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NB2879ASNR2G PDF预览

NB2879ASNR2G

更新时间: 2024-11-27 03:47:03
品牌 Logo 应用领域
安森美 - ONSEMI 时钟
页数 文件大小 规格书
6页 106K
描述
Low Power, Reduced EMI Clock Synthesizer

NB2879ASNR2G 技术参数

是否无铅: 不含铅生命周期:Contact Manufacturer
零件包装代码:TSOP包装说明:TSSOP, TSOP6,.11,37
针数:6Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.49JESD-30 代码:R-PDSO-G6
JESD-609代码:e3长度:3 mm
端子数量:6最高工作温度:70 °C
最低工作温度:最大输出时钟频率:30 MHz
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSOP6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源: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:1.1 mm
子类别:Clock Generators最大压摆率:10 mA
最大供电电压:3.6 V最小供电电压:3 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:1.5 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

NB2879ASNR2G 数据手册

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NB2879A  
Low Power, Reduced EMI  
Clock Synthesizer  
The NB2879A is a versatile spread spectrum frequency modulator  
designed specifically for a wide range of clock frequencies. The  
NB2879A reduces ElectroMagnetic Interference (EMI) at the clock  
source, allowing system wide reduction of EMI of all clock dependent  
signals. The NB2879A 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.  
The NB2879A uses the most efficient and optimized modulation  
profile approved by the FCC and is implemented by using a  
proprietary all digital method.  
The NB2879A 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’.  
http://onsemi.com  
MARKING  
DIAGRAM*  
TSOP6  
(TSOT236)  
SN SUFFIX  
CASE 318G  
6
E0BAYWG  
G
1
1
E0B = Specific Device Code  
A
Y
W
G
= Assembly Location  
= Year  
= Work Week  
= PbFree Package  
The NB2879A is targeted towards all portable devices with very  
low power requirements like MP3 players, Notebooks and digital still  
cameras.  
(Note: Microdot may be in either location)  
*For additional marking information, refer to  
Application Note AND8002/D.  
Features  
Generates an EMI Optimized Clocking Signal at the Output  
Integrated Loop Filter Components  
Operates with a 3.3 V "0.3 V Supply  
Operating Current less than 4.0 mA  
Low Power CMOS Design  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 5 of this data sheet.  
Input Frequency Range: 15 MHz to 30 MHz  
Generates a 1X Low EMI Spread Spectrum clock of the Input  
Frequency  
Frequency Deviation "1.0%  
Available in TSOP6 Package (TSOT236)  
PbFree Package is Available  
© Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
December, 2006 Rev. 2  
NB2879A/D  

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