
THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX
(630) 851-5040.
PHONE (630) 851-4722.
WWW.CONWIN.COM
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Specifications subject to change without notice.
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Copyright 2001 Connor-Winfield all rights reserved.
a
CRYSTAL CONTROLLED OSCILLATORS
The Connor-Winfield
ASOF3S3 is a true Surface
Mount 3.3V Oven Controlled
Crystal Oscillator (OCXO)
with an LVCMOS output. The
ASOF3S3 is designed for
Stratum 3 applications
requiring tight frequency
stability and low jitter.
1
2
ASOF3S3 - 12.80MHz
OCXO
SERIES
CENTER
FREQUENCY
FEATURES
DESCRIPTION
ORDERING INFORMATION
FIXED FREQUENCY OCXO
3.3V OPERATION
LOW JITTER <1pS RMS
FREQUENCY STABILITY: ±0.25ppm
TEMPERATURE RANGE: 0 to 70°C
FREQUENCY TOLERANCE OF ±4.6ppm
OVER TWENTY YEARS
SURFACE MOUNT PACKAGE
TAPE AND REEL PACKAGING
RoHS 5/6 COMPLIANT
SURFACE MOUNT 3.3V LVCMOS STRATUM 3 OCXO
ASOF3S3
Cx013
10
11/28/06
CW 0642
ASOF3S3
12.80M
ABSOL UTE M AXIMUM RATING S
TABLE 1.0
PARAMETER
UNITS
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTE
Storage Temperature
-55
-
125
°C
Supply Voltage
(Vcc)
-0.5
-
4.5
Vdc
OPERATING SPECIFIC ATIONS
TABLE 2.0
PARAMETER
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTE
Center Frequency
(Fo)
1.544
-
20.0
MHz
Frequency Calibration
-1.5
1.5
ppm
1,4
Frequency Stability
-0.25
-
0.25
ppm
2
Total Frequency Tolerance
-4.6
-
4.6
ppm
3
Aging (Daily
-30
-
30
ppb
4
Aging (20 years)
-3.0
-
3.0
ppm
Operating Temperature Range
0
-
70
°C
Supply Voltage
(Vcc)
3.135
3.3
3.465
Vdc
Supply Current
(Icc)
-
450
mA
Phase Jitter (BW =12KHz to 20MHz)
-
1
ps RMS
Phase Jitter (BW =10Hz to 20MHz)
-
3
ps RMS
Period Jitter
-
3
ps RMS
Allan Variance (1 Second)
-
5.00 E-10
-
SSB Phase Noise at 10Hz offset
-
-90
-
dBc/Hz
SSB Phase Noise at 10KHz offset
-
-130
-
dBc/Hz
Start-Up Time: Oscillator
-
10
mS
Warm Up Time
-
5
Minutes
5
TDEV at 1.0 seconds
-
1
ns
TDEV at 4.0 seconds
-
2
ns
LVCMOS OUTPUT CHARACTERISTICS
TABLE 3.0
PARAMETER
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTE
LOAD
-
15
pF
Voltage
(High)
(Voh)
2.6
-
Vdc
(Low)
(Vol)
-
0.4
Vdc
Current
(High)
(Ioh)
-4
-
mA
(Low)
(Iol)
-
4
mA
Duty Cycle at 50% of Vcc
45
50
55
%
Rise / Fall Time 10% to 90%
-
6
ns
PACKAG E CHARACTERISTICS
TABLE 4.0
Package
Surface Mount, Non-hermetic package consisting of an FR4 substrate with
grounded metal cover.
PROCESS RECOMMENDATIONS
TABLE 5.0
Soldering Process
See the solder profile on page 2.
Wash
Ultrasonic cleaning is not recommended
Notes:
1) Initial calibration @ 25°C
2) Frequency vs. temperature stability
3) Inclusive of calibration, operating temperature range, suppl y voltage change, shock and
vibration and aging (20 years).
4) Specifications at time of shipm ent after 48 hours of operation.
5) Measured @ 25°C, within 5 minutes, the unit will be within +/-0.1ppm of its reference
frequency, measured after 30 minutes of continuous operation at a stable 25°C.