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74HC4046ADB PDF预览

74HC4046ADB

更新时间: 2024-01-21 14:24:17
品牌 Logo 应用领域
恩智浦 - NXP 光电二极管
页数 文件大小 规格书
34页 470K
描述
Phase-locked-loop with VCO

74HC4046ADB 技术参数

Source Url Status Check Date:2013-06-14 00:00:00是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP,针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.14模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZER
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
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
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 mm最大供电电压 (Vsup):6 V
最小供电电压 (Vsup):2 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:AUTOMOTIVE端子面层:NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:4.4 mmBase Number Matches:1

74HC4046ADB 数据手册

 浏览型号74HC4046ADB的Datasheet PDF文件第28页浏览型号74HC4046ADB的Datasheet PDF文件第29页浏览型号74HC4046ADB的Datasheet PDF文件第30页浏览型号74HC4046ADB的Datasheet PDF文件第31页浏览型号74HC4046ADB的Datasheet PDF文件第33页浏览型号74HC4046ADB的Datasheet PDF文件第34页 
Philips Semiconductors  
Product specification  
Phase-locked-loop with VCO  
74HC/HCT4046A  
Fig.32 Frequency synthesizer.  
note  
For an extensive description and application example  
please refer to application note ordering number  
9398 649 90011.  
Also available a computer design program for PLL’s  
ordering number 9398 961 10061.  
MSB740  
0.6  
1.6  
= 0.3  
0.5  
0.707  
1.0  
ζ
1.4  
1.2  
0.4  
0.2  
∆ω (t)  
∆Θ (t)  
e
e
∆ω /ω  
∆Θ /ω  
e
n
e n  
= 5.0  
ζ
0
1.0  
0.8  
= 2.0  
ζ
0.2  
0.6  
0.4  
0.2  
0.4  
0.6  
0.8  
0
1.0  
0
1
2
3
4
5
6
7
8
ω
t
n
Fig.33 Type 2, second order frequency step response.  
Since the output frequency is proportional to the VCO  
control voltage, the PLL frequency response can be  
observed with an oscilloscope by monitoring pin 9 of the  
VCO. The average frequency response, as calculated by  
the Laplace method, is found experimentally by smoothing  
this voltage at pin 9 with a simple RC filter, whose time  
constant is long compared to the phase detector sampling  
rate but short compared to the PLL response time.  
Fig.34 Frequency compared to the time response.  
1997 Nov 25  
32  

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