OX-280
Oven Controlled Crystal Oscillator
OX-280
Features
•
•
•
•
Surface Mount Package
AT-CUT and SC_CUT Crystal Options
Low Profile Compact Package
Compact Package
•
•
•
•
•
Applications
Base stations
Test equipment
Synthesizers
Military communication equipment
Digital Switching
Performance Specifications
Frequency Stabilities
1
(AT-Cut Crystal-Standard 10 to 160 MHz- )
Parameter
vs. operating temperature range
(referenced to +25°C)
Min
-50
-100
-100
-0.5
-10
-10
-5
-250
Typical
Max
+50
+100
+100
+0.5
+10
+10
+5
+250
5
Units
ppb
ppb
ppb
ppm
ppb
ppb
ppb
ppb
minutes
Condition
Options
5
-20 to +70°C
-20 to +70°C
-40 to +85°C
at time of shipment, nominal EFC
V
S
±5% static
Load ±5% static
after 30 days of operation
after 30 days of operation
to ±100ppb of final frequency (1 hour
reading) @ +25°C
-20 to +70°C
-20 to +70°C
-40 to +85°C
at time of shipment, nominal EFC
V
S
±5% static
Load ±5% static
after 30 days of operation
≤ 60 MHz; after 30 days of operation
to ±100ppb of final frequency (1 hour
reading) @ +25°C
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / day
vs. aging / year
Warm-up time
Frequency Stabilities
1
(SC-Cut Crystal-Option - 10 to 52 MHz)
vs. operating temperature range
(referenced to +25°C)
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / day
vs. aging / year
Warm-up time
-10
-20
-20
-0.2
-2
-2
-1
-75
+10
+20
+20
+0.2
+2
+2
+1
+75
5
ppb
ppb
ppb
ppm
ppb
ppb
ppb
ppb
minutes
Page 1 of 5
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Performance Specifications
Supply Voltage (Vs)
Parameter
Supply voltage (standard)
Min
3.135
4.75
11.4
Typical
3.3
5.0
12.0
Max
3.465
5.25
12.6
3.0
1.0
Units
VDC
VDC
VDC
Watts
Watts
Condition
Power consumption
during warm-up
steady state @ +25°C
RF Output
Signal [standard]
Load
Signal Level (Vol)
Signal Level (Vol)
Signal Level (Voh)
Signal Level (Voh)
Duty Cycle
Signal
Load
Output Power @3,3V
Putput Power @ 5.0V
Harmonics
Tuning Range
Tuning Range
Linearity
Tuning Slope
Control Voltage Range
0.0
0.0
0.0
1.4
2.0
2.0
±3.0
±1.0
10%
Positive
2.8
4.0
4.0
VDC
VDC
with Vs=3.3V
with Vs=5.0V
with Vs=12.0V
2
5
50
5
8
8
11
-30
Fixed OCXO; No adjust
±8
±2.5
ppm
ppm
with AT cut crystal
with SC cut crystal
2.4
3.5
45
55
Sine Wave
Ω
dBm
dBm
dBm
50 Ω load
50 Ω load
50 Ω load
%
15
0.4
0.5
VDC
HCMOS
pF
VDC
with Vs=3.3V and 15pF Load
with Vs=5.0V & 12V and 15pF Load
with Vs=3.3V and 15pF Load
with Vs=5.0V & 12V and 15pF Load
@ (Voh-Vol)/2
Frequency Tuning (EFC)
Option
5
@ 10MHz
with SC
Cut
@ 10MHz
with AT
Cut
Reference Voltage output (Vref )
Reference Voltage
2.75
3.92
4.9
2.8
4.0
5.0
2.85
4.08
5.1
-90
-120
-140
-145
-150
-75
-105
-130
-140
-150
14
Handling & Processing Note
VDC
VDC
VDC
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
g
with Vs = 3.3 VDC
with Vs = 5.0 VDC
with Vs = 12 VDC
1 Hz
10 Hz
100 Hz
1 kHz
10 kHz
1 Hz
10 Hz
100 Hz
1 kHz
10 kHz
Additional Parameters
Phase Noise
3
Phase Noise
3
Weight
Processing & Packing
Page 2 of 5
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Absolute Maximum Ratings
supply voltage (Vs)
