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关于电源芯片的数字地和模拟地

问题描述:数字地和模拟地公用一个底层板作地,通过加磁珠和电容来消除两者的互相影响?

问题帖子链接:http://www.deyisupport.com/question_answer/analog/power_management/f/24/t/30321.aspx

解答问题的TI FAE:   

个人心得:在进行对电源布线的时候,对于功率地和信号地一般都是分开来布线,这样做主要是为了避免产生干扰,最常用的是把所有的信号地相连于一点,然后与功率地线相连,即采用一点接地法,或者用一个零欧姆电阻来连接