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SM8761 PDF预览

SM8761

更新时间: 2024-02-07 06:33:26
品牌 Logo 应用领域
NPC 时钟发生器
页数 文件大小 规格书
11页 126K
描述
Spread Spectrum Clock Generator

SM8761 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SOP, SOP8,.25Reach Compliance Code:unknown
风险等级:5.88JESD-30 代码:R-PDSO-G8
端子数量:8最高工作温度:80 °C
最低工作温度:-20 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:3.3 V认证状态:Not Qualified
子类别:Clock Generators最大压摆率:24 mA
标称供电电压:3.3 V表面贴装:YES
温度等级:COMMERCIAL EXTENDED端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

SM8761 数据手册

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SM8761 series  
Spread Spectrum Clock Generator  
OVERVIEW  
The SM8761 series are compact clock generator ICs that have a spread spectrum (SS) function to reduce unde-  
sirable EMI radiation. They have a built-in crystal oscillator circuit, PLL, and loop filter. They accept an input  
clock signal, generated using an external crystal or direct external clock input, and output an SS-modulated  
clock signal. In addition, versions are available for center spread and down spread modulation mode, and all  
have a mode control pin to select the SS modulation function.  
FEATURES  
Spread spectrum clock output to reduce EMI  
Correspond to wide range of output frequency  
Low jitter  
Operating supply voltage: 3.3 0.3V  
Multiplication: 1-time multiplication  
Package: 8-pin SOP  
SM8761AA  
Down spread  
SM8761AB  
Spectrum modulation mode  
Center spread  
*1  
Spectrum modulation rate  
– 1.0% to – 3.8%  
20MHz to 40MHz  
0.75% to 2.25%  
12MHz to 32MHz  
12MHz to 32MHz  
12MHz to 32MHz  
1-time multiplication  
Crystal element connection  
External input clock  
Input frequency  
20MHz to 108MHz  
20MHz to 108MHz  
1-time multiplication  
200ps (typ) @33MHz  
120ps (typ) @75MHz  
Output frequency  
Multiplication  
Jitter (Cycle-to-Cycle)  
200ps (typ) @16MHz  
*1. The modulation rate that can be selected varies with the input frequency.  
PINOUT  
PACKAGE DIMENSIONS  
(Top view)  
(Unit: mm)  
XTN  
1
2
3
4
8
7
6
5
XT  
VDD  
MSEL1  
MSEL0  
TSTN  
VSS  
0.695typ  
5.2 0.3  
CLKOUT  
1.27  
0 to 10°  
0.10  
0.4 0.1  
APPLICATIONS  
M
0.12  
Printer (laser/inkjet)  
Photocopiers, scanners  
LCD/PDP displays  
Projectors  
ORDERING INFORMATION  
Device  
Package  
Miscellaneous electronic equipment  
SM8761AAS  
SM8761ABS  
8-pin SOP  
NIPPON PRECISION CIRCUITS INC.—1  

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