请问AURIX中两个模块VADC与DSADC之间的使用及其区别是什么?

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cqdxlhm
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如果是功能安全的话,对resolver等反馈元件的采集信号两个都要同时使用吗?谢谢
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quentin1
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dsadc是测霍尔转速的么
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郝_
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谈一下我个人的理解:VADC(Versatile Analog-to-Digital Converter):多功能模数转换器,就是我们平时用的模数转换器,有许多的通道,具体的功能可参照用户手册;DSADC(Delta-Sigma Analog-to-Digital Converter):专门用于旋变位置解码,内部集成了旋变激励信号发生单元(Carrier Generator) ,可以通过编程得到自己想要的正弦信号,同时可以对反馈信号进行同步采样,通过读取内部寄存直接得到正余弦电压转换结果,简单点,这个模块可以通过软件来解码旋变位置,不需要专门的旋变位置解码芯片了(如:AD2S1210)
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纳什
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Level 2
特别好
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cqdxlhm
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Level 4
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@Action,讲的很详细,谢谢。
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meng0604010
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学习
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红红
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理解很到位@Action
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Twin
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Level 5
5 solutions authored First solution authored First like received
VAD C只是普通的ad采样通道,dsadc是专门为旋变解码设计的
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cqdxlhm
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@Twin,好的谢谢
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evenchen
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Distributor - Intron(GC)
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转换速率有很大的差异:SAR-ADC为1M左右,DS-ADC为20M左右
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佚名
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@Action,讲的好,学习一下,谢谢。
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小子aa
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好的谢谢
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天河之外
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学习一下
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大洲锅
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Level 2
学习学习
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jian1
Level 5
Level 5
10 solutions authored 5 solutions authored First solution authored
vadc是逐次逼近型,速度快、精度稍差;DSADC是积分型,速度慢,精度高。
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喜子
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学习了!
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骑猪看世界
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学习一下
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SIX_66
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First comment on blog 500 replies posted 250 replies posted
学习学习
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