FREQUENCY CONTROL PRODUCTS
HIGH FREQUENCY SURFACE MOUNT VCXO
DFV S7-MH (5 V) & DFV S7-MLH (3.3 V)
19.9±0.1
STANDARD MINIATURE SMD PACKAGE
7.62
1.27
1.6
18.4
H±0.15
1.2
STANDARD OUTPUT DRIVE CAPABILITY
WIDE PULLING RANGE
H = 9.30 mm
12.9±0.2
Function
V control
GND
Output
Vcc
DFV S7
1
2
3
4
4
7.6
1.3
19.0
3
PC board footprint
1
2.6
2
TYPE
Frequency Range
DFV S7-MH
40 to 90 MHz
DFV S7-MLH
40 to 130 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
supply current (no load)
output load
duty cycle
rise/fall times (@ 15 pF load)
high/low levels
subharmonics and surious
start up
5V±5%
≤
50 mA
HCMOS 15 pF
40/60...60/40 % @ 50% level
10 to 90 % :
≤
5 ns
≥
4.5 V/
≤
0.5 V
≤
- 40 dBc
≤
10 ms @ 4.75 V
3.3 V ± 5 %
≤
50 mA
HCMOS 15 pF
40/60...60/40 % @ 50% level
10 to 90 % :
≤
5 ns
≥
2.8 V/
≤
0.3 V
≤
- 40 dBc
≤
10 ms @ 3.15 V
FREQUENCY STABILITY
temperature model
type
range
code
100B15
0 to 70°C
100B25
DFV S7- MH
100E25
-40 to 85°C
100E50
100B15
0 to 70°C
100B25
DFV S7- MLH
100E25
-40 to 85°C
100E50
remarks
temp.
≤
± 15
≤
± 25
≤
± 25
≤
± 50
≤
± 15
≤
± 25
≤
± 25
≤
± 50
detailed tolerances [ ppm ]
stability versus :
@ 25°C
Vcc
load
≤
± 10
≤
±3
≤
± 0.5
ageing
≤
±2
pulling range
positive function
≥
± 100
control
voltage
2.5 V
±
2 V
≤
± 10
≤
±3
≤
± 0.5
≤
±2
≥
± 100
1.5 V
±
1.5 V
input impedance
≥
10 kΩ
modulation bandwidth
≥
10 kHz @ -3dB
ageing is 1
st
year at 25°C
OPTIONS
control voltage
tighter symmetry (f
≤
80 MHz)
CODE
D
R
0.3 to 3.0 V, center @ 1.65 V (code placed into the model code : 100’’D’’B25)
45/55...55/45 %
ORDERING CODE
Example
TYPE
DFV S7-MH / MLH
REVISION
01
type + frequency + model code
DFV S7-MH 77.760 MHz 100B15
CHECKED
JYA
DATE
24.01.2002
PAGE
33
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