EMQN574T25-50.000-2/-30+85 datasheet, PDF

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EMQN574T25-50.000-2/-30+85: DescriptionCMOS Output Clock Oscillator, 50MHz Nom, SMD, 4 PIN; CategoryPassive components oscillator; File Size146KB，2 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/

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EMQN574T25-50.000-2/-30+85 Overview

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

EMQN574T25-50.000-2/-30+85 Parametric

Parameter Name	Attribute value
Objectid	145061125840
package instruction	SMD, 4 PIN
Reach Compliance Code	compliant
Ageing	1 PPM/YEAR
Frequency Adjustment - Mechanical	NO
frequency stability	2%
Installation features	SURFACE MOUNT
Number of terminals	4
Nominal operating frequency	50 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-30 °C
Oscillator type	CMOS
Output load	15 pF
Encapsulate equivalent code	DILCC4,.2,200
physical size	7.0mm x 5.0mm x 2.5mm
Maximum supply voltage	2.625 V
Minimum supply voltage	2.375 V
Nominal supply voltage	2.5 V
surface mount	YES
maximum symmetry	45/55 %

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EURO

QUARTZ

CMOS TCXO 7 x 5mm

Low current consumption, CMOS TCXO

Quick turnaround, low-cost TCXO

Standard 5.0 x 7.0mm SMD package

Supply voltage 2.5V or 3.3 VDC

Member of the QuikXO family of products

DESCRIPTION

EMQN574T series TCXOs are packaged in a standard, 7.0 x 5.0mm

outline, SMD package. With squarewave (CMOS) output, tolerance is

from ±1.0ppm over -40° to +85°C. The part has low supply current,

24mA typical at 50MHz.

SPECIFICATION

Product Series Code

TCXO:

VCTCXO:

Frequency Range:

Supply Voltage:

Output Logic Levels:

Output Waveform:

Phase jitter rms (12kHz to 20MHz):

Initial Calibration Tolerance:

Frequency Stability

vs. Temperature:

-30° to +85°C:

-40 to +85°C:

vs.

Ageing:

Voltage Change:

Load Change:

Reflow (SMD type):

EMQN574T

VEMQN574T

10.0MHz to 245MHz

+2.5VDC±5% or

+3.3Volts ±5%

Logic High: 90% Vdd min.

Logic Low: 10% Vdd max.

Squarewave, LVCMOS

0.8ps typical

±2.0ppm at +25°±2°C

EMQN574T

10MHz to 245MHz

EMQN574T - OUTLINES AND DIMENSIONS

Rise/Fall Times:

Duty Cycle:

Start-up Time:

Output Load:

Current Consumption Vdd +2.5V

at 50MHz:

24mA typical

at 125MHz:

28mA typical

at 200MHz:

30mA typical

Current Consumption Vdd +3.3V

at 50MHz:

26mA typical

at 125MHz:

30mA typical

at 200MHz:

34mA typical

Current with output disabled:

18mA typical

Start-up Time:

5ms max.

Phase Jitter rms (12kHz to 20MHz):

0.8ps typ., 1.0ps max.

Phase Jitter rms (1.875MHz to 20MHz): 200fs max.

PART NUMBERS

Example:

±2.0ppm standard

±1.0ppm available

±2.5ppm standard

±1.0ppm available

±1.0 ppm max. per year 25°C

±0.2 ppm max. ±5% change

±0.2 ppm max. ±10% change

±1.0ppm max. for one reflow

and measured after 24 hours.

1.5ns typ. 10% to 90% wavef.

50%±5% standard,

5ms typical, 10ms max.

15pF

VEMQN574T VOLTAGE CONTROL SPECIFICATION

Control Voltage Centre & Range: +1.5V±1.0V

for both +2.5V and 3.3V supplies

Frequency Pulling Range:

±8 ppm min.

Slope Polarity:

Positive

Linearity:

Input Impedance:

Harmonics:

±1% typical ±10% max.

770k typical

-5.0dBc max.

SSB PHASE NOISE and PHASE JITTER DATA

(Typical VDD = +3.3V, V Control = 0.0V) dBc/Hz

Frequency

10Hz Offset

100Hz

1kHz

96MHz

-71

-96

-114

-124

-127

-134

-153

-154

-156

0.85

192MHz

-56

-91

-108

-119

-122

-128

-151

-153

-152

0.77

_EMQN574T33-50.000-2.5/-30+85

10kHz

100kHz

Series Description

TCXO = EMQN574T

VCTCXO = VEMQN574T

Supply Voltage Code

3.3V = 33

2.5V = 25

Frequency (MHz)

Stability over OTR (±ppm)

Operating Temperature Range (OTR) (°C)

(

1MHz

5MHz

10MHz

20MHz

Phase Jitter ps

12kHz - 20MHz rms

Page 1 of 2

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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