Datasheet > DFAS7-KHZAFREQC2

DFAS7-KHZAFREQC2

更新时间： 2023-06-15 00:00:00

品牌	Logo	应用领域
西迪斯 - CTS		/
页数	文件大小	规格书
2页	111K
描述
HCMOS Output Clock Oscillator, 2MHz Min, 52MHz Max

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DFAS7-KHZAFREQC2 数据手册

FREQUENCY CONTROL PRODUCTS

S U R F A C E M O U N T P R E C I S I O N T C X O

D F A S 7 - K ( 5 V ) & D F A S 7 - L ( 3 . 3 V )

19.9±0.1

KEY FEATURES

2 to 52 MHz

Tight stability

Pot in

10k

1.6

Analogue temperature compensation

APPLICATIONS

18.4

19.0

H = 7.80 mm

Gnd

SDH/Sonet/Microwave

Option Y

Function

DFA S7

NC/Pot in/Vco

GND

PC board footprint

Output

Vcc

2.6

TYPE

DFA S7-KH

DFA S7-KO

DFA S7-LH

DFA S7-LO

Frequency Range

2 to 52 MHz

2 to 45 MHz

ELECTRICAL SPECIFICATIONS

supply voltage

5 V ± 5 %

≤ 10 mA

≤ 20 mA

≤ 30 mA

5 V ± 5 %

≤ 5 mA

3.2 V to 3.6 V

≤ 5 mA

3.2 V to 3.6 V

≤ 5 mA

supply current ( no load)

≤ 25 MHz

≤ 35 MHz

> 35 MHz

≤ 20 mA

≤ 30 mA

≤ 15 mA

≤ 20 mA

HCMOS 15 pF

or 2 TTL

clipped sine

HCMOS 15 pF

or 1 TTL

clipped sine

output load

20kΩ//5 pF

duty cycle @ 2.5V (LH @ 1.65 V)

rise/fall times (10 to 90 %)

high/low levels or output amplitude

start-up

≤ 45/55...55/45 %

≤ 10 ns

≤ 45/55...55/45 %

≤ 10 ns

≥ 3.5 V/ ≤ 0.5 V

≤ 10 ms @ 4.75V

≥ 2 V p-p

≥ 2.7 V/ ≤ 0.2 V

≤ 10 ms @ 3.2V

≥ 1.5 V p-p

≤ 10 ms @ 4.75V

≤ 10 ms @ 3.2V

remarks

duty cycle for frequencies > 30 MHz is 40/60%…60/40%

FREQUENCY STABILITY

type

detailed tolerances [ ppm ]

temperature

range

model

code

stability versus:

temperature

≤ ± 1

Vcc range

load ± 10 %

ageing

-10 to 60°C D1

-20 to 70°C

≤ ± 1

all types

≤ ± 0.1

≤ ± 1

≤ ± 2

-30 to 75°C N2

≤ ± 2

≤ ± 5

DFA S7-K

types

-40 to 85°C

≤ ± 0.1

≤ ± 1

≤ ± 3

≤ ± 2

factory calibration if no trimming option ≤ ± 1 ppm

ageing is 1^styear at 25°C

DFA S7-L : Vcc range ≤ ± 0.3 ppm ( f ≥ 30 MHz )

remarks

OPTIONS

external voltage control

CODE

DFA S7-K : 2.5 V ± 2 V ≥ ± 5 ppm, positive slope

DFA S7-L : 1.5 V ± 1.5 V ≥ ± 5 ppm, positive slope

≥ ± 5 ppm

internal trimmer

external potentiometer

10 kΩ ≥ ± 5 ppm, between pin 1 and GND (not available with internal trimmer)

ORDERING CODE

type + option code + frequency + model code

Example

DFA S7-KH 16.384 MHz E2

TYPE

DFA S7-K/L

REVISION

CHECKED

DATE

11.10.2002

PAGE

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