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SD-X3DBXXX-X Datasheet, PDF (2/3 Pages) Nel Frequency Controls,inc – voltage controlled crystal oscillators (VCXO) provides ultra high frequency with LVDS complementary output
CRYSTAL CLOCK OSCILLATORS
Data Sheet 0629E
SD-X3DBXXX-X Series
LVDS UHF VCXO
Rev. J
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
Nominal Frequency
Supply Voltage
Symb
Conditions, Note
Fo
Vcc
Code A
MIN
60
3.135
TYP
3.3
MAX
312.500
3.465
Unit
MHz
V
Supply current
Icc
60
70
mA
Output Logic Type
LVDS
Load
At receiving end between the 90
100
110
Ohm
outputs
Output Levels
Vod
Vof
Duty Cycle (Symmetry)
Differential amplitude
Amplitude error
Offset Voltage
Offset Voltage error
At outputs crossing, room
temperature
247
330
454
mV
50
mV
1.125 1.25 1.375
V
50
mV
45/55 50/50 55/45
%
Rise/Fall Time
Jitter Integrated
Tr/Tf
J
Wavecrest
characterized
20 to 80, 80 to 20 %
Integrated from Phase Noise,
12 KHz to 20 MHz , RMS
Random
period,
Accumul., pk-
to-pk
Deterministic
0.5
0.7
ns
0.3
ps
2.5
ps
35
ps
6
ps
Sub-Harmonics
-50
dBc
Phase Noise (1)
£ (Δf) 212.5 MHz
@ 10 Hz
@100 Hz
@1 KHz
@10KHz
@100KHz
@>1MHz
-65
dBc/Hz
-95
-122
-138
-142
-148
Frequency Stability
ΔF/F Overall, including
30
ppm
temperature, aging 10 years,
shock and vibration @
Vc=Vcc/2;
If -40 to 85°C is selected
50
Control Voltage Range Vc
Setability
Vcs
Absolute Pull Range APR
Input Impedance
Zin
Modulation Bandwidth
Enable High Option
Pin 2 Enabled
Pin 2 Disabled
Vc to set F at Fo; T, Vcc,
load - nominal, as shipped
Over all conditions, see part
# creation
@ Fmod < 100 Khz
At Vc = Vcc/2, -3dB
CMOS logic 1 or N/C
CMOS logic 0
0V
Vcc
V
0.4 Vcc 0.5 Vcc 0.6 Vcc V
20,32,
50,100
10
10
ppm
KOhm
KHz
0.7 Vcc
0
Vcc
V
0.3 Vcc
Enable Low Option
Pin 2 Disabled
CMOS logic 1 or N/C
0.7 Vcc
Vcc
V
Pin 2 Enabled
CMOS logic 0
0
0.3 Vcc
Footnote: 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 262/763-3591 FAX 262/763-2881
Email: nelsales@nelfc.com www.nelfc.com