VFT5V Series
VCXO
Surface Mount FR4
Features
•
•
•
•
•
•
•
•
Frequency range of 200MHz to 1.00 GHz
Very Low Phase Jitter and Phase Noise
Excellent Frequency Stability
Low Aging, Vacuum sealed Crystal
Complementary Output Standard
Enable/Disable Standard
Surface Mount FR4 package
Available as an XO, see VFT5C Series
Applications
•
•
•
Optical Networking,
SONET/SDH
10 Gbit Ethernet
Frequency Translation
V cc
5V
82 O hm
82 O hm
6
Vc
1
2
En/D is
3
120 O hm
D UT
4
5
O U TPUT
O U TPUT
120 O hm
GND
SMD Reflow Profile
250
Temperature, °C
200
150
100
50
0
0
BS
20
40
60
80
100
120
140
160
O
Time, s
O
Code
5
3
VFT5V
—
Input Voltage
Specification
5V ±5%
3.3V ±5%
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
Rev_C1208
1
LE
T
Recommended Soldermask Layout
Dimensions may require altering for manufacturing process
variations. Dimensions in ( ) are millimeters.
How to Order
—
FREQUENCY, MHz
Temperature Range
Code
Specification
A
-10°C to 60°C
B
0°C to 70°C
C
-40°C to 85°C
E
VFT5V Series
VCXO,
Surface Mount FR4
Specifications
Parameter
Input Break
Down Voltage
Storage temp.
Contr. Voltage
Symb
Vcc
Ts
Vc
F
Vcc
Icc
ΔF/F
Condition
Min
-0.5
-55
-1
200
4.75
3.15
5.00
3.30
Typ
Max
7.0
85
9
1,000
5.25
3.45
75
±50
Unit
V
°C
V
MHz
V
Std
LV
Note
Absolute Maximum Ratings
Electrical
Frequency
range
Input Voltage
Input Current
Frequency
Stability
Load
Duty cycle
Rise/Fall time
Logic "1" level
Logic "0" level
Start up time
Phase jitter
SSB Phase
Noise
@100 Hz
@1 KHz
@10 KHz
@100 KHz
fm
@Vc=2.5V
O
Vc
Vc=0V to
5V,25°C
Vc=0V to
3.3V,25°C
Over all
0
0
±100
Pin #1- Voltage Control
Pin #3 - Case, Gnd
Pin #5 - Complementary Output
Subharmonics
Modulation
BW
Input
Impedance
Control
voltage
Deviation
fm < 10KHz
LE
T
-85
-115
-125
-135
-55
>10KHz
dBc/Hz
-52
dB
> 50Kohm
5
3.3
V
ppm
ppm
ppm/V
+10
3.0
2.05
%
V
100
ns
50 Ohm Load
mA
ppm
±20
vs. Temperature
ppm/V
±3
vs. Vcc
ppm/year
±1
aging
50 Ohm to Vcc-2V or Thevenin Equiv. Bias Required
@50%
45
50
55
%
Tr/Tf
20 to 80 %
0.6
ns
Voh
Vcc-0.96
Vcc-0.81
V
Vol
Vcc-1.85
Vcc-1.65
V
Ts
2
10
ms
1
ps
1σ
BS
O
Environmental and Mechanical
Electrical Connections
Pin Out
Absolute
±30
Usable pull
range
Deviation
Monotonic,
50
slope
positive
Linearity
-10
Vc0
@25°C, Fnom.
2.0
2.5
Setability (Vc
1.25
1.65
for center
freq.)
Enable/disable
Input HIGH (>2.5V):
DISABLED
Function
Input LOW (<0.5V) or floating: ACTIVE
Enable/disable
Te/Td
Time
Operating temp. 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 Vcc -8 atm.cc/s of helium (crystal only)
Notes: 1. Up to 100 ppm available at 5x10= 5V
Pin #2 - Negative Enable (internal pulldown)
Pin #4 - Output
Pin # 6 - Vcc
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
Rev_C1208
2
E
First Year
fj>1KHz,
also valid for 50 KHz to
80 Mhz
@-3db
Std
LV
Up to 100ppm available at
Vcc
Std
LV
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