VEM572T28-125.000-1.0/0+50 datasheet, PDF

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VEM572T28-125.000-1.0/0+50: DescriptionCMOS Output Clock Oscillator, 1.25MHz Min, 156MHz Max, 125MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN; CategoryPassive components oscillator; File Size131KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/; Environmental Compliance

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VEM572T28-125.000-1.0/0+50 Overview

CMOS Output Clock Oscillator, 1.25MHz Min, 156MHz Max, 125MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN

VEM572T28-125.000-1.0/0+50 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Objectid	1153557422
package instruction	DILCC4,.2,200
Reach Compliance Code	compliant
Other features	SYMMETRY 55/45 ALSO AVAILLABLE
Ageing	1 PPM/FIRST YEAR
Maximum control voltage	2.5 V
Minimum control voltage	0.5 V
maximum descent time	10 ns
Frequency Adjustment - Mechanical	NO
Frequency offset/pull rate	5 ppm
frequency stability	1%
Installation features	SURFACE MOUNT
Number of terminals	4
Maximum operating frequency	156 MHz
Minimum operating frequency	1.25 MHz
Nominal operating frequency	125 MHz
Maximum operating temperature	50 °C
Minimum operating temperature
Oscillator type	CMOS
Output load	15 pF
Package body material	CERAMIC
Encapsulate equivalent code	DILCC4,.2,200
physical size	7.0mm x 5.0mm x 2.3mm
power supply	2.8 V
Certification status	Not Qualified
longest rise time	10 ns
Nominal supply voltage	2.8 V
surface mount	YES
maximum symmetry	60/40 %

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EURO

QUARTZ

CMOS 7 x 5 x 2.3mm SMD, MHz Range

Miniature 7 x 5 x 2.3mm SMD package

Wide frequency range: 1.25MHz to 156.0MHz

Supply voltage 2.8, 3.0, 3.3 or 5.0 Volts

Frequency stability from ±1ppm over -30 to +75°C

RoHS compliant

EM572T TCXO

1.25MHz to 156.0MHz

EM572T - OUTLINES AND DIMENSIONS

DESCRIPTION

EM572T series TCXOs are packaged in a miniature 4 pad ceramic

SMD package. With squarewave (CMOS) output, tolerances are

available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF

decoupling capacitor built in.

SPECIFICATION

Product Series Code

TCXO:

VCTCXO:

Frequency Range:

Output Waveform:

Initial Calibration Tolerance:

Standard Frequencies:

EM572T (EML572T >40MHz)

VEM572T (VEML572T >40MHz)

1.25MHz to 156.0MHz

Squarewave, HCMOS

<±2.0ppm at +25°±2°C

10.0, 12.8, 13.0, 14.4, 15.36,

16.384, 19.2, 19.440, 19.68,

25.0, 20.0, 27.0, 38.880,

40.0, 77.760, 125.0, 155.520

(

)

Operating Temperature Range:

Frequency Stability

vs. Ageing:

vs. Voltage Change:

vs. Load Change:

vs. Reflow (SMD type):

Supply Voltage:

Output Logic Levels:

Rise and Fall Times:

Duty Cycle:

Start-up Time:

Current Consumption:

Output Load:

Storage Temperature:

±1.0 ppm max. first year

±0.2 ppm max. ±5% change

±0.2 ppm max. ±10% change

±1.0ppm max. for one reflow

(

)

+2.8, +3.0, +3.3 or +5.0V

(

Logic High: 90% Vdd min.

Logic Low: 10% Vdd max.

10ns max.

50%±10% standard,

50%±5% option

10ms max.

15pF

-55~+125°C

VEM572T VOLTAGE CONTROL SPECIFICATION

Control Voltage:

Standard = +1.5±1.0Volts for all input

voltages.

±5 ppm (Vcon = +1.5±1.0V)

Positive

Frequency Deviation:

Slope Polarity:

Input Impedance:

1M minimum

Modulation Bandwidth: 20kHz minimum

FREQUENCY STABILITY

Frequency Stability (ppm)

0 ~ +50

±0.5

ASK

±1.0

ASK

±1.5

±2.0

±2.5

STDP

INPUT VOLTAGE & CURRENT CONSUMPTION

Input Voltage/

Frequency

8.192MHz

10.000MHz

24.576MHz

60.000MHz

150.00MHz

+2.8V

2mA

3mA

5mA

11mA

19mA

+3.0

+3.3V

2mA

4mA

6mA

14mA

23mA

+5.0 V

5mA

7mA

10mA

24mA

36mA

-10 ~ +60

Temperature

Range (°C)

-20 ~ +70

-30 ~ +75

-40 ~ +85

= available, x = not available, ASK = call Tech. Sales

STD = Standard

PART NUMBERING PROCEDURE

Example:

EM572T33-38.880-2.5/-30+75

SSB PHASE NOISE at 25°C, 15pF

Offset / dBc / Hz

EM572T33

10.000MHz

EM572T33

77.760MHz

EM572T33

155.52MHz

10Hz

-96

-74

-68

100Hz

-122

-105

-96

1kHz

-138

-120

-110

10kHz

-145

-124

-117

100kHz

-150

-120

-112

Series Description

TCXO = EM572T*

VCTCXO = VEM572T*

Supply Voltage

28 = 2.8VDC

3 = 3.0VDC

33 = 3.3 VDC

5 = 5.0 VDC

Frequency (MHz)

Stability over OTR (±ppm)

Operating Temperature Range (OTR) (°C)

Lower and upper limits.

* Above 40MHz part numbers are EML572T or VEML572T to indicate

use of a Phase Locked Loop (PLL) circuit above this frequency.

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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