參數(shù)資料
型號： VFT14ASD18S5FREQ
廠商： VALPEY FISHER CORP
元件分類： OCXO, clock
英文描述： OCXO, CLOCK, 4.8 MHz - 180 MHz, HCMOS/TTL OUTPUT
文件頁數(shù)： 2/2頁
文件大小： 80K
代理商： VFT14ASD18S5FREQ
Specifications:
Parameter
Symb
Condition
Min
Typ
Max
Unit
Note
Absolute Maximum Ratings
Input Break
Down Voltage
Vcc
-0.5
7.0
V
Storage temper.
Ts
-40
85
°C
Control Voltage
Vc
-1
6
V
Electrical
Frequency
F
4.8
10.000
180
MHz
vs. Temp.
±50
ppb
See chart below
Frequency stability
F/F
vs. Supply
1
5
ppb/V
Aging
per day
per year
5E-10
1E-7
after 30 days
Allan Variance
.1s to 10s
1E-11
SSB Phase Noise
10 Hz
100 Hz
10 KHz
-120
-145
-160
dBc/Hz
Deteriorates by
20LogN for
higher freq
Retrace
After 30 minutes
±20
ppb
G-sensitivity
worst direction
±1.0
ppb/G
All
parameters
for
10
MHz
Input Voltage
Vcc
4.75
5.0
5.25
V
3.3V±5% optional
Input Current
Icc
steady state, 25°C
steady state, -30°C
start-up current
25/35
50/80
150/150
35/45
mA
5V/3.3 supply
Load
10KOhm//15pF
Warm-up time
τ
to 0.1ppm accuracy
15
25
s
35s at 3.3V supply
Output Waveform
3.3V HCMOS/TTL compatible
Sine wave available
Tristate Control
Logic “high” or floating – active; logic “l(fā)ow” – infinite impedance
Control voltage
Vc
0
4.1
V
Pull range
from nominal F
±0.5
±1
ppm
Deviation slope
Monotonic, posit
0.4
ppm/V
Setability
Vc0
@25°C, Fnom.
1.0
2.0
3.0
V
Environmental and Mechanical
Operating temp. range
-30°C to 70°C Standard, Other options – see chart below
Mechanical Shock
Per MIL-STD-202, 30G, 11ms
Vibration
Per MIL-STD-202, 5G to 2000 Hz
Soldering Conditions
Leads Temperature 260°C, for 10s, Max
Hermetic Seal
Leak rate less than 1x10-8 atm.ccm/s of helium, TO-8 only
Electrical Connections
Pin Out
Pin 1- Vc; Pin 7- Case, GND; Pin8 – Output; Pin 14 - Vcc
Creating a Part Number
VFT14AS
FREQUENCY, MHz
Temperature Range
Code
Specification
A
0°C to 50°C
B
-10°C to 60°C
C
0°C to 70°C
D
-20°C to 70°C
E
-30°C to 70°C
F
-40°C to 85°C
Temperature Stability
Code
Specification
17
1x10
-7
58
5x10
-8
28
2x10
-8
18
1x10
-8
59
5x10
-9
YZ
Yx10
-Z
Aging
Code
Specification
L
1x10
-9/Day
S
5x10
-10/Day
Supply Voltage
Code
Specification
5
5V ± 5%
3
3.3V ± 5%
Not all combinations are available.
Consult Factory.
S for sinewave
Rev 12/05
VFT14AS Series
Micro-miniature,
Evacuated CXO
75 South Street, Hopkinton, MA 01748
800-982-5737 508-435-6831 FAX 508 435-5289 www.valpeyfisher.com
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