Datasheet > VEM8T5-20.0K-2.5/-40+85

VEM8T5-20.0K-2.5/-40+85

更新时间： 2024-11-08 08:22:07

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
1页	104K
描述
HCMOS Output Clock Oscillator, 0.02MHz Nom, DIL-8/4

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VEM8T5-20.0K-2.5/-40+85 数据手册

QUARTZ

EURO

EM8T Series

TCXO

HCMOS 8 pin DIL, kHz Range

Package 8 pin DIL

Frequency range: 20.0 to 50.0kHz; 32.768kHz

Supply voltage 3.3 or 5.0 Volts

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

EM8T - OUTLINES AND DIMENSIONS

DESCRIPTION

EM8T series TCXOs are packaged in a miniature 6 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:

EM8T

VCTCXO:

VEM8T

Frequency Range:

Output Waveform:

32.768kHz Standard frequency

20.0kHz to 50.0kHz

Squarewave

Initial Calibration Tolerance

Models with mech. trimmer: <1.0ppm (at t. 25°±2°C)

Models without trimmer:

Operating Temperature Range:

Frequency Stability

vs. Ageing:

<2.0ppm (at t. 25°±2°C)

See table

±1.0 ppm max. first year

±0.3 ppm max. ±5% change

±0.3 ppm max. ±10% change

±1ppm max. for one reflow

(Measured after 24 hours)

+3.3 or +5.0Volts

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

(Specify when ordering)

Logic High: 90% Vdd min.

Logic Low: 10% Vdd max.

10ns max.

Output Logic Levels:

Rise and Fall Times:

Duty Cycle:

50%±5%

Start-up Time:

Current Consumption:

2ms typical, 5ms max.

See table below

FREQUENCY STABILITY

Output Load:

15pF

Storage Temperature:

-55~+125°C

VEM8T VOLTAGE CONTROL SPECIFICATION

Control Voltage:

Standard = +1.5±1.0Volts for all input

voltages. (Contact technical sales if

+2.5±2.0 Volts is required.)

FREQUENCY STABILITY

Frequency Deviation: ±6.0 ppm min.

Slope Polarity:

Positive (increase of control voltage increases

output frequency.)

10k min.

Frequency Stability (ppm)

0 ~ +50

±0.5

±1.0

±1.5

±2.0

±2.5

ASK

Input Impedance:

Modulation Bandwidth: 3.0kHz min. measured at -3dB

Linearity: 10% max.

-10 ~ +60

Temperature

-20 ~ +70

Range (°C)

-30 ~ +75

-40 ~ +85

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

PART NUMBERING PROCEDURE

Example:

EM8T33-32.768k-2.5/-30+75

CURRENT CONSUMPTION

Series Description

TCXO = EM8T

VCTCXO = VEM8T

Frequency

32.768kHz

50kHz

+3.3 V

8.0mA

12mA

Supply Voltage

33 = 3.3 VDC

5 = 5.0 VDC

Frequency (kHz)

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VEM8T5-20.0K-2.5/-40+85相关器件

型号	品牌	获取价格	描述	数据表
VEM8T5-25.0001.0/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 25MHz Nom, DIL-8/4
VEM8T5-25.000-1.5/-20+70	EUROQUARTZ	获取价格	Oscillator,
VEM8T5-25.0001.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 25MHz Nom, DIL-8/4
VEM8T5-25.0002.0/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 25MHz Nom, DIL-8/4
VEM8T5-25.000-2.5/-10+60	EUROQUARTZ	获取价格	Oscillator,
VEM8T5-25.0002.5/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 25MHz Nom, DIL-8/4
VEM8T5-25.0002.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 25MHz Nom, DIL-8/4
VEM8T5-27.0002.0/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 27MHz Nom, DIL-8/4
VEM8T5-27.0002.0/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 27MHz Nom, DIL-8/4
VEM8T5-27.0002.5/-30+75	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 27MHz Nom, DIL-8/4

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