Datasheet > VEMV44T33-77.76-1.0/-10+60

VEMV44T33-77.76-1.0/-10+60

更新时间： 2024-11-06 08:14:55

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
1页	136K
描述
HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN

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VEMV44T33-77.76-1.0/-10+60 数据手册

QUARTZ

EURO

EMV44T TCXO

CMOS 4 pad SMD, 'V' Group

27.0MHz to 200.0MHz

Miniature 11.4 x 9.6 x 3.0mm SMD package

Wide frequency range: 27.0MHz to 200.0MHz

Supply voltage 3.3 Volts

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

RoHS compliant

EMV44GT - OUTLINES AND DIMENSIONS

DESCRIPTION

EMV44T 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:

EMV44T

VCTCXO:

VEMV44T

Frequency Range:

Output Waveform:

27.0MHz to 200.0MHz

Squarewave, HCMOS

Initial Calibration Tolerance

Models without trimmer:

Models with trimmer:

Standard Frequencies:

<±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

(

)

Operating Temperature Range:

Mechanical Frequency Tuning:

Frequency Stability

±3.0ppm minimum

vs. Ageing:

±1.0 ppm max. first year

vs. Voltage Change:

vs. Load Change:

vs. Reflow (SMD type):

±0.3 ppm max. ±5% change

±0.3 ppm max. ±10% change

±1.0ppm max. for one reflow

(

)

VEMV44T VOLTAGE CONTROL SPECIFICATION

Control Voltage: Standard = +1.5±1.0Volts for all input

Supply Voltage:

Output Logic Levels:

+3.3 Volts

Logic High: 90% Vdd min.

Logic Low: 10% Vdd max.

40mA maximum

10ns typical

50%±10% standard,

5ms typical, 10ms max.

voltages.

Current Consumption:

Rise and Fall Times:

Duty Cycle:

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

Slope Polarity:

Positive

Start-up Time:

Input Impedance:

2M minimum

Current Consumption:

Output Load:

Storage Temperature:

Modulation Bandwidth: 25kHz minimum

Linearity: ±10% maximum

15pF

-55~+125°C

SSB PHASE NOISE at 25°C

Offset

10Hz

100Hz

1kHz

10kHz

100kHz

FREQUENCY STABILITY

at 77.760Mhz

(dBc/Hz)

-80

-110

-135

-130

-132

Stability (ppm)

±0.5

±1.0

±1.5

±2.0

±2.5

±3.0

Part =

EMV44T33

at 155.520Mhz

(dBc/Hz)

-80

-110

-125

-120

-125

0 ~ +50

ASK

-10 ~ +60

-20 ~ +70

-30 ~ +75

-40 ~ +85

Temp.

Range (°C)

PART NUMBERING SCHEDULE

Example:

EMV44T33-200.00-2.5/-30+75

ASK

Series Description

TCXO = EMV44T

VCTCXO = VEMV44T

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

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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与VEMV44T33-77.76-1.0/-10+60相关器件

型号	品牌	获取价格	描述	数据表
VEMV44T33-77.76-1.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-77.76-2.0/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-77.76-2.0/-30+75	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-77.76-2.5/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-77.76-2.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-77.76-2.5/-30+75	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-77.76-2.5/-40+85	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-77.76-3.0/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 77.76MHz Nom, MINIATURE, CERAMIC, SMD, 4 PIN
VEMV44T33-80.00-0.5/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator,
VEMV44T33-80.00-1.5/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator,

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