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AD628ARZ-REEL PDF预览

AD628ARZ-REEL

更新时间： 2024-01-25 04:54:11
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器
页数 文件大小 规格书
24页 602K
描述
OP-AMP, 1500uV OFFSET-MAX, PDSO8, MS-012AA, SOIC-8

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中文翻译

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AD628ARZ-REEL 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：ROHS COMPLIANT, MS-012AA, SOIC-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：0.71
放大器类型：OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB)：0.003 µA
标称共模抑制比：75 dB最大输入失调电压：1500 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：-18 V标称负供电电压 (Vsup)：-15 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
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
电源：5/+-15 V认证状态：Not Qualified
座面最大高度：1.75 mm标称压摆率：0.3 V/us
子类别：Operational Amplifier最大压摆率：1.6 mA
供电电压上限：18 V标称供电电压 (Vsup)：15 V
表面贴装：YES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

AD628ARZ-REEL 数据手册

 浏览型号AD628ARZ-REEL的Datasheet PDF文件第15页浏览型号AD628ARZ-REEL的Datasheet PDF文件第16页浏览型号AD628ARZ-REEL的Datasheet PDF文件第17页浏览型号AD628ARZ-REEL的Datasheet PDF文件第19页浏览型号AD628ARZ-REEL的Datasheet PDF文件第20页浏览型号AD628ARZ-REEL的Datasheet PDF文件第21页 
AD8222  
+15V  
Differential Input Voltages at High Gains  
When operating at high gain, large differential input voltages  
can cause more than 6 mA of current to flow into the inputs.  
This condition occurs when the differential voltage exceeds  
the following critical voltage  
0.1µF  
10µF  
C
1nF  
C
R
+IN  
R1  
4.02kΩ  
V
C
D
10nF  
OUT  
V
CRITICAL = (400 + RG) × (6 mA)  
AD8222  
499Ω  
R
REF  
This is true for differential voltages of either polarity.  
–IN  
4.02kΩ  
C
C
1nF  
The maximum allowed differential voltage can be increased by  
adding an input protection resistor in series with each input.  
The value of each protection resistor should be  
0.1µF  
10µF  
–15V  
R
PROTECT = (VDIFF_MAX − VCRITICAL)/6 mA  
Figure 48. RFI Suppression  
RF INTERFERENCE  
Figure 48 shows an example where the differential filter  
frequency is approximately 2 kHz, and the common-mode filter  
frequency is approximately 40 kHz.  
RF rectification is often a problem when amplifiers are used in  
applications where there are strong RF signals. The disturbance  
can appear as a small dc offset voltage. High frequency signals  
can be filtered with a low-pass, RC network placed at the input  
of the instrumentation amplifier, as shown in Figure 48. The  
filter limits the input signal bandwidth according to the  
following relationship.  
Values of R and CC should be chosen to minimize RFI.  
Mismatch between the R × CC at the positive input and the  
R × CC at negative input degrades the CMRR of the AD8222. By  
using a value of CD 10× larger than the value of CC, the effect of  
the mismatch is reduced and performance is improved.  
1
FilterFreqDiff =  
2π R(2CD + CC)  
COMMON-MODE INPUT VOLTAGE RANGE  
The three op amp architecture of the AD8222 applies gain and  
then removes the common-mode voltage. Therefore, internal  
nodes in the AD8222 experience a combination of both the  
gained signal and the common-mode signal. This combined  
signal can be limited by the voltage supplies even when the  
individual input and output signals are not. Figure 7 and Figure 8  
show the allowable common-mode input voltage ranges for  
various output voltages, supply voltages, and gains.  
1
FilterFreqCM =  
2π RCC  
where CD ≥ 10CC.  
Rev. 0 | Page 18 of 24  
 
 
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