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ASM3I2579AF-06OR PDF预览

ASM3I2579AF-06OR

更新时间： 2024-11-17 08:36:23
品牌 Logo 应用领域
安森美 - ONSEMI 晶体时钟发生器微控制器和处理器外围集成电路光电二极管
页数 文件大小 规格书
7页 130K
描述
Peak EMI Reducing Solution

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中文翻译

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ASM3I2579AF-06OR 技术参数

是否无铅： 不含铅生命周期：End Of Life
零件包装代码：SOT-23包装说明：VSSOP, TSOP6,.11,37
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.27
其他特性：ALSO OPERATES WITH 3.3V SUPPLYJESD-30 代码：R-PDSO-G6
JESD-609代码：e3长度：2.9 mm
湿度敏感等级：1端子数量：6
最高工作温度：85 °C最低工作温度：-40 °C
最大输出时钟频率：30 MHz封装主体材料：PLASTIC/EPOXY
封装代码：VSSOP封装等效代码：TSOP6,.11,37
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：2.5/3.3 V
主时钟/晶体标称频率：30 MHz认证状态：Not Qualified
座面最大高度：1 mm子类别：Clock Generators
最大供电电压：2.625 V最小供电电压：2.375 V
标称供电电压：2.5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin (Sn)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：1.6 mm
uPs/uCs/外围集成电路类型：CLOCK GENERATOR, OTHERBase Number Matches：1

ASM3I2579AF-06OR 数据手册

 浏览型号ASM3I2579AF-06OR的Datasheet PDF文件第2页浏览型号ASM3I2579AF-06OR的Datasheet PDF文件第3页浏览型号ASM3I2579AF-06OR的Datasheet PDF文件第4页浏览型号ASM3I2579AF-06OR的Datasheet PDF文件第5页浏览型号ASM3I2579AF-06OR的Datasheet PDF文件第6页浏览型号ASM3I2579AF-06OR的Datasheet PDF文件第7页 
ASM3P2579A  
Peak EMI  
Reducing Solution  
Features  
• Generates an EMI optimized clock signal at the  
-The ASM3P2579A uses the most efficient and optimized  
modulation profile approved by the FCC and is  
implemented by using a proprietary all digital method.  
output.  
• Integrated loop filter components.  
• Operates with a 3.3 / 2.5V Supply.  
• Operating current less than 4mA.  
• CMOS design.  
The ASM3P2579A modulates the output of a single PLL  
in order to “spread” the bandwidth of a synthesized clock,  
and more importantly, decreases the peak amplitudes of  
its harmonics. This result in significantly lower system  
EMI compared to the typical narrow band signal produced  
by oscillators and most frequency generators. Lowering  
EMI by increasing a signal’s bandwidth is called ‘spread  
spectrum clock generation.’  
• Input frequency range: 12MHz to 30MHz for 2.5V  
12MHz to 30MHz for 3.3V  
• Generates a 1X low EMI spread spectrum clock of  
the input frequency.  
• Spread Spectrum Enable Control.  
• Frequency deviation: ±1% @ 24MHz  
• Available in 6L-TSOP (6L-TSOT-23).  
Applications  
The ASM3P2579A is targeted towards all portable  
devices like MP3 players and digital still cameras.  
Product Description  
The ASM3P2579A is  
Key Specifications  
a versatile spread spectrum  
Description  
Supply voltages  
Specification  
VDD = 3.3V/2.5V  
frequency modulator designed specifically for a wide  
range of clock frequencies. The ASM3P2579A reduces  
electromagnetic interference (EMI) at the clock source,  
allowing system wide reduction of EMI of all clock  
dependent signals. The ASM3P2579A allows significant  
system cost savings by reducing the number of circuit  
board layers, ferrite beads and shielding that are  
traditionally required to pass EMI regulations.  
Cycle-to-Cycle Jitter  
Output Duty Cycle  
±200pS (Typ)  
45/55% (worst case)  
FIN/640  
Modulation Rate Equation  
Frequency Deviation  
±1% @ 24MHz  
Block Diagram  
VDD  
SSON  
PLL  
Modulation  
XIN  
Crystal  
Oscillator  
Frequency  
Divider  
Output  
Divider  
Phase  
Detector  
Loop  
Filter  
XOUT  
VCO  
Feedback  
Divider  
ModOUT  
VSS  
©2010 SCILLC. All rights reserved.  
JANUARY 2010 – Rev. 2  
Publication Order Number:  
ASM3P2579/D  
1234567

中文翻译

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