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参数资料
| 型号： | DFA14-KHYFREQ2E3 |
| 厂商： | FORDAHL SA |
| 元件分类： | XO, clock |
| 英文描述： | TCXO, CLOCK, 30 MHz - 52 MHz, HCMOS OUTPUT |
| 封装： | MINIATURE, DIP-4 |
| 文件页数： | 1/1页 |
| 文件大小： | 20K |
| 代理商： | DFA14-KHYFREQ2E3 |
FREQUENCY CONTROL PRODUCTS
web site : http://www.fordahl.com
LOW COST M I NI A T URE DI L 14 P A CK A G E TCXO
TYPES DFA 14-K (5 V) & D F A 14-L (3.3 V)
STANDARD MINIATURE DIL 14 PACKAGE
WIDE TEMPERATURE RANGE
HIGH FREQUENCY STABILITY
Option Y
Function
DFA 14
NC/Pot in/Vco
1
GND
7
Output
8
Vcc
14
H = 8.50 mm
TYPE
DFA 14-KH
DFA 14-KO
DFA 14-LH
DFA 14-LO
Frequency Range
2 to 52 MHz
2 to 39 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
5 V ± 5 %
3.2 V to 3.6 V
supply current ( no loa)d
≤ 25 MHz
≤ 10 mA
≤ 5 mA
≤ 35 MHz
≤ 20 mA
≤ 15 mA
> 35 MHz
≤ 30 mA
≤ 20 mA
HCMOS 15 pF
clipped sine
HCMOS 15 pF
clipped sine
output load
or 2 TTL
20k
//5 pF
or 1 TTL
20k
//5 pF
duty cycle @ 2.5V (LH @ 1.65 V)
≤ 45/55...55/45 %
rise/fall times (10 to 90 %)
≤ 10 ns
high/low levels or output amplitude
≥ 3.5 V/ ≤ 0.5 V
≥ 2 V p-p
≥ 2.7 V/ ≤ 0.2 V
≥ 1.5 V p-p
start-up
≤ 10 ms @ 4.75V
≤ 10 ms @ 3.2V
remarks
duty cycle for frequencies > 30 MHz is 40/60%…60/40%
FREQUENCY STABILITY
detailed tolerances [ ppm ]
temperature
model
stability versus :
type
range
code
temperature
Vcc range
load ± 10 %
ageing
-10 to 60°C
D1
≤ ± 1
C1
≤ ± 1
-20 to 70°C
C2
≤ ± 2
all types
-30 to 75°C
N2
≤ ± 2
≤ ± 0.1
≤ ± 1
E5
≤ ± 5
E3
≤ ± 3
DFA 14-K types -40 to 85°C
E2
≤ ± 2
≤ ± 0.1
≤ ± 1
factory calibration if no trimming option
≤ ± 1 ppm
ageing is 1
st year at 25°C
remarks
DFA S7-L : Vcc range
≤ ± 0.3 ppm ( f ≥ 30 MHz )
OPTIONS
CODE
DFA 14-K : 2.5 V ± 2 V
≥ ± 5 ppm, positive slope
external voltage control
V
DFA 14-L : 1.5 V ± 1.5 V
≥ ± 5 ppm, positive slope
internal trimmer
A
≥ ± 5 ppm
external potentiometer
Y
10 k
≥ ± 5 ppm (not available with internal trimmer)
ORDERING CODE
type + option code + frequency + model code
Example
DFA 14-KHAV 8.192 MHz E2
10k
Pot in
Gnd
12
.7
±
0
.1
20.3± 0.1
H±
0
.1
7.
6
2
15.24
PIN 1
0.45
6.
3
0.
75
±
0
.1
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