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AD8021ARM PDF预览

AD8021ARM

更新时间: 2024-01-30 10:52:05
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
20页 427K
描述
Low Noise, High Speed Amplifier for 16-Bit Systems

AD8021ARM 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:1.68
放大器类型:OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB):10.5 µA
标称共模抑制比:98 dB最大输入失调电压:1000 µV
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
负供电电压上限:-13.2 V标称负供电电压 (Vsup):-5 V
功能数量:1端子数量:8
最高工作温度:85 °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):260认证状态:Not Qualified
座面最大高度:1.75 mm标称压摆率:420 V/us
子类别:Operational Amplifier供电电压上限:13.2 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:BIPOLAR温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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宽度:3.9 mm
Base Number Matches:1

AD8021ARM 数据手册

 浏览型号AD8021ARM的Datasheet PDF文件第14页浏览型号AD8021ARM的Datasheet PDF文件第15页浏览型号AD8021ARM的Datasheet PDF文件第16页浏览型号AD8021ARM的Datasheet PDF文件第17页浏览型号AD8021ARM的Datasheet PDF文件第18页浏览型号AD8021ARM的Datasheet PDF文件第20页 
AD8021  
20  
18  
16  
14  
12  
10  
8
Driving Capacitive Loads  
When the AD8021 drives a capacitive load, the high frequency  
response may show excessive peaking before it rolls off. Two  
techniques can be used to improve stability at high frequency and  
reduce peaking. The first technique is to increase the compensa-  
tion capacitor, CC, which reduces the peaking while maintaining  
gain flatness at low frequencies. The second technique is to add a  
resistor, RSNUB, in series between the output pin of the AD8021  
and the capacitive load, CL. Figure 15 shows the response of the  
AD8021 when both CC and RSNUB are used to reduce peaking.  
For a given CL, Figure 16 can be used to determine the value of  
RSNUB that maintains 2 dB of peaking in the frequency response.  
Note, however, that using RSNUB attenuates the low frequency  
output by a factor of RLOAD/(RSNUB + RLOAD).  
6
4
2
0
0
5
10  
15  
20  
25  
30  
35  
40  
45  
50  
CAPACITIVE LOAD – pF  
18  
FET  
PROBE  
+V  
S
Figure 16. Relationship of RSNUB vs. CL for 2 dB  
Peaking at a Gain of +2  
16  
C
R
= 7pF;  
= 0  
R
C
SNUB  
SNUB  
5
6
49.9ꢂ  
14  
12  
10  
8
49.9ꢂ  
R
1kꢂ  
L
33pF  
C
R
= 8pF;  
C
–V  
S
= 0  
C
SNUB  
C
499ꢂ  
499ꢂ  
6
4
2
C
R
= 8pF;  
C
0
= 17.4ꢂ  
SNUB  
0.1  
1.0  
10  
FREQUENCY – MHz  
100  
1000  
Figure 15. Peaking vs. RSNUB and CC for CL = 33 pF  
REV. D  
–19–  

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