MINIATURE SURFACE MOUNT VCXO
DFV S2-KHZ (5 V) & DFV S2-LHZ (3.3 V)
KEY FEATURES
5.3±0.1
7.2±0.2
5.08
2 to 52 MHz
± 20 ppm overall stability available
Encapsulated crystal
APPLICATIONS
Sonet/SDH/Switching
Function
V control
N/C or Enable/Disable
GND
Output
N/C or Enable/Disable
Vcc
0.9
3.2±0.2
5.08
DFV S2
1
2
3
4
5
6
6
1
5
2
4
3
2.4
PC board footprint
1.4
TYPE
Frequency Range
DFV S2-KHZ
2 to 52 MHz
5V±5%
≤
15 mA
≤
35 mA
25 pF up to 25 MHz, 15 pF above
45/55...55/45 % @ 50% level
10 to 90 % :
≤
5 ns
≥
4.5 V/
≤
0.5 V
high or open = enable, low = high Z
≤
10 ms @ 4.75 V
DFV S2-LHZ
2 to 52 MHz
3.3 V ± 5 %
≤
10 mA
≤
25 mA
15 pF
45/55...55/45 % @ 50% level
10 to 90 % :
≤
5 ns
≥
2.8 V/
≤
0.3 V
high or open = enable, low = high Z
≤
10 ms @ 3.15 V
ELECTRICAL SPECIFICATIONS
supply voltage
supply current (no load)
≤
25 MHz
> 25 MHz
output load (HCMOS)
duty cycle
rise/fall times (@ 15 pF load)
high/low levels
tri-state control (pin 2) (pin 5 N/C)
start up
FREQUENCY STABILITY
type
DFV S2-KHZ
temperature
range
0 to 70°
C
-40 to 85°
C
DFV S2-LHZ
0 to 70°
C
-40 to 85°
C
model
code
100XB20
100XB25
100XE50
90XB20
90XB25
90XE50
tolerances [ ppm ]
overall stability
≤
± 20
≤
± 25
≤
± 50
≤
± 20
≤
± 25
≤
± 50
pulling range
≥
± 100
≥
± 100
≥
± 90
function
positive
control voltage
2.5 V ± 2.5 V
positive
2.0
1.65 V ± 1.65 V
remarks
input impedance
≥
10 kΩ
includes calibration @ 25° temperature, ageing, Vcc and load changes
C,
st
ageing is 1 year at 25°
C
CODE
Z5
high or open = enable, low = high Z (pin 2 N/C)
OPTIONS
tri-state control on pin 5
ORDERING CODE
Example
type + option code + frequency + model code
DFV S2-LHZ 34.368 MHz 90XB20
DFV_S2-KH_LH
These products and their specifications are subject to change without notice
25.10.2010 / PIK