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TLV320AIC3106有模拟电和数字电之分，现在用两个电源独立供电，那有没先后之分呢？会对芯片的正常工作产生影响吗？
请按如下顺序：
Power-up IOVDD first
Power-up AVDD next
Power-up DVDD after AVDD
Keep /RESET low until all supplies are up
您好， Carter Liu ： 想请教一个问题，3106手册上推荐的都是四层板PCB设计方案，如果采用两层板设计，可以么？是否有推荐方案？
