DFAS7-KHYFREQN2 datasheet, PDF

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DFAS7-KHYFREQN2: DescriptionHCMOS Output Clock Oscillator, 2MHz Min, 52MHz Max; CategoryPassive components oscillator; File Size112KB，2 Pages; ManufacturerCTS; Environmental Compliance

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DFAS7-KHYFREQN2 Overview

HCMOS Output Clock Oscillator, 2MHz Min, 52MHz Max

DFAS7-KHYFREQN2 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Reach Compliance Code	unknown
Other features	TRI-STATE; ENABLE/DISABLE FUNCTION
Ageing	1 PPM/FIRST YEAR
maximum descent time	10 ns
Frequency Adjustment - Mechanical	NO
frequency stability	2%
Manufacturer's serial number	DFAS7-K
Installation features	SURFACE MOUNT
Maximum operating frequency	52 MHz
Minimum operating frequency	2 MHz
Maximum operating temperature	75 °C
Minimum operating temperature	-30 °C
Oscillator type	HCMOS
Output load	2 TTL, 15 PF
physical size	19.9mm x 12.9mm x 7.8mm
longest rise time	10 ns
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
Nominal supply voltage	5 V
surface mount	YES
maximum symmetry	55/45 %
Base Number Matches	1

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FREQUENCY CONTROL PRODUCTS

SURFACE MOUNT PRECISION TCXO

DFA S7-K (5 V) & DFA S7-L (3.3 V)

KEY FEATURES

7.62

1.27

19.9±0.1

2 to 52 MHz

Tight stability

Analogue temperature compensation

12.9±0.2

1.6

18.4

Pot in

10k

1.2

APPLICATIONS

SDH/Sonet/Microwave

Function

NC/Pot in/Vco

GND

Output

Vcc

H = 7.80 mm

H±0.15

Gnd

19.0

DFA S7

7.6

1.3

2.6

Option Y

PC board footprint

TYPE

Frequency Range

DFA S7-KH

2 to 52 MHz

5V±5%

≤

10 mA

≤

20 mA

≤

30 mA

DFA S7-KO

2 to 52 MHz

5V±5%

≤

5 mA

≤

20 mA

≤

30 mA

DFA S7-LH

2 to 45 MHz

3.2 V to 3.6 V

≤

5 mA

≤

15 mA

≤

20 mA

DFA S7-LO

2 to 45 MHz

3.2 V to 3.6 V

≤

5 mA

≤

15 mA

≤

20 mA

ELECTRICAL SPECIFICATIONS

supply voltage

supply current ( no load)

≤

25 MHz

≤

35 MHz

> 35 MHz

output load

duty cycle @ 2.5V (LH @ 1.65 V)

rise/fall times (10 to 90 %)

high/low levels or output amplitude

start-up

remarks

HCMOS 15 pF

clipped sine

HCMOS 15 pF

clipped sine

or 2 TTL

or 1 TTL

20kΩ//5 pF

≤

45/55...55/45 %

≤

45/55...55/45 %

≤

10 ns

≤

10 ns

≥

3.5 V/

≤

0.5 V

≥

2 V p-p

≥

2.7 V/

≤

0.2 V

≥

1.5 V p-p

≤

10 ms @ 4.75V

≤

10 ms @ 4.75V

≤

10 ms @ 3.2V

≤

10 ms @ 3.2V

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

FREQUENCY STABILITY

type

temperature

model

range

code

-10 to 60°C D1

-20 to 70°C

-30 to 75°C N2

-40 to 85°C E3

temperature

≤

±1

≤

±1

≤

±2

≤

±2

≤

±5

≤

±3

≤

±2

detailed tolerances [ ppm ]

stability versus:

Vcc range

load ± 10 %

≤

± 0.1

≤

± 0.1

ageing

≤

±1

all types

DFA S7-K

types

remarks

≤

± 0.1

≤

± 0.1

≤

±1

factory calibration if no trimming option

≤

± 1 ppm

ageing is 1

year at 25°C

DFA S7-L : Vcc range

≤ ±

0.3 ppm ( f

≥

30 MHz )

OPTIONS

external voltage control

internal trimmer

external potentiometer

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

10 kΩ

≥

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

ORDERING CODE

Example

TYPE

DFA S7-K/L

REVISION

type + option code + frequency + model code

DFA S7-KH 16.384 MHz E2

CHECKED

DATE

11.10.2002

PAGE

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