DFO14-LHV19.44MHZC1757 datasheet, PDF

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DFO14-LHV19.44MHZC1757: DescriptionHCMOS/TTL Output Clock Oscillator, 19.44MHz Nom, MINIATURE PACKAGE-14/4; CategoryPassive components oscillator; File Size34KB，1 Pages; ManufacturerCTS; Environmental Compliance

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DFO14-LHV19.44MHZC1757 Overview

HCMOS/TTL Output Clock Oscillator, 19.44MHz Nom, MINIATURE PACKAGE-14/4

DFO14-LHV19.44MHZC1757 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	MINIATURE PACKAGE-14/4
Reach Compliance Code	compliant
Ageing	5 PPM/FIRST YEAR
Frequency Adjustment - Mechanical	NO
frequency stability	1%
Frequency Stability - Voltage	0.1 ppm
input power	0.99 W
Manufacturer's serial number	DFO 14-LH
Installation features	THROUGH HOLE MOUNT
Nominal operating frequency	19.44 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
Oscillator type	HCMOS/TTL
Output load	2 TTL, 15 pF
Oven power supply voltage	3.3V
physical size	20.3mm x 12.7mm x 8.8mm
Maximum supply voltage	3.465 V
Minimum supply voltage	3.135 V
Nominal supply voltage	3.3 V
surface mount	NO
Preheating power	2.64 W
Maximum warm-up time	5 Minute
Base Number Matches	1

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FREQUENCY CONTROL PRODUCTS

DIL 14 MINIATURE OCXO

TYPES DFO 14-KH (5 V) & DFO 14-LH (3.3 V)

FEATURES

PIN 1

20.3±0.1

15.24

10 to 30 MHz

7.62

Small size and tight stability

APPLICATIONS

Instrumentation, reference

Function

N.C. or V. control

GND

Output

Vcc

12.7±0.1

DFO 14

H±0.1

0.75±0.1

H = 8.8 mm

6.3

0.45

TYPE

Frequency Range

Standard frequencies

DFO 14-KH

10 to 30 MHz

12.8, 16.384, 19.44 & 20 MHz

DFO 14-LH

ELECTRICAL SPECIFICATIONS

supply voltage

supply current (no load) @ 25°C

supply current during warm up

output load

duty cycle @ 2.5 V

rise & fall times (10 to 90%)

high/low levels

SSB phase noise (1 Hz BW)

(typical @ 12.8MHz)

@ 10 Hz

@ 100 Hz

@ 1kHz

@ 10 kHz

@100kHz

5V±5%

≤

250 mA

≤

500 mA

HCMOS 15 pF or 2 TTL

40/60...60/40 %

≤

10 ns

≥

4.5 V/≤ 0.5 V

-95 dBc/Hz

-120 dBc/Hz

-140 dBc/Hz

-145 dBc/Hz

-150 dBc/Hz

≤

5 min @ 25°C ref @ 1 hr frequency

3.3 V ± 5 %

≤

300 mA

≤

800 mA

HCMOS 15 pF or 2 TTL

40/60...60/40 %

≤

10 ns

≥

2.7 V/≤ 0.5 V

-95 dBc/Hz

-120 dBc/Hz

-140 dBc/Hz

-145 dBc/Hz

-150 dBc/Hz

≤

5 min @ 25°C ref @ 1 hr frequency

warm up time to reach

≤

1 x 10E-7

FREQUENCY STABILITY

type

temperature

range

-20 to 70°C

stability versus supply voltage

model

code

C1727

C1757

C2757

temperature

≤

± 1 x 10 -7

detailed tolerances

stability versus :

ageing/day

ageing/ 1

year

≤

2 x 10

-7

≤

1.5 x 10

-8

≤

5 x 10 -7

short term

≤

1 x 10

-10

Calibration

@ 25°C

≤

± 0.5 x 10

-6

DFO 14

≤

± 1 x 10

-7

≤

± 2 x 10 -7

≤

5 x 10

-7

≤

1 x 10

-8 for Vcc ± 5 %

OPTIONS

external voltage

CODE

2.5 V ± 2.25 V

≥

± 2 ppm, positive slope

1.65 V ± 1.5 V

≥

± 2 ppm, positive slope

ORDERING CODE

Example

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

DFO 14-LH 20 MHz C1727

TYPE

DFO 14-KH/LH

REVISION

CHECKED

DATE

13.12.2005

PAGE

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