Data Sheet

VFOV202
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Features



RoHS Status
5MHz to 250MHz Frequency Range
High Stability ( up to 5ppb over -40~+85°C )
Sine Wave or HCMOS output
Applications





PLL reference for Telecommunication Systems
Stratum 3E clock systems
Base station reference source
GPS holdover
Instrumentation / Test and Measurement
Electrical Specifications
Parameter
Frequency
Range
Frequency
Stability
Operating
Temperature
Range
Allan Variance
Symbol
Condition
Min
F
∆F/F
5
Vs. Supply Voltage
±1
ppb
Ref. Vcc typ.
Vs. Aging / Day
Vs. Aging / Year
0.5
0.1
ppb
ppm
after 30 days
0.2ppb available
C
STD option shown.
See “How to Order”
Chart below
-30
worst direction
P
Warm up time
τ
MHz
STD option shown.
See “How to Order”
Chart below
G-sensitivity
Power
Consumption
250
Note
ppb
Retrace
Vcc
Unit
 10
1s
10Hz
100Hz
1KHz
10KHz
100KHz
After 30 min.
Supply Voltage
Max
Vs. Operating Temp.
E: -30C to +70C
T
SSB Phase
Noise
Typ
+70
10e-12
-125
-143
-150
-158
-160
11.4
4.75
3.10
steady state, 25C
steady state, -30C
start-up
to 0.1ppm accuracy
12.0
5.0
3.3
1.0
2.0
3.2
2
For 10MHz
Oscillator
dBc/Hz
(For 100MHz see
plot next page)
10
ppb
1
12.6
5.25
3.50
1.2
2.2
3.5
3
ppb/g
V
W
min
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
1
VFOV202
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Electrical Specifications
Parameter
Symbol
Condition
Min
HCMOS/TTL
HCMOS / TTL
Output
Levels
VH
Vcc = 5 or 12V
Vcc=3.3V
Typ
3.9
2.4
Sine-Wave
Output
Levels
45
Vcc=5 or 12V
+6
RL
+8
Frequency <30Mhz
Frequency >30MHz
Vcc = 5 or 12V
Vcc=3.3V
None
Pull Range
from nominal F
0.5
Deviation slope
Monotonic, Positive
Control Voltage
Vc
Order Code H
0.4
V
10
ns
55
%
+10
dBm
50
Harmonics
Sub-Harmonics
Note
V
At 100MHz
Duty Cycle
Unit
10KOhm / 15pF
VL
Rise / Fall time
Max
0
0
Order Code S
Ω
-25
dBc
-40
dBc
4.3
2.8
V
1
ppm
0.4
ppm/
V
**Multiplied
fundamental
Vcc = 5 or 12V
4.19
4.3
4.41
V
Vcc=3.3V
2.73
2.8
2.87
** High frequency fundamental (up to 120MHz) available without sub-harmonics. Please refer to VFOV102.
Reference output
Vref
100MHz output with internal multiplied 20MHz fundamental Crystal
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
2
VFOV202
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Absolute Maximum Ratings
Parameter
Supply Break Down
Voltage
Control Voltage
Symbol
Condition
Min
Typ
Max
Unit
Vcc
-0.5
Vcc+20%
V
Vc
-1
9
V
Note
Environmental and Mechanical
Parameter
Storage Temperature
Specification
-60°C to +90°C
Hermetically Sealed
Humidity
Per MIL-STD-202, 30g, half sine, 11ms
Per MIL-STD-202, 10g swept Sine to 2000Hz
Mechanical Shock
Vibration
260C for 10s
Soldering Conditions
How to Order
Model
VFOV202
-
Stability
Temperature Range
Supply Voltage
Aging
Output
W
D
E
C
H
Package Dimensions (mm)
VFOV202
27 x 35
Code
R
T
U
V
W
Code
A
B
C
D
E
G
Specification
0°C to 50°C
0°C to 70°C
-10°C to 60°C
-20°C to 70°C
-30°C to 70°C
-40°C to 85°C
Specification
-7
1x10
-8
5x10
-8
2x10
-8
1x10
-9
5x10
Code
C
D
G
Code
D
E
B
Per
day
1ppb
0.5ppb
0.2ppb
Specification
5V ± 5%
3.3V± 5%
12V ± 5%
-
Frequency, MHz
10
Per
year
0.1ppm
50ppb
30ppb
Code
H
S
Specification
HCMOS
Sinewave
Available Frequency Stabilities over Operating Temperature Ranges
Stability
Order
Code
Temperature
Range
A
0°C to 50°C




B
0°C to 70°C




◊
C
-10°C to 60°C





1x10
-7
5x10
-8
2x10
-8
1x10
-8
5x10
-9

D
-20°C to 70°C




◊
E
-30°C to 70°C




◊
G
-40°C to 85°C

◊ Only available below 30MHz



◊
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
3
VFOV202
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Package
VFOV202
Pin #
1
Connection
Vc
2
3
4
5
Vref
Vcc
Output
GND
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
4