CFPO-6: Miniature OCXO
ISSUE 3; 1 SEPTEMBER 2001
Description
Miniature SC Cut OCXO (CFPO-6 A)
Miniature AT Cut OCXO (CFPO-6 B)
Package Outlines
■
Marking Includes
■
Model number (including options)
Frequency
Serial number
Date code (Year/Week)
■
■
■
25.4 x 25.4 x 12.7mm (25)
20.7 x 20.7 x 10.5mm (20)
Outline in mm - Package 25
25.4SQ
Pin Function
1. Output signal
2. Mechanical ground
and (–) supply
3. Input frequency control
4. Output ref. voltage
5. Input supply (+)
■
Supply Option
■
Standard: 5V (5)
Optional: 3.3V (3.3) , 12.0V (12)
■
Standard Frequencies
■
4
19.05
Bottom View
5
10.0, 12.8, 13.0, 16.384,19.440, 20.0, 26.0, 38.88MHz
Frequency Ranges
■
3
9.52
2
9.52
1
4.0960 to 26.0MHz (CFPO-6 A1, -B1)
8.0 to 38.880MHz (CFPO-6 A2, -B2)
■
All tolerances ±0.2mm
Power Consumption
■
Warm up: < 2.5W
@ 25°C: <1.0W (calm air)
12.7
■
0.5
20.7 SQ max
Pin Function
1. Voltage supply
2. RF output
3. Ground 0V/case
4. EFC input
5. Not used
Warm Up Time @25°C (typical)
■
0.8±0.05
< ± 1 x 10
–7
after 5 minutes (calm air)
Output Compatibility
■
Standard: HCMOS (C)
Outline in mm - Package 20
Frequency Stability Vs Supply Voltage Change
(±5%) and Load Change (1 to 2 HCMOS)
■
< ± 5
x
10
-9
(CFPO-6A, CFPO-6B)
Phase Noise @ 10.0MHz (CFPO-6A typical)
15.2
■
4
5
Bottom View
10Hz <–120dBc/Hz
100Hz < –140dBc/Hz
1kHz <–145dBc/Hz
10kHz <–150dBc/Hz
OCXOs
■
3
7.6
2
7.6
1
■
■
Environmental Specification (non-operating)
■
Storage temperature: –55°C to 90°C
Shock: 50g for 11ms
Vibration: 10g for 10 to 500Hz
10.5 max
■
0.5
■
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
5.0
Website: www.cmac.com
5.0
All tolerances ±0.2mm
Electrical Specification
Operating Stability within
Temperature Temperature
Range*
Range pk to pk
–20 to 70°C
–20 to 70°C
–20 to 70°C
–20 to 70°C
Ordering Example
Model
Package Outline (25) (20)
Output Signal (C)
Supply Voltage (5) (3.3) (12)
Frequency (MHz)
*Please note: Extended Operating Temperature Ranges may be available on request, please contact our sales office for further details.
** Voltage Reference +5.0V with +12V power supply
+4.0V with +5V power supply
+2.8V with +3.3V power supply
<2
x
10
-8
<5x10
-8
<1x10
-7
Long Term Stability @ 25°C
after 30 days operation
Per Day
<±1x10
-9
<±2x10
-9
<±1x10
-9
Per Month
<±3x10
-8
<±5x10
-8
<±3x10
-8
Per Year
<±1.5x10
-7
<±3x10
-7
<±1.5x10
-7
Frequency
Adjustment
from OV to Vref (**)
>±1x10
-6
>±1x10
-6
>±4x10
-6
Model Number
Package
CFPO-6
A1
CFPO-6
A2
CFPO-6
B1
CFPO-6
B2
25
20
or
25
<2x10
-7
<±3x10
-9
<±8x10
-8
<±5x10
-7
>±4x10
-6
CFPO-6 A2 25-C 3.3 10MHz
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
Microcontroller MCU
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