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AD650 ground question

Question asked by 626288415@qq.com on Jan 29, 2016
Latest reply on Mar 13, 2016 by 626288415@qq.com

When I read the AD650 Data Sheet, I find 捕获.PNG

so I have a question whether I should  tie all signal ground to polygon analog ground? and does it matter?

 

我在读AD650的技术文档时发现:

捕获.PNG

请问如果设计PCB时直接将一整块电路板覆铜,并且将模拟地接在覆铜上会对芯片性能产生影响吗?

另外我是把模拟部分和数字部分分开,分别由模拟电源和数字电源,模拟地和数字地也分开。

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