请问lm3914是把供电电压10等分,还是把输入信号10等分
如果供电±15V,输入是±10V的DC信号,那10个LED会怎么点亮
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Hi
并非电压10等份,你可以理解每一路LED等同一个LDO, 不同于LDO的是LED是恒定电流控制。而LM3914 10路LED是同样的控制。