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LM324 共模输入电压范围的问题

Other Parts Discussed in Thread: LM324

Hi All ,

  1. 从LM324 datasheet 描述给出的LM324工作温度范围0 - 70℃,再测试表格中TA为25℃时,其Vicr的输入范围为 0 to Vcc-1.5V。 在整个温度范围内,其Vicr的输入范围为0 to Vcc-2, 我们想知道这个变化是因为温度升高会导致的还是温度降低会导致 ?
  2. 给出的测试条件是Vcc在30V时会出现Vicr的输入电压为0 to Vcc-2,如果采用3.3V供电也会出现同样的输入范围变化吗?还是按比例降低?