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OPA548输出问题

Other Parts Discussed in Thread: OPA548

想确定一下OPA548如果4引脚(V-)接GND的话,电压最低能输出来多少,能到0V吗,看手册写的是轨对轨的

  • OPA548并不是轨对轨输入输出的哈。可看下手册中对于输入共模电压范围和输出电压范围的规格。

    至于最低能输出多少手册中给出了,给出了两个测试条件,不同Io输出时,最低输出不一样,拿Io=-3A来说,最低输出(V-)+3.3V,也就是说当V-接地,输出负压最小3.3V。具体可看Page6的电气参数表格。