Datasheet > TU245A-LZ-0.28-FREQ-STR3

TU245A-LZ-0.28-FREQ-STR3

更新时间： 2024-11-13 15:55:15

品牌	Logo	应用领域
纬创 - RALTRON		机械振荡器
页数	文件大小	规格书
3页	180K
描述
HCMOS Output Clock Oscillator, 10MHz Min, 40MHz Max, SMT, 6 PIN

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TU245A-LZ-0.28-FREQ-STR3 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.63	频率调整-机械：	NO
频率稳定性：	0.28%	安装特点：	SURFACE MOUNT
最大工作频率：	40 MHz	最小工作频率：	10 MHz
最高工作温度：	70 °C	最低工作温度：
振荡器类型：	HCMOS	输出负载：	15 pF
物理尺寸：	19.5mm x 12.9mm x 10.6mm	最大供电电压：	3.15 V
最小供电电压：	2.85 V	标称供电电压：	3 V
表面贴装：	YES	Base Number Matches：	1

TU245A-LZ-0.28-FREQ-STR3 数据手册

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DIGITAL TCXO

Rev C.

SMT STRATUM 3 DIGITAL TCXO 230 SERIES

FEATURES:

- Fully meeting free run frequency accuracy and 24 hours maximum frequency drift requirements for

STRATUM 3 according to Telecordia GR-1244-CORE (Issue 2)*

- Very low power consumption suitable for portable and/or battery operated equipment

ELECTRICAL SPECIFICATION**

PARAMETER

Supply voltage, nom.

Supply current, max.

Frequency, nom.

SYMBOL

CONDITIONS

VALUE

UNIT

Vs±5%

3.0

5.0

Vs, nom. / Ta=25°C

2.0 to 5.0

10.000 to

40.000

±4.6

MHz

Overall frequency stability over 10

years of operation including Initial

Frequency Calibration

Frequency drift during 24 hours of

continuous operation, max (See note

Dfc/fo

Ta=-40°C to + 85°C

ppm

Ta=-40°C to + 85°C

±0.37

±0.30

Ta 0°C to + 70°C

Ta=-40°C to + 85°C

Temperature Stability (See note 2)

Ta=0°C to + 70°C

Vc= 0.25V

Vc= Vs-0.25V

±0.28

ppm

PPM

Control voltage range

+0.25…+2.25

-5 …-10

+5 …+10

100

Frequency Adjustment Range

Df/fo (Vc)

Voltage control (pin 1) input

impedance, min.

Z_in

Jitter (peak to peak), max

(Fnom = 20 MHz)

J(f)

Offset Df = 12kHz to 20MHz

Phase noise SSB @ freq.offset, max

(Fnom = 20 MHz)

£ (Df)

Df=10Hz

Df=100Hz

Df=1kHz

Df ³ 10kHz

Load = 15pF

Load=10 kW||20pF

-80

-110

-130

-145

0.9Vcc / 0.1Vcc

0.7

dBc/Hz

HCMOS output levels

Clipped Sine

VOH/VOL

Vout

Vp-p

ENVIRONMENTAL SPECIFICATION

Storage temperature range

-45°C….+85°C

Vibration

IEC 68-2-6, test Fc:

All parameters within initial

10..500 Hz, 10g, 2 h, 3 directions

IEC 68-2-27, test Ea:

100g, ½ sine, 3 bumps, 6 directions

limits

All parameters within initial

limits

Mechanical shocks

Notes:

1. The 24 hours drift can be measured any time after minimum 1 hour from initial turn on. Please contact factory

for details.

2. The Temperature Stability is calculated with regard to frequency reading at 25°C±1°C.

* Telecordia is a trademark of Telecordia Technologies

** This specification is typical. Other frequencies, output types and custom parameters are available. Please,

contact factory for details.

NOT FOR REFLOW PROCESS

RALTRON ELECTRONICS CORP. § 10651 N.W. 19^{t h}S t § Miami, Florida 33172 §

U . S . A .

phone: +001(305) 593-6033 §fax: +001(305)594-3973 §e-mail: sales@raltron.com §internet: http:/www.raltron.com

12 3

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