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Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
Oven Controlled Crystal Oscillators (OCXO’s)
OC-290
Performance Characteristics
Frequency: 10, 12.8, 16.384, 19.44, 20, 24.576, 20.48, 32.768, 38.88, 40 and 77.76 MHz
Available from 2 MHz to 80 MHz
Package Size: 25.4 x 22.0 x 10.5 mm (1.0” x 0.9” x 0.42”)
Supply Voltage (Vdd): C = 5 Vdc +
5% D = 3.3 Vdc +5%
(Other supply voltages are available upon request)
Supply Current: <5W peak at turn-on, <1.25W stabilized @ 25
o
C (Temp Range B & D)
<5W peak at turn-on, <1.5W stabilized @ 25oC (Temp Range F)
Output Type: HCMOS, LVHCMOS
Sinewave +0 dBm / 50 ohm
10 TTL
Standard Stability Options: B - 508 = +
5x10
-8
over 0
o
C to +50oC
B - 758 = +
7.5x10
-8
over 0
o
C to +50oC
Note: Not all stabilities are *B - ST3 = Stratum 3 over 0
o
C to +50oC
available with all frequency/output D - 758 = +7.5x10
-8
over-20oC to +70oC
combinations. Please consult factory. D - 107 = +1.0x10
-7
over -20oC to +70oC
*D -ST3 = Stratum 3 over -20
o
C to +70oC
F -107 = +
1.0x10-7over -40oC to +85oC
*F -ST3 = Stratum 3
over -40
o
C to +85oC
F -507 = +
5.0x10-7over -40oC to +85oC
*STRA
TUM 3 per GR-1244-CORE Table 3-1
Total Stability: <4.6 x 10
-6
for all causes and 10 years
vs. Holdover: <3.2 x 10
-7
for all causes and 24 hours
vs. Temperature: <2.8 x 10
-7
peak to peak
Stability vs. Supply: <5 pb for a 1% change in Supply Voltage
Aging:
A: 1 x 10-8/day, 2x10-6/year C: 1 x 10-9/day, 3x10-7/year
B: 3 x 10-9/day, 1x10-6/year N: PTR Stratum 3
Electrical Frequency Adjust: 10 x 10-6typical range (with Aging A or B)
2 x 10-6typical range (with Aging C) (with F; no frequency adjustment)
Initial Accuracy @ +25oC: +
1.5 ppm max after reflow
Characteristic
Parameter
Description:
Small SMD OCXO with tight stability.
AT and SC-cut versions available.
Features
• 5 MHz, 10 MHz, 13 MHz standard.
Other frequencies available from 2 to 80 MHz
• Stability as low as ±5 x 10
-8
over 0°C to 50°C
• Aging: 1 x 10-9per day
• Package: 25.4 x 22 x 10.5 mm
• Supply voltage: +3.3 or +5.0 V
8798_AA's Vectron 05/30/02 3:11 PM Page 44
查询OC-290-CAB-508AA-10.0供应商
Page 2
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
45
Oven Controlled Crystal Oscillators (OCXO’s)
Pad Layout
0.1
(2.5)
0.1
(2.5)
1.0±.01
(25.4±0.2)
0.03
R
(O
.75)
4
soldering pods
1
1
2
3
5
4
2
3
.70±.01
(17.8±0.2)
0.87±.01
(22±0.2)
0.41
max (10.5)
Foot pr
for PCB D
0.93
(23.5
1 Control voltage VC
2 Reference voltage output V
REF
3 Supply voltage V
B
4 RF-output
5 Ground, case
Recommended Soldering Profile
Ordering Information
OC
Temperature Range
B - 508 = +5x10
-8
over 0
o
C to +50oC
B - 758 = +
7.5x10
-8
over 0
o
C to +50oC
*B - ST3 = Stratum 3
over 0
o
C to +50oC
D - 758 = +
7.5x10-8over-20oC to +70oC
D - 107 = +
1.0x10-7over -20oC to +70oC
*D -ST3 = Stratum 3 over -20
o
C to +70oC
F -107 = +
1.0x10-7over -40oC to +85oC
*F -ST3 = Stratum 3
over -40
o
C to +85oC
F -507 = +
5.0x10-7over -40oC to +85oC
Frequency
2 MHz to 80 MHz
290 AC C 508 C
10.0
Product Family
OC = OCXO
Package
290 = 25.4X22 mm
SMD package
Input
C = 5.0V +5%
D = 3.3V +5%
Output
A = HCMOS, LVHCMOS
B = 10 TTL
G = Sinewave
MHz
A
Outline Drawing
Pin Out Information
OC-290
OCXO
Aging
A = 1 x 10-8/day, 2 x 10-6/year
B = 3 x 10
-9
/day, 1 x 10-6/year
C = 1 x 10
-9
/day, 3 x 10-7/year
N = PTR Stratum 3
Electrical Frequency Adjust
A: 10 x 10-6typical range (with Aging Aor B) or
2 x 10
-6
typical range (with Aging C)
F: Fixed frequency. See initial accuracy.
8798_AA's Vectron 05/30/02 3:11 PM Page 45
Foot print
for PCB Design
0.93
(23.5)
0.16
(4)
0.14
(3.5)
.70
(17.8)
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