Datasheet > VEM43S28-19.440-2.5/-30+75

VEM43S28-19.440-2.5/-30+75

更新时间： 2024-11-11 20:56:35

品牌	Logo	应用领域
EUROQUARTZ		机械振荡器
页数	文件大小	规格书
1页	121K
描述
Clipped Sine Output Oscillator,

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技术参数
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VEM43S28-19.440-2.5/-30+75 技术参数

是否Rohs认证：	符合	生命周期：	Contact Manufacturer
Reach Compliance Code：	compliant	风险等级：	5.62
老化：	1 PPM/FIRST YEAR	最大控制电压：	2.5 V
最小控制电压：	0.5 V	频率调整-机械：	NO
频率偏移/牵引率：	6 ppm	频率稳定性：	2.5%
安装特点：	SURFACE MOUNT	标称工作频率：	19.44 MHz
最高工作温度：	75 °C	最低工作温度：	-30 °C
振荡器类型：	CLIPPED SINE	输出阻抗：	10000 Ω
输出电平：	0.8 V	物理尺寸：	11.4mm x 9.6mm x 3.0mm
标称供电电压：	2.8 V	表面贴装：	YES
Base Number Matches：	1

VEM43S28-19.440-2.5/-30+75 数据手册

QUARTZ

EURO

EM43S TCXO

10MHz to 27MHz

Clipped Sinewave, 4 Pad, FR4 substrate SMD

Industry-standard SMD package 11.4 x 9.6 x 3.0mm

Close tolerance stabilities from ±0.5ppm over 0° to +50°C

±1ppm over -40 to +85°C

Low power consumption

EM43S - OUTLINES AND DIMENSIONS

DESCRIPTION

EM43S series TCXOs are packaged in the industry-standard 11.4 x

9.6 x 3.0mm SMD package. With clipped sinewave output, close

tolerances are available from ±0.5ppm over 0° to 50°C or ±1ppm

over -40° to +85°C. The part has low power consumption.

SPECIFICATION

Product Series Code

TCXO:

EM43S

VCTCXO:

VEM43S

Frequency Range:

Output Waveform:

Initial Calibration Tolerance**:

Standard Frequencies:

10.0MHz to 27.0MHz

Clipped Sinewave

<±1ppm at 25°C

10.0, 12.80, 13.0, 14.40,

15.36, 16.384, 19.2, 19.440,

and 19.68MHz (Partial list)

Operating Temperature Range:

Frequency Stability

vs. Ageing:

±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)

+2.8, +3.0 or +5.0Volts

(

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

Output Voltage Level:

Start-up Time:

0.8V p-p minimum

2ms typical, 5ms max.

VEM43S VOLTAGE CONTROL SPECIFICATION

Current Consumption:

Output Load:

Harmonic Distortion:

SSB Phase Noise:

Control Voltage:

Standard = +1.5±1.0Volts for all input

voltages.

10kOhm//10pF ±10%

-10dB typical, -7dB max.

Frequency Deviation: ±6.0 ppm min.

Slope Polarity:

FREQUENCY STABILITY

Output Format:

DC block, AC coupled

-50° to +100°C

RoHS Compliant

Positive

Storage Temperature:

Environmental:

Input Impedance:

1.0M min.

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

Linearity:

10% max.

FREQUENCY STABILITY

PHASE NOISE

Frequency Stability (ppm)

0 ~ +50

±0.5

±1.0

±1.5

±2.0

✓

±2.5

✓

ASK

✓

Offset

(Hz)

100

10k

100k

-150

-10 ~ +60

✓

SSB Phase Noise

at 25°C

Temperature

-20 ~ +70

Range (°C)

EM44S

13MHz

✓

-80 -115

-135

-148

(dBc/Hz)

-30 ~ +75

-40 ~ +85

✓

✓✓

✓

PART NUMBERING PROCEDURE

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

Example:

EM43S3-19.44-2.5/-30+75

CURRENT CONSUMPTION

Frequency Range

10.0MHz to 13MHz

13.1MHz to 20MHz

20.1MHz to 27MHz

+3.0 V

1.3mA

1.5mA

2.0mA

+5.0 V

2.0mA

2.2mA

2.5mA

Series Description

TCXO = EM43S

VCTCXO = VEM43S

Supply Voltage

28 = 2.8 VDC

3 = 3.0 VDC

5 = 5.0 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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