VFT14A
OCXO Ultra Low Power
DIL14 Compatible, CMOS / SINE
Features
RoHS Status
Extremely Low Power Consumption (<100 mW)
± 5ppb Stability over 0°C to 50°C
Compact DIL-14 Package (20.32 x 14.0mm)
30 second Warm-up Time
Applications
Portable Wireless Communications
Battery Powered Systems and Equipment
GPS
Instrumentation
SARSAT Beacons
Not recommended for new designs. Please see VFOV400 and VFOV500
Electrical Specifications
Parameter
Frequency
Range
Symbol
F
Vs. Operating Temperature
Vs. Supply Voltage
Vs. Aging / Day
Vs. Aging / Year
Operating
Temperature
Range
Allan
Variance
SSB Phase
Noise
Retrace
G-sensitivity
Supply
Current
Supply
Voltage
Icc
Vcc
T
0°
0°
-20°
-40°
0.1s to 10s
10Hz
100Hz
10KHz
After 30 minutes
Worst Direction
Steady state, 25C
Steady state, -30C
Start-Up
4.75
3.13
25/35
70/100
100/150
5.00
3.3
1 x 10
-11
-120
-145
-160
± 20
± 1.0
35/45
5.25
3.46
dBc/Hz
ppb
ppb/G
mA
V
5V / 3.3V
Deteriorates
by 20LogN for
higher freq.
Condition
Min
4.8
± 50
±1
0.5
100
+50°
+70°
+70°
+85°
Typ
Max
180
Unit
MHz
ppb
ppb/V
ppb
ppb
°C
See How to
Order Chart
After 30 days
See How to
Order Chart
for all options
Note
Frequency
Stability
∆F/F
±5
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevC1007
1
VFT14A
OCXO Ultra Low Power
DIL14 Compatible, CMOS / SINE
Electrical Specifications
Parameter
Output
Waveform/Load
Warm-up Time
Power
Consumption
Control Voltage
Deviation slope
Setability
Pull Range
Symbol
Condition
Sine
CMOS/TTL
To 0.1 ppm
accuracy
Steady State @ 25C
0
Monotonic, Positive
Vco
25°C
From nominal F
1.0
± 0.5
2.0
±1
Min
Typ
Max
50 Ohm Load
10KOhm / 15pF
35
40
125/115 175/149
4.1
Unit
s
mW
V
Note
5.0V
3.3V
5.0V / 3.3V
P
Vc
0.4 ppm/V typical
3.0
V
ppm
How to Order
VFT14A
Temperature Range
Code
A
B
C
D
E
F
Specification
0°C to 50°C
-10°C to 60°C
0°C to 70°C
-20°C to 70°C
-30°C to 70°C
-40°C to 85°C
FREQUENCY, MHz
S for Sinewave
Temperature Stability
Code
17
58
28
18
59
Specification
100 ppb
50 ppb
20 ppb
10 ppb
5 ppb
Aging
Code
L
S
Specification
1.0 ppb/day
0.5 ppb/day
Supply Voltage
Code
5
3
Specification
5V ± 5%
3.3V ± 5%
Available Frequency Stabilities over Operating Temperature Ranges
Code
A
B
D
G
Temperature Range
0°C to 50°C
0°C to 70°C
-20°C to 70°C
-40°C to 85°C
50 ppb
∗
∗
∗
∗
20 ppb
∗
∗
∗
10 ppb
∗
∗
5 ppb
∗
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevC1007
2
VFT14A
OCXO Ultra Low Power
DIL14 Compatible, CMOS / SINE
Absolute Maximum Ratings
Parameter
Supply
Break Down
Voltage
Storage
Temperature
Control
Voltage
Symbol
Vcc
Ts
Vc
Condition
Min
-0.5
-40
-1
Typ
Max
+7.0
+85°
6
Unit
V
°C
V
Note
Environmental and Mechanical
Parameter
Mechanical Shock
Vibration
Soldering Conditions
Hermetic Seal
Specification
Per MIL-STD-202, 30G, 11ms
Per MIL-STD-202, 5G to 2000Hz
260°C for 10s max
Leak rate less than 1x10
-8
atm.ccm/s of helium, TO-8 only
Vcc
Vc
0.1K
Vref
14
1
8
2
7
Output
10K
Pin Connections
Pin #
1
2
7
8
14
Connection
Vc
Vref
GND
Output
Vcc
Outline Drawing
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevC1007
3
模拟电子
