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集成运放参数测量仪



做集成运放参数测量仪时,测得的AVD (交流差模开环电压增益)和KCMR (交流共模抑制比)值总是很接近,甚至于由最后采集回来的电压变化都很小,难道AVDKCMRji就是很接近的吗?TI公司有已知VIO(输入失调电压)、IIO(输入失调电流)、AVD (交流差模开环电压增益)和KCMR (交流共模抑制比)四项基本参数的标准芯片吗?