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AD8021ARM

更新时间： 2024-02-05 07:42:49
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

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中文翻译

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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19页浏览型号AD8021ARM的Datasheet PDF文件第20页 
AD8021  
Figure 10 illustrates an inverter-follower driver circuit operating  
at a gain of 2, using individually compensated AD8021s. The  
values of feedback and load resistors were selected to provide a  
total load of less than 1 kΩ, and the equivalent resistances seen  
at each op amp’s inputs were matched to minimize offset volt-  
age and drift. Figure 12 is a plot of the resulting ac responses of  
driver halves.  
USING THE AD8021 IN ACTIVE FILTERS  
The low noise and high gain bandwidth of the AD8021 make it an  
excellent choice in active filter circuits. Most active filter litera-  
ture provides resistor and capacitor values for various filters but  
neglects the effect of the op amp’s finite bandwidth on filter  
performance; ideal filter response with infinite loop gain is implied.  
Unfortunately, real filters do not behave in this manner. Instead,  
they exhibit finite limits of attenuation, depending on the gain  
bandwidth of the active device. Good low-pass filter performance  
requires an op amp with high gain bandwidth for attenuation at  
high frequencies, and low noise and high dc gain for low frequency,  
pass-band performance.  
249ꢂ  
G = +2  
3
+
V
IN  
6
AD8021  
–
49.9ꢂ  
5
2
–V  
S
7pF  
Figure 13 shows the schematic of a 2-pole, low-pass active filter,  
and Table IV lists typical component values for filters having a  
Bessel-type response with gains of 2 and 5. Figure 14 is a network  
analyzer plot of this filter’s performance.  
499ꢂ  
499ꢂ  
V
OUT1  
1kꢂ  
232ꢂ  
G = –2  
3
2
+
6
V
AD8021  
–
OUT2  
5
C1  
1kꢂ  
+V  
S
–V  
S
5pF  
AD8021  
R1  
R2  
C2  
3
2
V
IN  
6
332ꢂ  
664ꢂ  
V
OUT  
5
Figure 10. Differential Amplifier  
C
C
–V  
S
12  
R
F
R
G
9
6
Figure 13. Schematic of a Second-Order Low-Pass  
Active Filter  
3
G = –2  
G = +2  
0
–3  
–6  
–9  
–12  
–15  
–18  
Table IV. Typical Component Values for Second-Order  
Low-Pass Filter of Figure 13  
Gain R1 (ꢂ) R2 (ꢂ) RF (ꢂ) RS (ꢂ) C1  
C2  
CC  
2
5
71.5  
44.2  
215  
365  
499  
90.9  
499  
365  
10 nF 10 nF 7 pF  
10 nF 10 nF 2 pF  
100k  
1M  
10M  
100M  
1G  
50  
40  
FREQUENCY – Hz  
Figure 11. AC Response of Two Identically  
Compensated High Speed Op Amps Configured  
for Gains of +2 and –2  
30  
20  
G = 5  
10  
12  
9
0
G = 2  
–10  
–20  
–30  
–40  
6
3
G = ꢃ2  
0
–3  
–50  
1k  
–6  
10k  
100k  
FREQUENCY – Hz  
1M  
10M  
–9  
–12  
–15  
–18  
Figure 14. Frequency Response of the Filter Circuit  
of Figure 13 for Two Different Gains  
100k  
1M  
10M  
100M  
1G  
FREQUENCY – Hz  
Figure12. AC Response of Two Dissimilarly  
Compensated AD8021 Op Amps (Figure 11) Configured  
for Gains of +2 and –2. Note the Close Gain Match.  
REV. D  
–18–  
1...151617181920

中文翻译

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AD8021ARM 替代型号

型号 品牌 替代类型 描述 数据表
AD8021ARMZ-REEL7 ADI

类似代替

 Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARMZ-REEL ADI

类似代替

 Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARMZ ADI

类似代替

 Low Noise, High Speed Amplifier for 16-Bit Systems

与AD8021ARM相关器件

型号 品牌 获取价格 描述 数据表
AD8021ARM-REEL ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARM-REEL7 ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARMZ ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARMZ-REEL ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARMZ-REEL7 ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021AR-REEL ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021AR-REEL7 ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARZ ADI

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 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARZ-REEL ADI

获取价格

 		Low Noise, High Speed Amplifier for 16-Bit Systems
AD8021ARZ-REEL7 ADI

获取价格

 		Low Noise, High Speed Amplifier for 16-Bit Systems

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