(1)双电源电路如下,这一部分从正相端用信号发生器输入信号,从输出端可以看到最大输出在4.9V左右,满足datasheet说明的“轨至轨”
(2)单电源电路如下,这一部分从正相端输入信号,无论如何选通CD4052的通路,都只能到达3.7V;也尝试将CD4052短路掉,仍然只能到3.7V;将电源+5V提升至+7V,仍然只能到3.7或3.8V左右,不能轨至轨输出
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(1)双电源电路如下,这一部分从正相端用信号发生器输入信号,从输出端可以看到最大输出在4.9V左右,满足datasheet说明的“轨至轨”
(2)单电源电路如下,这一部分从正相端输入信号,无论如何选通CD4052的通路,都只能到达3.7V;也尝试将CD4052短路掉,仍然只能到3.7V;将电源+5V提升至+7V,仍然只能到3.7或3.8V左右,不能轨至轨输出