FREQUENCY CONTROL PRODUCTS
MINIATURE SMD TCXO
TYPE DFA S3-KS / LS / US
1.5
CRYSTAL PACKED INTO ITS OWN HOLDER
7.1±0.1
5.08
TRUE SINE WAVE OUTPUT
TIGHT STABILITIES
LOW PROFILE
1.4
9.0±0.2
1.8±0.15
Function
V control / GND
GND
Output
Vcc
DFA S3
1
2
3
4
2.2
4
5.08
PC board footprint
3
6.0
1
2
1.6
TYPE
Frequency Range
DFA S3-KS
10 to 20 MHz
DFA S3-LS
10 to 20 MHz
DFA S3-US
10 to 20 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
supply current ( no load)
output load
high/low levels or output amplitude
harmonics
spurious
start-up
5V ±5%
≤
2 mA
sine wave 10 kΩ//10 pF
≥
1.0 V p-p
≤
-25 dBc
≤
-70 dBc
≤
10 ms @ 4.75 V
3.3 V ± 5 %
≤
2 mA
sine wave 10 kΩ//10 pF
≥
1.0 V p-p
≤
-25 dBc
≤
-70 dBc
≤
10 ms @ 3.15 V
3.0 V ± 5 %
≤
2 mA
sine wave 10 kΩ//10 pF
≥
1.0 V p-p
≤
-25 dBc
≤
-70 dBc
≤
10 ms @ 2.85 V
FREQUENCY STABILITY
type
all types
Remarks
temperature
range
0 to 70°C
-20 to 70°C
-30 to +75°C
model
code
B0.5
C1.5
N2.5
temperature
≤
± 0.5
≤
± 1.5
≤
± 2.5
detailed tolerances [ ppm ]
stability versus :
Vcc ± 5 %
load ± 10 %
≤
± 0.3
≤
± 0.3
ageing is 1 year at 25°C
st
ageing
≤
±1
calibration
@ 25°C
≤
±1
OPTIONS
voltage control (positive slope )
CODE
V
≥
± 5ppm,
≤ ±
15 ppm
2.5 V ± 2 V
≥
± 5 ppm,
≤ ±
15 ppm
1.65 V ± 1.35 V
≥
± 5 ppm,
≤ ±
15 ppm
1.5 V ± 1.0V
ORDERING CODE
Example
IMPORTANT NOTE
type + option code + frequency + model code
DFA S3-KSV 19.44 MHz N2.5
IF NO CTRL VOLTAGE OPTION PIN 1 HAS TO BE GROUNDED
TYPE
DFA S3
REV
02
DATE
13.10.2001
CHECKED
NE/MYP
1
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