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OPA189IDR

双电源模式:+16.5V和-5V,基于12V的压差是99.98mV(11.9002V),输出压差是100.25mV,相差了270uA,正向输入端能切换11.9V电压输入和11.95V电压输入。规格书写的是最大值3uV 帮忙分析下

  • 您好,能附上您的电路看下吗?输入信号幅值范围是多大?

    基于12V的压差是99.98mV(11.9002V),输出压差是100.25mV,相差了270uA

    这里是什么意思?基于12V的压差具体是哪里?运放的输入信号幅值吗?

    正向输入端能切换11.9V电压输入和11.95V电压输入

    这里是同相端输入11.9V,然后切换到11.95V输入,是这意思吗?