VF494-1.0MHZ [CTS]
Oscillator, 1MHz Min, 50MHz Max, 1MHz Nom,;
| 型号： | VF494-1.0MHZ |
| 厂家： | 
CTS |
| 描述： | Oscillator, 1MHz Min, 50MHz Max, 1MHz Nom, |
| 文件： | 总1页 (文件大小：21K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
VF4 9 4
V C X O
VF494
8 Pin DIP VCXO
HCMOS/TTL Compatible
A P P L I C AT I O N S
Pa ra m e te r
Input Break
Down Voltage
Storage Temp.
Control Voltage
Sy m b
Co n d itio n
Min
Ty p
Ma x
Un it
N o te
Networking equipment, portable
electronics, PLL applications,
high speed video imaging
Vcc
–0.5
7.0
V
Ts
–40
–1
+85
9
°C
V
Vc
F E AT U R E S
Frequency
Range
F
1.0
50
MHz
ppm
• Low Cost
Frequency
Stability
∆F/ F
vs. Temp., Vcc
Max load
±25
• Standard Footprint
• Small Size
Input Voltage
Vcc
Icc
4.75
3.15
5.00
3.30
5.25
3.45
V
Std.
LV Opt.
Input Current
Load
35
mA
@20MHz
10 TTL gates or 15pF MAX
VF494
27.000MHZ
BO1H
Duty Cycle
@0.5Vcc
40
50
60
8
%
Rise/ Fall Time
Logic “1” Level
Logic “0” Level
Start–up Time
Phase Jitter
Tr/ Tf
Voh
Vol
Ts
ns
Loaded
Loaded
0.9Vcc
0.1Vcc
0.238" MAX
(6,05mm)
2
10
1
ms
ps
1σ, F<45MHz
@Vc = 2.5V
fm<10KHz
fj>1KHz
@–3db
Modulation BW
Input Impedance
Control Voltage
10
50
KHz
KOhm
V
.160" MIN
(4,06mm)
GLASS STANDOFFS
ø0.0180" ± 0.002"
(4,57mm ± 0,051mm)
Vc
Vcc = 5V
Vcc = 3.3V
0.0
0.0
2.50
1.65
5.00
3.30
0.495"
(12,6mm)
Deviation Slope
Monotonic,
positive
50
100
ppm/ V Vcc = 5.00
Vcc = 3.30
#1
#8
#4
Linearity
±15
%
Pullability
±100
ppm
0.495"
(12,6mm)
0.300"
(7,6mm)
Setability (Vc
for center freq)
Vc0
@25°C, Fnom.
0°C to +70°C
2.00
1.25
2.50
1.65
3.00
2.05
V
Vcc = 5.0V
Vcc = 3.3V
#5
Operating
Temperature Range
0.300"
(7,6mm)
Mechanical Shock
Thermal Shock
Vibration
Per MIL–STD–202, Method 213, Cond. E
Per MIL–STD–883, Method 1011, Cond. A
Per MIL–STD–883, Method 2007, Cond. A
260°C, for 10s, Max.
All dimensions are typical unless otherwise specified.
Creating a Part Number
Soldering Conditions
Hermetic Seal
Pin Out
FREQ.
VF494
Leak rate less than 5 x 10–8 atm.cc/ s of helium
ABSOLUTE PULL RANGE (ppm)
Pin #1–Voltage Control
Pin #5–Output
Pin #4–Ground, Case
Pin #8–Vcc
Code
Specification
±50 ppm MIN. (std.)
INPUT VOLTAGE
Code
L
Specification
3.3 Volt ±5%
XXX
up to 200 ppm MAX.
(customer specified)
5.0 Volt ±5% (std.)
All specifications are subject to change without notice.
LEAD CONFIGURATION
Code
GR
Specification
Gull Wing
8
1
5
4
G
Gull Wing
8
1
5
4
Through Hole (std.)
Example: VF494L-G-XXX-27MHz: Input Voltage 3.3 Volt ±5%, Lead
Configuration Gull Wing, Absolute Pull Range up to 200 ppm max.
83
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com
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