DFA20-MHVFREQE3/5 datasheet, PDF

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DFA20-MHVFREQE3/5: DescriptionHCMOS Output Clock Oscillator, 25MHz Min, 40MHz Max; CategoryPassive components oscillator; File Size137KB，1 Pages; ManufacturerCTS; Environmental Compliance

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DFA20-MHVFREQE3/5 Overview

HCMOS Output Clock Oscillator, 25MHz Min, 40MHz Max

DFA20-MHVFREQE3/5 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	CTS
Reach Compliance Code	unknown
Other features	SUPPLY VOLTAGE 5 TO 15 V POSSIBLE
Ageing	1 PPM/FIRST YEAR
Maximum control voltage	4.5 V
Minimum control voltage	0.5 V
maximum descent time	10 ns
Frequency Adjustment - Mechanical	NO
Frequency offset/pull rate	5 ppm
frequency stability	3%
Manufacturer's serial number	DFA20
Installation features	THROUGH HOLE MOUNT
Maximum operating frequency	40 MHz
Minimum operating frequency	25 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	HCMOS
Output load	2 TTL, 15 PF
physical size	20.3mm x 20.3mm x 9.7mm
longest rise time	10 ns
Nominal supply voltage	5 V
surface mount	NO
maximum symmetry	60/40 %

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FREQUENCY CONTROL PRODUCTS

HIGH STABILITY SMALL SIZE TCXO

DFA 20

OPTIONAL EXTERNAL VOLTAGE CONTROL

VERY HIGH OVERALL STABILITY

20.3±0.1

7.62 7.62

STANDARD PACKAGE

LOW AGEING

1

15.24

2

3

Option Y

Pot in

5

4

10k

Vcc

Output

GND

GND/Pot in/Vco

GND

1

2

3

4

5

5.1 9.7±0.1

0.45

TYPE

Frequency Range (MHz)

DFA 20-H

1 to 27

DFA 20-MH

25 to 40

DFA 20-S

4 to 27

0.4±0.1

Function

DFA 20

Gnd

DFA 20-O

1 to 27

ELECTRICAL SPECIFICATIONS

supply voltage

supply current ( no load)

≤

25 MHz

> 25 MHz

5 to 15 V ± 5 %

≤

7 mA

≤

30 mA

HCMOS 15 pF or 2 TTL

≤

40/60...60/40 %

≤

10 ns

≥

3.5/

≤

0.5 V

≤

10 ms

5 to 15 V ± 5 %

≤

20 mA

≤

30 mA

Sine 50

Ω

± 10 %

5 to 15 V ± 5 %

≤

7 mA

≤

10 mA

clipped sine

20 kΩ//5 pF

≥

2 V p-p

≤

10 ms

output load

duty cycle @ 2.5 V

rise/fall times

high/low levels or output amplitude

start-up

0 dBm ± 2 dB

≤

10 ms

FREQUENCY STABILITY

types

temperature

range

0 to 50°C

-10 to 60°C

model

code

A0.5

D1

C1

-20 to 70°C

C2

-30 to 75°C N2

-40 to 85°C E3

temperature

≤

± 0.5

≤

±1

≤

±1

≤

±2

≤

±2

≤

±3

detailed tolerances [ ppm ]

stability versus :

Vcc ± 5 %

load ± 10 %

ageing

all types

≤

± 0.1

≤

± 0.1

≤

±1

remarks

Factory calibration if no trimming option

≤

± 1 ppm

ageing is 1

st

year at 25°C

OPTIONS

external voltage

internal trimmer

external potentiometer

CODE

V

A

Y

2.5 ± 2 V

≥

± 5 ppm , positive slope

≥

± 5 ppm

10 kΩ

≥

± 5 ppm (not available with internal trimmer)

ORDERING CODE

Example

type + option code + frequency + model code/ voltage value

DFA 20-HA 12.288 MHz N2/5

TYPE

DFA 20

REVISION

01

CHECKED

JYA

DATE

24.01.2002

PAGE

57

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