Datasheet > EM57T28-155.52-2.5/-20+70

EM57T28-155.52-2.5/-20+70

更新时间： 2024-11-12 19:39:11

品牌	Logo	应用领域
EUROQUARTZ		机械振荡器
页数	文件大小	规格书
1页	172K
描述
HCMOS Output Clock Oscillator, 155.52MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN

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EM57T28-155.52-2.5/-20+70 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.84
老化：	1 PPM/FIRST YEAR	最长下降时间：	10 ns
频率调整-机械：	NO	频率稳定性：	2.5%
安装特点：	SURFACE MOUNT	标称工作频率：	155.52 MHz
最高工作温度：	70 °C	最低工作温度：	-20 °C
振荡器类型：	HCMOS	输出负载：	15 pF
物理尺寸：	7.0mm x 5.0mm x 2.5mm	最长上升时间：	10 ns
标称供电电压：	2.8 V	表面贴装：	YES
最大对称度：	60/40 %	Base Number Matches：	1

EM57T28-155.52-2.5/-20+70 数据手册

QUARTZ

EURO

TCXO

EM57T Series

HCMOS 7 x 5 x 2.5mm SMD

Miniature SMD package 7 x 5mm

Wide frequency range: 2.5MHz to 170MHz

Stability from ±0.5ppm over 0° to +50°C

±1ppm over -40 to +85°C available

Supply voltage 2.8 Volts to 5.0 Volts

EM57T - OUTLINES AND DIMENSIONS

DESCRIPTION

EM57T series TCXOs are packaged in the industry-standard 7x5mm

SMD format. With HCMOS output, close tolerances are available

from ±0.5ppm over 0° to 50°C to ±1ppm over -40° to +85°C. The

parts have a 0.01uF decoupling capacitor built-in.

SPECIFICATION

Product Series Code:

Frequency Range:

Output Waveform:

Initial Calibration Tolerance*:

Standard Frequencies:

EM57T

2.5MHz to 170.0MHz

Square wave HCMOS

±3ppm at 25°C

10.0, 12.80, 13.0, 14.40,

16.0, 16.3840, 19.200,

19.440, 19.680, 20.0, 38.880,

77.760 and 155.52MHz

(Partial list)

Operating Temperature Range:

Frequency Stability

vs. Ageing:

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)

+2.8 VDC (Code ‘28’)

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

+3.0 VDC (Code ‘3’)

+3.3 VDC (Code ‘33’)

+5.0 VDC (Code ‘5’)

Output Voltage Levels

Logic ‘1’ HIGH:

EM57T - TEST CIRCUIT

80% Vdd min.

Logic ‘0’ LOW:

10% Vdd max.

Rise & Fall Times:

Duty Cycle (Symmetry):

Start-up Time:

10ns max. (20%~80%)

50%±10% (at 50%Vdd)

10ms max.

Current Consumption:

Output Load:

30mA max. (Freq. dependent)

15pF

SSB Phase Noise:

Output Format:

Storage Temperature:

See table

AC block, DC coupled

-50° to +100°C

* Stability over temperature will be from this measured initial frequency

FREQUENCY STABILITY

Frequency Stability (ppm)

0 ~ +50

±0.5

±1.0

±1.5

±2.0

±2.5

EM57T - PART NUMBERING PROCEDURE

ASK

Example:

EM57T3-19.44-2.5/-30+75

-10 ~ +60

Temperature

-20 ~ +70

Range (°C)

-30 ~ +75

-40 ~ +85

Series Description

Supply Voltage

28 = 2.8 VDC

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

= standard specification

3 = 3.0 VDC

33 = 3.3 VDC

5 = 5.0 VDC

PHASE NOISE

Frequency

Offset

(Hz)

100

10k

100k

Stability over OTR (ppm)

Operating Temperature Range (OTR) (°C)

SSB Phase Noise

at 25°C

EM57T

100MHz

(dBc/Hz)

-72

-110

-125

-132

-125

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EM57T28-155.52-2.5/-20+70相关器件

型号	品牌	获取价格	描述	数据表
EM57T28-155.52-2.5/-30+75	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 155.52MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
EM57T28-155.52-2.5/-40+85	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 155.52MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
EM57T28156.0001.5/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, SMD, 4 PIN
EM57T28156.0002.5/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, SMD, 4 PIN
EM57T28156.0002.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, SMD, 4 PIN
EM57T28156.0002.5/-40+85	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, SMD, 4 PIN
EM57T28-156.0-1.0/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EM57T28-156.0-1.0/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EM57T28-156.0-1.5/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EM57T28-156.0-1.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 156MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN

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