CFPO-11: SMD Micro High Stability OCXO
ISSUE 3; 1 SEPTEMBER 2001
Description
■
Outline in mm - Package 25AS
4 5 6 7
1
22.0
2
3
25.0
14.0 max
Pad connections
1. Frequency control
2. Ref. voltage
3. +Vs
4. RF output
5. Oven alarm
6. N/C
7. GND
Micro high stability surface mount OCXO
Package Outlines
■
25.0 x 22.0 x 14.0mm (25AS)
25.0 x 22.0 x 11.5mm (25LP)
■
Supply Options
■
Standard: 5V (5)
Option: 3.3V (3.3), 9V (9), 12V (12)
■
Solder pad layout
■
10.0, 12.8, 13.0, 16.384, 20.0, 26.0MHz
17.80
7.62
Standard Frequencies
4.0
5.08
7.62
5.08
22.0
Frequency Range
■
4.096 to 40.0MHz
All tolerance ±0.2mm
Input Current @5V (Power Consumption)
■
Warm up: <2.5W
In steady state @ +25°C <1.5W (calm air)
Outline in mm - Package 25LP
■
Warm Up Time @25°C (typical)
■
<± 1 x 10
–8
after 5 minutes @ 25°C
22.0
1
2
3
25.0
Retrace after 24 hours off
■
<± 1 x 10
–8
after 60 minutes
7
6
5
4
Output Compatibility (Standard)
■
HCMOS
Pad connections
1. Frequency control
2. Ref. voltage
3. +Vs
4. RF output
5. Oven alarm
6. N/C
7. GND
Frequency Stability Vs Supply Voltage Change
(±5%) and Load Change (1 to 2 HCMOS)
■
< ± 5
x
10
-9
11.5
Frequency Control Linearity
■
Solder pad layout
7.62
4.0
5.08
7.62
5.08
22.0
OCXOs
< 10%
17.80
Environmental Specification (non-operating)
■
Storage Temperature Range: –55 to 90°C
Shock: 50g for 11ms
All tolerance ±0.2mm
■
■
Vibration: 10g for 10 to 500Hz
Marking Includes
■
Model number (including options)
Frequency
Serial number
Date code (Year/Week)
■
■
■
Europe Tel: +44 (0)1460 270200
Americas Tel: +1 919 941 9333
Asia
Tel: +86 755 8826 5991
Fax: +44 (0)1460 72578
Fax: +1 919 941 9371
Fax: +86 755 8826 5990
Website: www.cmac.com
Electrical Specification
Operating
Stability
Temperature
within
Range*
Temperature
Range (pk-pk)
0 to 70°C
0 to 70°C
0 to 70°C
<2
x10
-8
<5
x10
-8
<2
x10
-7
Long Term Stability @ 25°C
after 30 days operation
Per Day
<±5
x10
-10
<±1
x10
-9
<±3
x10
-9
Per Month
<±1.5
x10
-8
<±3
x10
-8
<±8
x10
-8
Per Year
<±5
x10
-8
<±1.5
x10
-7
<±5
x10
-7
Frequency
Adjustment
from 0 to V
ref(**)
>±6
x10
-7
>±6 x10
-7
>±2 x10
-6
Phase Noise (Typical Figures)
Output
Frequency
@ 10MHz
@ 10MHz
@ 26MHz
@ 10Hz
–115 dBc/Hz
–110 dBc/Hz
–105 dBc/Hz
@ 1kHz
–145 dBc/Hz
–145 dBc/Hz
–140 dBc/Hz
CFPO-11A1
CFPO-11A2
CFPO-11B1
Model
Number
Ordering Example
Model (CFPO-11 A1) (CFPO-11 A2) (CFPO-11 B1)
Package Outline (25AS) (25LP)
Supply Voltage (3.3) (5) (9) (12)
Frequency (MHz)
CFPO-11 A2 25AS-15 10.0MHz
*Please note: Extended Operating Temperature Ranges may be available on request, please contact our sales office for further details.
(**) V Ref = Volyage reference 4.0±0.2V with 5V and 12V supply
2.8±0.1V with 3.3V supply
External Frequency Adjustment
Manual freq. adjust.
Settability < 1 x 10-8
REF
20k
Fine manual freq. adjust.
Settability <1 x 10-10
REF
20k
1k
Freq. control voltage and manual adjust
Ext. freq. control voltage
OUT
IFC
GND
OUT
IFC
GND
OUT
IFC
GND
REF
10k
20k
V in
OUT REF NC
V in
IFC
GND
All potentiometers must be 10 turns type with temperature coefficient 50ppm/°C
Europe Tel: +44 (0)1460 270200
Americas Tel: +1 919 941 9333
Asia
Tel: +86 755 8826 5991
Fax: +44 (0)1460 72578
Fax: +1 919 941 9371
Fax: +86 755 8826 5990
Website: www.cmac.com
OCXOs
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