Datasheet > E2747

E2747

更新时间： 2024-11-14 06:55:03

品牌	Logo	应用领域
其他 - ETC		石英晶振温度补偿晶振
页数	文件大小	规格书
2页	46K
描述
STRATUM 3 TCXO

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中文翻译

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数据手册

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E2747 数据手册

E2747/E2747LF STRATUM 3 TCXO (-20 to 70°C)

■

ISSUE 4 ; 13 JUNE 2005

Nominal Frequency, Fo

Solderability: MIL-STD-202, Method 208, Category 3

■

Resistance to Soldering Heat: 260°C / 10s exposure

Marking: Laser Marked

■

12.8MHz

■

RoHS/Soldering: Parts with the suffix ‘LF’ on the part

number are fully compliant with the European Union

directive 2002/95/EC on the restriction of the use of

certain hazardous substances in electrical and electronic

equipment.

Supply Voltage

■

3.3V 5ꢀ

Input Current

■

< 4mA

Note:The RoHS compliant parts are suitable for assembly

using both Lead-free solders (see Lead-free Reflow

soldering profile) andTin / Lead solders (seeTin / Lead

Reflow soldering profile).

Output

■

Type: HCMOS

■

Load: 15pF max

Marking

■

VoL: <0.1 Vs

■

Manufacturers ID (CMAC)

■

VoH: >0.9 Vs

■

Manufacturing Identifier (xx)

■

Duty Cycle @ 50ꢀ: 45ꢀ to 55ꢀ

Pad 1 / Static Sensitivity Identifier (

Abbreviated Part Number (2747)

∆)

■

RiseTime, 10ꢀ to 90ꢀ: < 9ns

■

FallTime, 90ꢀ to 10ꢀ: < 9ns

Oscillator’s Date of Manufacture (YW)

Holdover Stability [ (Fmax-Fmin)/2Fo]

Note: Production parts will be

CMAC xx

marked in this format. Sample

marking may vary

■

Temperature, –20 to 70°C: < 0.28ppm

∆ 2747YW

■

Temperature, –20 to 70°C, inclusive of

Supply Voltage, 3.3V 5ꢀ and Ageing, 24 hours:

< 0.32ppm

Free-Run Accuracy, incl.

Outline in mm

■

Calibration@25°C,Temperature –20 to 70°C, Supply

Voltage 3.3V 5ꢀ Load 15pF 5ꢀ, Reflow Soldering and

Ageing 20 years: < 4.6ppm ref. to Nominal Frequency

Pad Connections

1.Do not connect

2.N/C

3.DC Coupled Output

(do not connect)

4.GND

5.Output

6.N/C

7.N/C

Phase Noise

7.0 0.15

■

10Hz

< -90dBc/Hz

< -115dBc/Hz

< -127dBc/Hz

< -137dBc/Hz

■

100Hz

1kHz

10kHz

> 100kHz < -143dBc/Hz

8.Tri-state Control *

9. +Vs

10.Do not connect,

or connect to GND

* see text

Tri-State

■

1.0

Pad 8 open circuit or > 0.6Vs: Output Enabled

1.27

■

Pad 8 < 0.2Vs: Output inTri-state mode

InTri-state mode, the output stage is disabled but the

oscillator and compensation circuit are still active

(current consumption < 1mA)

0.6

Environmental Specification

■

StorageTemperature Range: -55 to 125°C

■

Vibration: IEC 60068-2-6 Test Fc procedure B4, 10-60Hz

1.5mm displacement, at 98.1m/s², 30 minutes in each of

three mutually perpendicular axes at 1 octave per minute

Shock: IEC 60068-2-27 Test Ea, 980m/s²acceleration for

■

6ms duration, 3 shocks in each direction along three

mutually perpendicular axes

Europe Tel: +44 (0)1460 270200

AmericasTel: +1 919 941 9333

Fax: +44 (0)1460 72578

Fax: +1 919 941 9371

Fax: +86 755 8826 5990

Website: www.cmac.com

Asia

Tel: +86 755 8826 5991

中文翻译

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