CRYSTAL CLOCK OSCILLATORS
Data Sheet 0629J
Rev.
B
PECL/LVPECL HF VCXO
SU-X36CXXX Series
Description
The
SU-X36CXXX Series
of voltage controlled crystal oscillators (VCXO) provides high frequency with
PECL/LVPECL complementary outputs. The outputs can be disabled for test automation or combining
multiple clocks. The device does not use any frequency multiplication, providing exceptionally low Phase
Noise and Jitter. It is packaged in a miniature, FR-4 based 9x14 mm SMD package.
Applications and Features
• Wide frequency range – 12.0MHz to 280.000MHz
• Fiber Channel; 10 GbE; Infiniband; Network Processors; SONET/SDH
• High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions
• Extremely Low Phase Noise, Low Jitter
• No Multiplication
• SONET ±20ppm overall free-run stability available
• Absolute Pull Range (APR) to ±100 ppm
• High shock resistance, to 1000g
• RoHS Compliant, Lead Free Construction
Creating a Part Number
SU - X 36C X X X - FREQ
Package Code
Absolute Pull Range, ppm
SU 6 pad 9x14mm SMD
E ±20
F ±32
Input Voltage
G ±50
5.0V±5%
H ±100
A
3.3V±5%
9 Customer specific
B
2.5V±5%
Enable Option
H
Enable High
L
Enable Low
Temperature Range, °C
A 0 to 50
B 0 to 70
C -20 to 70
D -40 to 85
9
Customer specific
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
CRYSTAL CLOCK OSCILLATORS
SU-X36CXXX Series
Continued
PECL/LVPECL HF VCXO
Data Sheet 0629J
Rev.
B
Absolute Maximum Ratings
Parameter
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Enable/Disable Voltage
Parameter
Nominal Frequency
Supply Voltage
Supply current
Output Logic Type
Load
Output Levels
Symb
Fo
Vcc
Icc
Symbol
To
Tst
Vcc
Ven/dis
Conditions, Note
Code
Code A
Code B
Output to Vcc-2V, or
Thevenin Equivalent
overall
Value
-40 to +85
-50 to +90
-0.5 to 4.5
0 to Vcc
MIN
12
4.75
3.135
2.375
TYP
5.0
3.3
2.5
60
LVPECL
Unit
ºC
ºC
V
V
MAX
280
5.25
3.465
2.625
80
Unit
MHz
V
mA
Ohm
V
Vcc-
1.620
55/45
0.7
0.2
1.0
Electrical Parameters
50
Voh
Vol
Vcc-
1.025
45/55
50/50
0.5
0.1
Duty Cycle
(Symmetry)
Rise/Fall Time
Jitter
Integrated
Tr/Tf
J
Wavecrest
characterized
Sub-harmonics
Phase Noise
At 50% of output voltage
swing
20 to 80, 80 to 20 %
Integrated from Phase
Noise, 12 KHz to 20 MHz,
RMS
10 Hz to 80 KHz, RMS
50 Khz to 80 Mhz
Random
period,
Accumul.,
pk-to-pk
Deterministic
@ 10 Hz
@100 Hz
@1 KHz
@10KHz
@100KHz
@>1MHz
Overall, including initial
calibration, temperature,
aging 10 years, shock and
vibration @ Vc=Vcc/2;
APR 50ppm, or less
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
Pin 2 = Low, 0 to Vcc-
1.62V
Pin 2 = High, Vcc-1.025V
to Vcc
155.52 MHz
%
ns
ps
ps
ps
ps
ps
ps
dBc
dBc/Hz
0.3
2.5
17
0
None
-75
-105
-128
-142
-147
-147
±30
£(Δf)
Frequency Stability,
usually not specified -
unless necessary, APR
is specified to
incorporate stability
Control Voltage Range
Setability
Absolute Pull Range
Input Impedance
Modulation Bandwidth
Enable
Disable
ΔF/F
±20
-70
-100
-125
-140
-145
-145
ppm
Vc
Vcs
APR
Zin
0V
0.4 Vcc
20,32,
50,100
50
20
0.5 Vcc
Vcc
0.6 Vcc
V
V
ppm
KOhm
KHz
Enabled
Disabled, Pin 4 = Logic “1",
Pin 5 = Logic “0"
V
V
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
CRYSTAL CLOCK OSCILLATORS
SU-X36CXXX Series
Continued
PECL/LVPECL HF VCXO
Electrical Connection
Pin
Connection
1
Vco
2
Enable/Disable
3
V
EE
4
Output
5
Output Complement
6
V
CC
Rev. B
Environmental and
Mechanical Characteristics
Operating temp.
range
Mechanical Shock
Thermal Shock
Vibration
Hermetic Seal
Soldering conditions
see part # table
Per MIL-STD-202, Method 213, Cond. E
Per MIL-STD-883, Method 1011, Cond. A
Per MIL-STD-883, Method 2007, Cond. A
Leak rate less than 1x10-8 atm.cc/s of helium
See MAX reflow profile below
Maximum Reflow Profile
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
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