Experiment Science and Technology, Volume. 23, Issue 2, 54(2025)

Design Experiment of the Integrated Circuit Testing System Based on Operational Amplifiers

Xuan GOU, Min HUANG*, and Ke LIU
Author Affiliations
  • School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
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    Figures & Tables(19)
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    • Table 1. [in Chinese]

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      Table 1. [in Chinese]

      IP/IN /AVIO /VR1/R2IP×R1)/(IN×R2)/V相对误差/%
      10 n20 m100 M1.0002
      100 n20 m10 M1.0002
      1 μ20 m1 M1.0002
      10 μ20 m100 k1.0002
    • Table 2. [in Chinese]

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      Table 2. [in Chinese]

      开关位置测试功能
      K2K3K6K7
      2211同相输入偏置电流
      2222反相输入偏置电流
      1111共模电压范围测试1
      1211共模电压范围测试2
      1211压摆率
    • Table 3. [in Chinese]

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      Table 3. [in Chinese]

      参数运放A运放B器件手册
      IP /nA0.7990.807<±1
      IN /nA0.1980.399<±1
      VCM′/VVS+−0.89VS+−0.96>VS+−2
      VCM′/VVS−+1.09VS−+1.12<VS−+2
      SR+ /V·μs−10.7050.7580.8(典型值)
      SR− /V·μs−10.7360.7700.8(典型值)
    • Table 4. [in Chinese]

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      Table 4. [in Chinese]

      共性问题解决思路
      器件选型困难选型案例演示:打开TI、ADI等芯片制造商官网,按照产品类别进行索引和选型
      元件封装容易出错尽可能使用公共的原理符号和封装库,如立创EDA软件提供大量元件库
      器件焊接困难禁止选用BGA、QFN等具有内嵌引脚封装的器件,电阻电容封装≥0603
      软硬件联调难以定位故障通过在线仿真功能单步执行代码,并通过示波器单次触发功能抓取实时波形
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    Xuan GOU, Min HUANG, Ke LIU. Design Experiment of the Integrated Circuit Testing System Based on Operational Amplifiers[J]. Experiment Science and Technology, 2025, 23(2): 54

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    Paper Information

    Category: Experimental Teaching and Teaching Experimental

    Received: Nov. 9, 2023

    Accepted: --

    Published Online: May. 9, 2025

    The Author Email: Min HUANG (黄敏)

    DOI:10.12179/1672-4550.20230530

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