOS logic 0
0
0.3 Vcc
Footnotes: 1) If phase noise data at a particular frequency is needed, contact factory.
2) All parameters, unless otherwise specified, are at nominal conditions, ie: T=25°C, Nominal Vcc & Nominal Load.
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone [phone] FAX [phone]
Email: [e-mail] www.nelfc.com