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AD622ARZ PDF预览

AD622ARZ

更新时间: 2024-01-28 12:46:01
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器放大器电路光电二极管PC
页数 文件大小 规格书
16页 394K
描述
Low Cost Instrumentation Amplifier

AD622ARZ 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, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:0.81
放大器类型:INSTRUMENTATION AMPLIFIER最大平均偏置电流 (IIB):0.005 µA
标称带宽 (3dB):1 MHz最小共模抑制比:66 dB
最大输入失调电流 (IIO):0.0025 µA最大输入失调电压:125 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
最大非线性:0.001%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:+-15 V
认证状态:Not Qualified座面最大高度:1.75 mm
标称压摆率:1.2 V/us子类别:Instrumentation Amplifier
最大压摆率:1.5 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
最大电压增益:1000最小电压增益:1
标称电压增益:10宽度:3.9 mm
Base Number Matches:1

AD622ARZ 数据手册

 浏览型号AD622ARZ的Datasheet PDF文件第7页浏览型号AD622ARZ的Datasheet PDF文件第8页浏览型号AD622ARZ的Datasheet PDF文件第9页浏览型号AD622ARZ的Datasheet PDF文件第11页浏览型号AD622ARZ的Datasheet PDF文件第12页浏览型号AD622ARZ的Datasheet PDF文件第13页 
AD622  
The AD622 provides greater accuracy at lower cost. The higher  
cost of the homebrew circuit is dominated in this case by the  
matched resistor network. One could also realize a homebrew  
design using cheaper discrete resistors that are either trimmed  
or hand selected to give high common-mode rejection. This  
level of common-mode rejection, however, degrades significantly  
over temperature due to the drift mismatch of the discrete  
resistors.  
Note that for the homebrew circuit, the LT1013 specification for  
noise has been multiplied by √2. This is because a two op amp  
type instrumentation amplifier has two op amps at its inputs,  
both contributing to the overall noise.  
Table 4. Make vs. Buy Error Budget  
Total Error in ppm  
Relative to 1 V FS  
Error Source  
AD622 Circuit Calculation  
Homebrew Circuit Calculation  
AD622  
Homebrew  
ABSOLUTE ACCURACY at TA = 25°C  
Total RTI Offset Voltage, μV  
Input Offset Current, nA  
CMR, dB  
250 μV + 1500 μV/10  
2.5 nA × 1 kΩ  
800 μV × 2  
15 nA × 1 kΩ  
(0.1% Match × 0.5 V)/10 V  
Total Absolute Error  
400  
2.5  
25  
1600  
15  
50  
86 dB50 ppm × 0.5 V  
427.5  
1665  
DRIFT TO 85°C  
Gain Drift, ppm/°C  
Total RTI Offset Voltage, μV/°C  
Input Offset Current, pA/°C  
(50 ppm + 5 ppm) × 60°C  
(2 μV/°C + 15 μV/°C /10) × 60°C 9 μV/°C × 2 × 60°C  
2 pA/°C × 1 kΩ × 60°C  
(50 ppm)/°C × 60°C  
3300  
210  
0.12  
3000  
1080  
9.3  
155 pA/°C × 1 kΩ × 60°C  
Total Drift Error  
3510.12  
4089.3  
RESOLUTION  
Gain Nonlinearity, ppm of Full Scale  
Typ 0.1 Hz to 10 HzVoltage Noise, μV p-p  
10 ppm  
0.6 μV p-p  
20 ppm  
10  
0.6  
10.6  
3948  
20  
0.55 μV p-p × √2  
Total Resolution Error  
Grand Total Error  
0.778  
20.778  
5775  
Rev. D | Page 10 of 16  
 

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