VEMV8T3.3-50.0-1.5/0+50 datasheet, PDF

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VEMV8T3.3-50.0-1.5/0+50: DescriptionHCMOS Output Clock Oscillator, 50MHz Nom, HERMETIC SEALED, DIL-8/4; CategoryPassive components oscillator; File Size106KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/

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VEMV8T3.3-50.0-1.5/0+50 Overview

HCMOS Output Clock Oscillator, 50MHz Nom, HERMETIC SEALED, DIL-8/4

VEMV8T3.3-50.0-1.5/0+50 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Reach Compliance Code	compliant
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	6 ppm
frequency stability	1.5%
Installation features	THROUGH HOLE MOUNT
Nominal operating frequency	50 MHz
Maximum operating temperature	50 °C
Minimum operating temperature
Oscillator type	HCMOS
Output load	15 pF
physical size	12.8mm x 12.8mm x 7.5mm
longest rise time	10 ns
Nominal supply voltage	3.3 V
surface mount	NO
maximum symmetry	60/40 %
Base Number Matches	1

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EURO

QUARTZ

8 pin DIL, hermetically-sealed package

Wide frequency range: 27.0MHz to 200.0MHz

Supply voltage 3.3 Volts

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

EMV8T Series TCXO

HCMOS 8 pin DIL, 'V' Group

EMV8T - OUTLINES AND DIMENSIONS

DESCRIPTION

EMV8T series TCXOs are packaged in an 8 pin DIL hermetically sealed

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

Models without trimmer:

Models with trimmer:

Standard Frequencies:

EMV8T

VEMV8T

27.0MHz to 200.0MHz

Squarewave, HCMOS

<±2.0ppm

<±1.0ppm

30.0, 32.768, 38.880, 40.0,

50.0, 54.0, 64.0, 65.536,

77.76, 80.0, 128.0, 160.0

and 200.0MHz

(Partial

list)

See table

±3.0ppm minimum

±1.0 ppm max. first year

±0.3 ppm max. ±5% change

±0.3 ppm max. ±10% change

±1.0ppm max. for one reflow

(Measured

after 24 hours)

+3.3 Volts

Logic High: 90% Vdd min.

Logic Low: 10% Vdd max.

40mA maximum

10ns typical

50%±10% standard,

5ms typical, 10ms max.

See table below

15pF

-55~+125°C

Operating Temperature Range:

Mechanical Frequency Tuning:

Frequency Stability

vs. Ageing:

vs. Voltage Change:

vs. Load Change:

vs. Reflow (SMD type):

Supply Voltage:

Output Logic Levels:

Current Consumption:

Rise and Fall Times:

Duty Cycle:

Start-up Time:

Current Consumption:

Output Load:

Storage Temperature:

VEMV8T VOLTAGE CONTROL SPECIFICATION

Standard = +1.5±1.0Volts for all input

voltages.

(Contact technical sales if

+2.5±2.0 Volts is required.)

Frequency Deviation: ±6.0 ppm min. (Vcon = +4.5V±1.0V)

Slope Polarity:

Positive

(increase of control voltage increases

output frequency.)

Input Impedance:

2M minimum

Modulation Bandwidth: 25kHz minimum

Linearity:

±10% maximum

Control Voltage:

SSB PHASE NOISE at 25°C

FREQUENCY STABILITY

Stability (ppm)

0 ~ +50

-10 ~ +60

Temp.

Range (°C)

-20 ~ +70

-30 ~ +75

-40 ~ +85

±0.5

ASK

±1.0

±1.5

±2.0

ASK

±2.5

ASK

±3.0

Part =

EMV8T33

Offset

at 77.760Mhz

(dBc/Hz)

at 155.520Mhz

(dBc/Hz)

10Hz

-80

100Hz

-110

1kHz

-135

-125

10kHz

-130

-120

100kHz

-132

-125

PART NUMBERING SCHEDULE

Example:

EMV8T33-200.00-2.5/-30+75

= available, x = not available, ASK = call Technical Sales

Series Description

TCXO = EMV8T

VCTCXO = VEMV8T

Supply Voltage

33 = 3.3 VDC

Frequency (MHz)

Stability over OTR (±ppm)

Operating Temperature Range (OTR) (°C)

Lower and upper limits

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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