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OPA855-Q1: 输出饱和幅值

Part Number: OPA855-Q1

855的芯片手册上写的输出饱和范围为1.05-4.1V,为什么仿真得到的是1.05-3.5V?

  • 您好,

    应该是输出电流太大了,将输出电压拉下来了,具体看下下面截图输出电压会随输出电流的增加而降低:

    您将输出负载50Ω减小些,比如1kΩ 或10kΩ,再仿真输出电压是不是接近4.1V了?