FREQUENCY CONTROL PRODUCTS
D I L 1 4 M I N I A T U R E O C X O
T Y P E S D F O 1 4 - K H ( 5 V ) & D F O 1 4 - L H ( 3 . 3 V )
20.3±0.1
FEATURES
15.24
PIN 1
10 to 30 MHz
Small size and tight stability
APPLICATIONS
Instrumentation, reference
Function
DFO 14
N.C. or V. control
1
H = 8.8 mm
GND
Output
Vcc
7
8
14
0.45
TYPE
DFO 14-KH
DFO 14-LH
Frequency Range
Standard frequencies
10 to 30 MHz
12.8, 16.384, 19.44 & 20 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
5 V ± 5 %
3.3 V ± 5 %
supply current (no load) @ 25°C
supply current during warm up
≤ 250 mA
≤ 500 mA
≤ 300 mA
≤ 800 mA
output load
HCMOS 15 pF or 2 TTL
40/60...60/40 %
≤ 10 ns
HCMOS 15 pF or 2 TTL
40/60...60/40 %
≤ 10 ns
duty cycle @ 2.5 V
rise & fall times (10 to 90%)
high/low levels
≥ 4.5 V/≤ 0.5 V
≥ 2.7 V/≤ 0.5 V
SSB phase noise (1 Hz BW)
(typical @ 12.8MHz)
@ 10 Hz
@ 100 Hz
1kHz
@ 10 kHz
@100kHz
-95 dBc/Hz
-120 dBc/Hz
-140 dBc/Hz
-145 dBc/Hz
-150 dBc/Hz
-95 dBc/Hz
-120 dBc/Hz
-140 dBc/Hz
-145 dBc/Hz
-150 dBc/Hz
@
warm up time to reach ≤ 1 x 10E-7
≤ 5 min @ 25°C ref @ 1 hr frequency
≤ 5 min @ 25°C ref @ 1 hr frequency
FREQUENCY STABILITY
detailed tolerances
temperature
range
model
code
stability versus :
Calibration
@ 25°C
type
temperature
≤ ± 1 x 10E-7
≤ ± 1 x 10E-7
≤ ± 2 x 10E-7
ageing/day
ageing/ 1st year
short term
≤ 2 x 10E-7
-20 to 70°C
-20 to 70°C
-20 to 70°C
C1727
C1757
C2757
≤ 1.5 x 10E-8
≤ 1 x 10E-10
≤ ± 0.5 x 10E-6
≤ 5 x 10E-7
≤ 5 x 10E-7
DFO 14
≤ 1 x 10E-8 for Vcc ± 5 %
stability versus supply voltage
OPTIONS
CODE
external voltage
V
2.5 V ± 2.25 V ≥ ± 2 ppm, positive slope 1.65 V ± 1.5 V ≥ ± 2 ppm, positive slope
ORDERING CODE
type + option code + frequency + model code + voltage value
Example
DFO 14-LH 20 MHz C1727
TYPE
DFO 14-KH/LH
REVISION
02
CHECKED
NE
DATE
13.12.2005
PAGE
xx