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AD8403AR10 PDF预览

AD8403AR10

更新时间: 2024-02-29 05:11:18
品牌 Logo 应用领域
亚德诺 - ADI 转换器电位器数字电位计电阻器光电二极管
页数 文件大小 规格书
20页 497K
描述
1-/2-/4-Channel Digital Potentiometers

AD8403AR10 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:24
Reach Compliance Code:unknown风险等级:5.77
其他特性:IT CAN ALSO OPERATE FROM A 5V NOMINAL SUPPLY标称带宽:0.6 kHz
控制接口:3-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G24JESD-609代码:e0
长度:15.4 mm湿度敏感等级:NOT APPLICABLE
功能数量:4位置数:256
端子数量:24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:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):220
认证状态:COMMERCIAL电阻定律:LINEAR
最大电阻器端电压:5.5 V最小电阻器端电压:
座面最大高度:2.65 mm标称供电电压:3 V
表面贴装:YES标称温度系数:500 ppm/ °C
温度等级:AUTOMOTIVE端子面层:TIN LEAD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
标称总电阻:10000 Ω宽度:7.5 mm
Base Number Matches:1

AD8403AR10 数据手册

 浏览型号AD8403AR10的Datasheet PDF文件第13页浏览型号AD8403AR10的Datasheet PDF文件第14页浏览型号AD8403AR10的Datasheet PDF文件第15页浏览型号AD8403AR10的Datasheet PDF文件第17页浏览型号AD8403AR10的Datasheet PDF文件第18页浏览型号AD8403AR10的Datasheet PDF文件第19页 
AD8400/AD8402/AD8403  
ACTIVE FILTER  
40  
20  
–0.16  
20.0000 k  
One of the standard circuits used to generate a low-pass, high-  
pass or bandpass filter is the state variable active filter. The digi-  
tal potentiometer allows full programmability of the frequency,  
gain and Q of the filter outputs. Figure 44 shows the filter cir-  
cuit using a +2.5 V virtual ground, which allows a ±2.5 VP input  
and output swing. RDAC2 and 3 set the LP, HP and BP cutoff  
and center frequencies respectively. These variable resistors  
should be programmed with the same data (as with ganged po-  
tentiometers) to maintain the best circuit Q. Figure 45 shows  
the measured filter response at the bandpass output as a func-  
tion of the RDAC2 and RDAC3 settings which produce a range  
of center frequencies from 2 kHz to 20 kHz. The filter gain re-  
sponse at the bandpass output is shown in Figure 46. At a cen-  
ter frequency of 2 kHz, the gain is adjusted over a –20 dB to  
+20 dB range determined by RDAC1. Circuit Q is adjusted by  
RDAC4. For more detailed reading on the state variable active  
filter, see Analog Devices’ application note, AN-318.  
0
–20  
–40  
–60  
–80  
200k  
100k  
20  
100  
1k  
FREQUENCY – Hz  
10k  
Figure 45. Programmed Center Frequency Bandpass  
Response  
10k  
40  
HIGH-  
–19.01  
2.00000 k  
PASS  
RDAC4  
B
10k  
0.01µF  
A3  
20  
0
0.01µF  
A4  
~
V
IN  
A1  
B
RDAC1  
B
LOW-  
PASS  
A2  
B
RDAC2  
RDAC3  
±
2.5V  
–20  
–40  
–60  
–80  
BAND-  
PASS  
OP279 × 2  
Figure 44. Programmable State Variable Active Filter  
200k  
100k  
20  
100  
1k  
FREQUENCY – Hz  
10k  
Figure 46. Programmed Amplitude Bandpass Response  
–16–  
REV. B  

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