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參數(shù)資料
| 型號(hào)： | VF194-1-50-FREQ |
| 廠商： | VALPEY FISHER CORP |
| 元件分類(lèi)： | XO, clock |
| 英文描述： | VCXO, CLOCK, 1.5 MHz - 160 MHz, HCMOS/TTL OUTPUT |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大小： | 23K |
| 代理商： | VF194-1-50-FREQ |
VCXO
VF194/294 Series
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
90
Creating a Part Number
VF194/294
FREQUENCY STABILITY
Code
Specification
S
±20
ppm
(std.)
ABSOLUTE PULL RANGE (ppm)
Code
Specification
XXX
Specify Deviation MIN.
DUTY CYCLE
Code
Specification
H
±5%
±10% (std.)
INPUT VOLTAGE
Code
Specification
L
3.3 Volt
±5%
5.0 Volt
±5% (std.)
OPERATIONAL TEMP. RANGE
Code
Specification
0
°C to +70°C (std.)
1
-40
°C to +85°C
(MAX.
±100 PPM)
FREQ.
Example: VF194-1-100-77.76MHz: Frequency Stability
±25ppm, Duty Cycle
±10%, Input Voltage 5.0 Volt ±5%, Operating Temperature -40°C to +85°C,
Absolute Pull Range (ppm)
±100min. Output Tristate Control Pin #5,
Frequency 77.76MHz.
VF194/VF294 Series
HCMOS/TTL Hybrid VCXO
Surface Mount Ceramic Package
Tristate Output Standard
FEATURES
Very Low Phase Jitter
Industrial Temperature Range
High Reliability
Wide Frequency Range
Miniature Package
3.3V supply available
0.303"
(7,7mm)
VF294
155.520MHz
BO1H
12
3
65
4
0.206"
(5,2mm)
0.200"
(5,08mm)
0.090"
(2,29mm)
0.045"
(1,143mm)
0.100"
(2,54mm)
0.050"
(1,27mm)
Parameter
Symb
Condition
Min
Typ
Max
Unit
Note
Input Break
Vcc
–0.5
7.0
V
Down Voltage
Storage Temp.
Ts
–55
+125
°C
Control Voltage
Vc
–1
9
V
Frequency
Range
F
1.5
160
MHz
Frequency
F/F
vs. Temp., Vcc
±25
ppm
Stability
Input Voltage
Vcc
4.75
5.00
5.25
V
Standard
3.15
3.30
3.45
LV Opt.
Input Current
Icc
No load
30
mA
1
Load
Duty Cycle
@1.4V
40
50
60
%
2
Rise/Fall Time
Tr/Tf
20% to 80%
6
ns
5
0.4V to 2.4V
4
Logic “1” Level
Voh
Max Load
0.9Vcc
V
Logic “0” Level
Vol
Max Load
0.1Vcc
V
Start–up Time
Ts
2
10
ms
Phase Jitter
1
σ, F<52 MHz
1
ps
fj>1KHz
1
σ, F>52 MHz
20
Modulation BW
fm
@Vc = 2.5V
10
KHz
@–3db
Input Impedance
fm<10KHz
50
KOhm
Control Voltage
Vc
Vcc = 5.0V
0
5.0V
V
4
Vcc = 3.3V
0
3.3V
Absolute
APR
Overall
±50
ppm
3
Pull Range
Deviation Slope
Monotonic,
50
ppm/V
positive
Linearity
±20
%
Setability (Vc
Vc0
@25°C,
2.00
2.50
3.00
V
Vcc = 5.0V
for center freq)
Fnominal
1.25
1.65
2.05
Vcc = 3.3V
Tristate
Function
Enable/
100
ns
Disable Time
Operating
Temperature Range
0°C to +70°C (–40°C to +85°C available)
Mechanical Shock
Per MIL–STD–202, Method 213, Cond. E
Thermal Shock
Per MIL–STD–883, Method 1011, Cond. A
Vibration
Per MIL–STD–883, Method 2007, Cond. A
Soldering Conditions
230°C, for 90s, Max.
Hermetic Seal
Leak rate less than 5 x 10–8 atm.cc/s of helium
Pin Out
Pin #1–Voltage Control
Pin #2–N/C (194) Tristate (294)
Pin #3–Ground, Case
Pin #4–Output
Pin #5–Tristate (194), N/C (294) Pin #6–Vcc
10 TTL gates or 50pF
Notes:
1. Current is frequency and load dependent.
2. Tighter duty cycle available.
3. ±100ppm available at some frequencies. ±32ppm for some
frequencies at 3.3V is the only option.
4. 0–5V control voltage available for Vcc 3.3V. Nominal control
voltage is 2.5V and setability is ±0.5V in this case.
5. For higher frequency Tr/Tf is shorter.
Absolute
Max.
Ratings
Electrical
Environmental and
Mechanical
Electrical
Connections
All dimensions are typical unless otherwise specified.
Input HIGH (>2.5V) or floating:
ACTIVE
Input LOW (<0.5V):
INFINITE IMPEDANCE
All specifications are subject to change without notice.
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