18G42C-80M-50.000 datasheet, PDF

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18G42C-80M-50.000: DescriptionCMOS/TTL Output Clock Oscillator, 50MHz Nom, SMD, 4 PIN; CategoryPassive components oscillator; File Size110KB，2 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/; Environmental Compliance

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18G42C-80M-50.000 Overview

CMOS/TTL Output Clock Oscillator, 50MHz Nom, SMD, 4 PIN

18G42C-80M-50.000 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	1215421636
package instruction	SMD, 4 PIN
Reach Compliance Code	compliant
Maximum control voltage	1.8 V
Minimum control voltage
maximum descent time	6 ns
Frequency Adjustment - Mechanical	NO
Frequency offset/pull rate	80 ppm
frequency stability	100%
linearity	10%
Installation features	SURFACE MOUNT
Nominal operating frequency	50 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-10 °C
Oscillator type	CMOS/TTL
Output load	2 TTL, 15 pF
physical size	11.4mm x 9.6mm x 2.5mm
longest rise time	6 ns
Maximum supply voltage	1.89 V
Minimum supply voltage	1.71 V
Nominal supply voltage	1.8 V
surface mount	YES
maximum symmetry	60/40 %

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EURO

QUARTZ

11.4 x 9.6 x 2.5mm 4 pad SMD

Industry-standard 11.4 x 9.6 x 2.5mm 4 pad SMD package

Frequency range 625kHz to 50.0MHz

CMOS/TTL Output

Supply Voltage 1.8, 2.5, 3.3 or 5.0VDC

Integrated Phase Jitter 1ps maximum

DESCRIPTION & APPLICATIONS

G42 VCXO

625.0kHz ~ 50.0MHz

Page 1 of 2

G42 VCXOs are packaged in an industry-standard 11.4 x 9.6 x 2.5mm,

4 pad SMD package. G series VCXOs use fundamental mode crystal

oscillators for low phase noise. Applications include phase lock loop,

SONET/ATM, set-top boxes, MPEG , audio/video modulation, video

game consoles, Fibre Channel, FPGAs, Data Acquisition and HDTV.

SUPPLY VOLTAGE-DEPENDENT SPECIFICATION

Input Voltage (Vdd):

Frequency Range*:

Output Waveform:

Initial Frequency Accuracy:

TTL:

Output Logic HIGH '1'

CMOS:

TTL:

Output Logic LOW '0'

Frequency Deviation Range:

Control Voltage Centre

Control Voltage Range:

GENERAL SPECIFICATION

Frequency Stability:

Frequency Change

vs. Input Voltage:

Input Voltage:

Output Load

TTL:

CMOS:

Rise/Fall Time

TTL:

CMOS:

Duty Cycle:

Integrated Phase Jitter:

Period Jitter RMS:

Period Jitter Peak to Peak:

Start-up time:

Current Consumption:

6ns max, 4ns typ. (0.4V to 2.4V)

6ns max, 4ns typ. (20%~80% Vdd)

50±10% standard, 50±5% option

1ps maximum (12kHz to 20MHz)

2.0ps typical

14ps

10ms max., 3ms typical

10 to 45mA, frequency dependant

(27MHz: 10mA typical at 3.3V,

20mA typical at 5.0VDC)

6% typical, 10% maximum

10kHz min., measured at Vcont =

1.65V or2.5V.

1MΩ typical

Monotonic and Positive, increasing

control voltage increases output

frequency.

±3ppm per year maximum

RoHS Compliant and lead (Pb) free

2TTL gates

15pF

CMOS:

Vdd = +1.8VDC ±5% Vdd = +2.5VDC ±5% Vdd = +3.3VDC ±5% Vdd = +5.0VDC ±10%

16.0MHz ~ 50.0MHz

TTL/CMOS

To tune to nominal fr.

with Vc=0.9±0.15V

----

1.62V (min.)

----

0.183V (max.)

Standard: ±80ppm

(min.)

0.9VDC

0V to 1.8V

0.625MHz ~ 50.0MHz

TTL/CMOS

To tune to nominal fr.

with Vc=1.25±0.2V

----

2.25V (min.)

----

0.25V (max.)

Standard: ±80ppm

(min.)

1.25VDC

025V to 2.25V

0.625MHz ~ 50.0MHz

TTL/CMOS

To tune to nominal fr.

with Vc=1.65±0.2V

2.4V (min.)

2.97V (min.)

0.4V (max.)

0.33 (max.)

Standard: ±80ppm

(min.)

1.62VDC

0.3V to 3.0V

1.0MHz ~ 50.0MHz

TTL/CMOS

To tune to nominal fr.

with Vc=2.5±0.2V

2.4V (min.)

4.5V (min.)

0.4V (max.)

0.5V (max.)

Std: ±80ppm (min.)

±200ppm available

2.5VDC

0.5V to 1.5V

OUTLINE & DIMENSIONS

±5ppm max. (V

±5%)

+1.8V±5%, +2.5V±5%,

+3.3V±5% or 5.0V±10%

Linearity:

Modulation Bandwidth:

Input Impedance:

Slope Polarity:

Ageing:

RoHS Status:

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk

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