FREQUENCY CONTROL PRODUCTS
MINIATURE DIL 14 PACK AGE VC-TCXO
TYPES DFAV 14-K (5 V) & DFAV 14-L (3.3 V)
STANDARD MINIATURE DIL 14 PACKAGE
20.3± 0.1
5 V OR 3.3 V SUPPLY VOLTAGE
HIGH FREQUENCY STABILITY
WIDE PULLING RANGE
PIN 1
15.24
12.7± 0.1
7.62
Function
V control
GND
Output
Vcc
DFAV 14
1
7
8
14
H = 8.5 mm
6.3
0.45
TYPE
Frequency range
DFAV 14-KH
2 to 52 MHz
DFAV 14-KO
2 to 52 MHz
DFAV 14-LH
2 to 39 MHz
0.75± 0.1
H± 0.1
DFAV 14-LO
2 to 39 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
supply current (no load)
≤
25 MHz
≤
35 MHz
> 35 MHz
5V±5%
≤
10 mA
≤
20 mA
≤
30 mA
HCMOS 15 pF or
2 TTL
≤
45/55...55/45 %
≤
10 ns
≥
3.5 V/
≤
0.5 V
5V±5%
≤
5 mA
≤
20 mA
≤
30 mA
clipped sine
20kΩ//5 pF
3.2 V to 3.6 V
≤
5 mA
≤
15 mA
≤
20 mA
HCMOS 15 pF or
1 TTL
≤
45/55...55/45 %
≤
10 ns
≥
2.7 V/
≤
0.2 V
3.2 V to 3.6 V
≤
5 mA
≤
15 mA
≤
20 mA
clipped sine
20kΩ//5 pF
output load
duty cycle
@ 2.5V
@ 1.65V
rise/fall times (10 to 90 %)
high/low levels or output amplitude
start up
remarks
≥
2 V p-p
≥
1.5 V p-p
≤
10 ms @4.75 V
≤
10 ms @4.75 V
≤
10 ms @3.2V
≤
10 ms @3.2V
duty cycle for frequencies > 30 MHz is 40/60%…60/40%
FREQUENCY STABILITY
types
all types
temperature
range
-10 to 60°C
-20 to 70°C
model
code
40D1
40C2
detailed tolerances [ ppm ]
stability versus:
pulling range
temp.
@ 25°C
Vcc range load ± 10 %
ageing
positive function
≤
±1
≤
±1
≤
± 0.2
≤
± 0.3
≤
±1
≥
± 40
≤
±2
control voltage range: DFAV 14-K/ 2.5 V ± 2 V, DFAV 14-L/ 1.5 V
±
1.5 V
input impedance
≥
10 kΩ
temperature stability is guaranteed @ 2.5 V control voltage
st
ageing is 1 year at 25°C
remarks
OPTIONS
internal trimmer
CODE
A
≥ ±
5ppm
ORDERING CODE
Example
type + frequency + model code
DFAV 14-KH 19.440 MHz 40D1
web site :
http://www.fordahl.com