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ASM3P2183A

更新时间： 2024-01-12 13:33:40
品牌 Logo 应用领域
PULSECORE /
页数 文件大小 规格书
8页 185K
描述
EMI Reduction IC

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ASM3P2183A 技术参数

生命周期：Transferred包装说明：TSSOP-8
Reach Compliance Code：unknown风险等级：5.76
Is Samacsys：NJESD-30 代码：R-PDSO-G8
长度：4.4 mm端子数量：8
最高工作温度：70 °C最低工作温度：
最大输出时钟频率：103 MHz封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH主时钟/晶体标称频率：103 MHz
认证状态：Not Qualified座面最大高度：1.1 mm
最大供电电压：3.7 V最小供电电压：2.7 V
标称供电电压：3.3 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：3 mm
uPs/uCs/外围集成电路类型：CLOCK GENERATOR, OTHERBase Number Matches：1

ASM3P2183A 数据手册

 浏览型号ASM3P2183A的Datasheet PDF文件第2页浏览型号ASM3P2183A的Datasheet PDF文件第3页浏览型号ASM3P2183A的Datasheet PDF文件第4页浏览型号ASM3P2183A的Datasheet PDF文件第5页浏览型号ASM3P2183A的Datasheet PDF文件第6页浏览型号ASM3P2183A的Datasheet PDF文件第7页 
March 2007  
rev 1.7  
ASM3P2183A  
EMI Reduction IC  
Features  
The ASM3P2183A reduces electromagnetic interference  
(EMI) at the clock source, allowing system wide reduction  
of EMI of down stream clock and data dependent  
signals. The ASM3P2183A allows significant system cost  
savings by reducing the number of circuit board layers  
ferrite beads, shielding and other passive components  
that are traditionally required to pass EMI regulations.  
•
•
•
FCC approved method of EMI attenuation.  
Provides up to 15dB EMI reduction.  
Generates a 1X low EMI spread spectrum clock of  
the input frequency.  
•
•
Input frequency range: 6MHz to 90MHz.  
Internal loop filter minimizes external components  
and board space.  
The ASM3P2183A uses the most efficient and optimized  
modulation profile approved by the FCC and is  
implemented in a proprietary all digital method.  
•
•
Selectable spread options: Down and Center Spread  
2 spread frequency deviation selections:  
•
-1.25% or ± 0.42%  
•
•
•
•
Low inherent cycle-to-cycle jitter.  
Supply Voltage: 3.3 V ± 0.3V.  
Low power CMOS design.  
Supports notebook VGA and other LCD timing  
controller applications.  
Products are available for Industrial temperature  
range.  
The ASM3P2183A 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 results 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’.  
•
•
Available in 8-pin SOIC and TSSOP Packages.  
Product Description  
Applications  
The ASM3P2183A is  
a versatile spread spectrum  
The ASM3P2183A is targeted towards EMI management  
for memory and LVDS interfaces in mobile graphic  
chipsets and high-speed digital applications such as PC  
peripheral devices, consumer electronics, and embedded  
controller systems.  
frequency modulators designed specifically for a wide  
range of input clock frequencies from 6MHz to 90MHz.  
(Refer Input Frequency and Modulation Rate Table). The  
ASM3P2183A can generate an EMI reduced clock from  
an OSC or a system generated clock. The ASM3P2183A  
offers a Down Spread clock with a percentage deviation  
of -1.25% and a Center Spread clock with a percentage  
deviation of ± 0.42%.  
PulseCore Semiconductor Corporation  
1715 S. Bascom Ave Suite 200, Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018  
www.pulsecoresemi.com  
Notice: The information in this document is subject to change without notice.  
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