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AD628ARZ-REEL PDF预览

AD628ARZ-REEL

更新时间： 2024-01-28 23:53:32
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18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页浏览型号AD628ARZ-REEL的Datasheet PDF文件第22页 
AD8222  
APPLICATIONS  
DIFFERENTIAL OUTPUT  
Setting the Common-Mode Voltage  
The output common-mode voltage is set by the average of +IN2  
and REF2. The transfer function is  
The differential configuration of the AD8222 has the same  
excellent dc precision specifications as the single-ended output  
configuration and is recommended for applications in the  
frequency range of dc to 100 kHz.  
V
CM_OUT = (V+OUT + V−OUT)/2 = (V+IN2 + VREF2)/2  
+IN2 and REF2 have different properties that allow the  
reference voltage to be easily set for a wide variety of applications.  
+IN2 has high impedance but cannot swing to the supply rails  
of the part. REF2 must be driven with a low impedance but can  
go 300 mV beyond the supply rails.  
The circuit configuration is shown in Figure 49. The differential  
output specification in Table 2 and Table 4 refer to this  
configuration only. The circuit includes an RC filter that maintains  
the stability of the loop.  
The transfer function for the differential output is:  
A common application sets the common-mode output voltage  
to the midscale of a differential ADC. In this case, the ADC  
reference voltage would be sent to the +IN2 terminal, and  
ground would be connected to the REF2 terminal. This would  
produce a common-mode output voltage of half the ADC  
reference voltage.  
V
DIFF_OUT = V+OUT − V−OUT = (V+IN − V−IN) × G  
where  
49.4 kꢀ  
G =1 +  
RG  
2-Channel Differential Output Using a Dual Op Amp  
+IN  
+
Another differential output topology is shown in Figure 50.  
Instead of a second in-amp, ½ of a dual OP2177 op amp creates  
the inverted output. Because the OP2177 comes in an MSOP,  
this configuration allows the creation of a dual channel,  
precision differential output in-amp with little board area.  
R
+OUT  
AD8222  
–
G
10kΩ  
–IN  
–
100pF  
AD8222  
+
+IN2  
Errors from the op amp are common to both outputs and are  
thus common mode. Errors from mismatched resistors also  
create a common-mode dc offset. Because these errors are  
common mode, they will likely be rejected by the next device  
in the signal chain.  
REF2  
–OUT  
Figure 49. Differential Circuit Schematic  
+IN  
+OUT  
AD8222  
–IN  
4.99kΩ  
REF  
V
REF  
–
+
4.99kΩ  
OP2177  
–OUT  
Figure 50. Differential Output Using Op Amp  
Rev. 0 | Page 19 of 24  
 
 
 
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