THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX (630) 851-5040.
PHONE (630) 851-4722.
HTTP://WWW.CONWIN.COM
P R O D UC T D ATA S H E E T
CRYSTAL CONTROLLED OSCILLATORS
14 PIN DIP 3.3V HCMOS FIXED FREQUENCY OCXO
CW 0107
OFA3AB1AB
38.88M
OFA3AB1AB
ABSOLUTE MAXIMUM RATINGS
PARAMETER
TABLE 1.0
NOTE
UNITS
MINIMUM NOMINAL MAXIMUM
UNITS
°C
DESCRIPTION
Storage Temperature
-40
-
-
85
Supply Voltage
(Vcc)
-0.5
4.5
Vdc
The Connor-Winfield
OFA3AB1AB is a
OPERATING SPECIFICATIONS
PARAMETER
TABLE 2.0
NOTE
MINIMUM NOMINAL MAXIMUM
UNITS
MHz
ppm
hermetically sealed 14 Pin
DIP, 3.3V Oven Controlled
Crystal Oscillator (OCXO)
with an HCMOS/TTL
compatible output. The
OFA3AB1AB is designed for
applications requiring higher
frequency, low jitter and tight
frequency stability.
Center Frequency
(Fo)
20
-
40
1.5
0.25
30
2.5
4.6
70
3.465
450
1
Frequency Calibration
Frequency Stability
-1.5
1
2
3
-0.25
-
ppm
Aging (Daily)
-30
-
ppb
Aging (20 Years)
-2.5
-
ppm
Total Frequency Tolerance
Operating Temperature Range
Supply Voltage
-4.6
-
ppm
4
0
-
°C
(Vcc)
(Icc)
3.135
3.3
Vdc
Supply Current
-
-
-
-
-
-
-
-
-
-
-
mA
Phase Jitter (BW=12KHz to Fo/2)
Phase Jitter (BW=10Hz to Fo/2)
Period Jitter
-
ps rms
ps rms
ps rms
dBc/Hz
dBc/Hz
mS
-
3
-
3
SSB Phase Noise at 10Hz offset
SSB Phase Noise at 10KHz offset
Start Up Time: Oscillator
Warm Up Time
-80
-
-135
-
FEATURES
-
-
-
-
10
5
Minutes
nS
5
3.3V OPERATION
TDEV @ 1.0 Sec.
1
TDEV @ 4.0 Sec.
2
nS
LOW JITTER <1pS RMS
HCMOS OUTPUT CHARACTERISTICS
PARAMETER
TABLE 3.0
NOTE
FREQUENCY STABILITY: ±0.25ppm
TEMPERATURE RANGE: 0 to 70°C
MINIMUM NOMINAL MAXIMUM
UNITS
pf
LOAD
-
2.6
-
-
-
-
15
-
Voltage
Current
(High)
(Low)
(High)
(Low)
(Voh)
(Vol)
(Ioh)
(Ioh)
Vdc
Vdc
mA
mA
%
0.4
-
FREQUENCY TOLERANCE OF
±4.6ppm OVER TEN YEARS
-4
-
-
50
-
4
Duty Cycle at 50% of Vcc
45
-
55
6
Rise / Fall Time 10% to 90%
nS
TABLE 4.0
PACKAGE CHARACTERISTICS
Package
14 pin DIP, hermetically sealed, grounded case, welded package
ORDERING INFORMATION
Notes:
1) Initial calibration @ 25°C
2) Frequency vs. temperature stability, 0 to 70°C absolute.
OFA3AB1AB - 38.88MHz
3) At the time of shipment after 48 hours of operation.
4) Inclusive of calibration, operating temperature range, supply voltage change, load change, shock
and vibration, 10 years aging.
OCXO
SERIES
CENTER
FREQUENCY
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
Specifications subject to change without notice.
5/12/04
Cx069
00
1
2
Copyright 2001 Connor-Winfield all rights reserved.
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