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參數(shù)資料
| 型號： | DFAVS7-KOZFREQ40D1 |
| 廠商： | FORDAHL SA |
| 元件分類： | XO, clock |
| 英文描述： | TCVCXO, CLIPPED SINE OUTPUT, 2 MHz - 50 MHz |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 26K |
| 代理商： | DFAVS7-KOZFREQ40D1 |
FREQUENCY CONTROL PRODUCTS
web site : http://www.fordahl.com
SUR F A C E MOUNT LOW PO W E R VC -T C X O
T YPES DF A V S7-KHZ (5 V) & DFA V S7-L H Z ( 3 . 3 V )
RECOMMENDED FOR NEW DESIGNS
SURFACE MOUNTABLE PACKAGE
5 V OR 3.3 V SUPPLY VOLTAGE
WIDE PULLING RANGE
LOW AGEING
Function
DFAV S7
V control
1
GND
2
N / C
3
Output
4
Vcc
5
E / D
6
TYPE
DFAV S7-KHZ
DFAV S7-KOZ
DFAV S7-LHZ
DFAV S7-LOZ
Frequency Range
2 to 50 MHz
2 to 45 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
5 V ± 5 %
3.3 V ± 5 %
supply current ( no load)
≤ 25 MHz
≤ 20 mA
≤ 10 mA
≤ 35 MHz
≤ 30 mA
≤ 15 mA
> 35 MHz
≤ 40 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 @ 3.15V
tri-state control on pin 6
High or open = enable, low = high Z
Remarks
duty cycle for frequencies > 30 MHz is 40/60%…60/40%
FREQUENCY STABILITY
detailed tolerances [ ppm ]
temperature
model
stability versus:
pulling range
Types
range
code
temp.
@ 25°C
Vcc range
load ± 10 %
ageing
positive function
-10 to 60°C
40D1
≤ ± 1
all types
-20 to 70°C
40C2
≤ ± 2
≤ ± 1
≤ ± 0.2
≤ ± 0.3
≤ ± 1
≥ ± 40
control voltage range: DFAV S7-K / 2.5 V ± 2 V, DFAV S7-L/ 1.5 V
± 1.5 V
input impedance
≥ 10 k
temperature stability is guaranteed @ 2.5 V control voltage
Remarks
ageing is 1
st year at 25°C
OPTIONS
CODE
internal trimmer
A
≥ ± 5 ppm
ORDERING CODE
type + option code + frequency + model code
Example
DFAV S7-KHZ 19.440 MHz 40D1
19.0
1.
3
2.6
1
2
3
4
12
.9
±
0
.2
19.9± 0.1
7.
8±
0
.1
18.4
7.
6
2
1.
2
1.
2
7
7.
6
2
1.6
5
6
PC board footprint
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