Output Load
Operable Temperature Range
Storage Temperature Range
-55
-55
6.5
15.0
50
+85
+125
V
V
pF
°C
°C
with Vs=3.3 & 5.0 VDC
with Vs= 12 VDC
Outline Drawing / Enclosure
Pin Connections
OX-301
Height “H”
15
Pin Length “L”
N.A
1
2
3
4
5
6
Dimensions in mm
7
RF Output
Ground (Case)
Electronic Frequency Control Input (EFC)
Reference Voltage Output
Oven Control Output
Ground (Case)
Supply Voltage Input (VS)
Page 3 of 5
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Standard Shipping Method (OX-280)
Lage im Gurt
Position in tape
Pin 1
A
X
B
K
P
*bei W
≤ 24
mm
nur untere Lochreihe
∗by
W
≤
24 mm only lower hole line
Abwickelrichtung
Unwinding direction
Gurtunterseite
Tape buttom side
Gurtoberseite
Tape upper side
Enclosure Type
Typ OX-401
Tape Width W (mm)
44
Quantity per meter
37.5
Quantity per reel
280
Dimension P
32
Recommended Reflow Profile
Profile Feature
Average ramp-up rate (T
L
to T
P
)
Preheat
-Temperature Min T
Smin
-Temperature Min T
Smax
-Time (min to max) t
S
Pb-Free Assembly/
Sn-Pb Assembly
3°C/second max.
150°C
200°C
60-180 seconds
3°C/second max
217°C
60-150 seconds
max 260°C
Profile Feature
Time 25°C to Peak Temperature
Time maintained above
-Temperature (T
L
)
-Time (t
L
)
Pb-Free Assembly/
Sn-Pb Assembly
8 minutes max.
217°C
60-150 seconds
TSmax to TL -Ramp-up Rate
Time maintained above
-Temperature (T
L
)
-Time (t
L
)
Peak Temperature (T
P
)
Time within 5°C of actual Peak
Temperature (t
P
)
Ramp-down Rate
20-40 seconds
6°C/ second max
Note:
All temperatures refer to topside of the package, measured on the package body surface.
Page 4 of 5
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Ordering Information
OX - 280 0 - D A E - 258 0 - 10M0000000
Product Family
OX: OCXO
Frequency
Package
SMD version: 280
Frequency Control
0: No Tuning
1: ±1.0 to ±2.5ppm
2: ±3.0 to ±8.0ppm
Stability Code
108: ±10ppb
208: ±20ppb
258: ±25ppb
508: ±50ppb
107: ±100ppb
Temperature Range
E: -40°C to +85°C
J: -20°C to +70°C
Height
0: 15 mm
Supply Voltage
B: 12V
D: 5V
E: 3.3V RF Output Code
A: HCMOS
E: Sinewave
Notes:
1. Contact factory for improved stabilities or additional product options. Not all options and codes are available at all
frequencies.
2. Unless other stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency
control voltage, load, temperature (25°C).
3. Phase noise degrades with increasing output frequency.
4. Subject to technical modification.
5. Contact factory for availability.
For Additional Information, Please Contact
USA:
Vectron International
267 Lowell Road
Hudson, NH 03051
Tel: 1.888.328.7661
Fax: 1.888.329.8328
Europe:
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 7268.801.100
Fax: +49 (0) 7268.801.282
Asia:
Vectron International
1F-2F, No 8 Workshop, No 308 Fenju Road
WaiGaoQiao Free Trade Zone
Pudong, Shanghai, China 200131
Tel: 86.21.5048.0777
Fax: 86.21.5048.1881
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 8/2008
Page 5 of 5
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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