[讨论] Vcm based CDAC switch size

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Jatin12312

发表于 2025-9-7 01:47:49 | 显示全部楼层 |阅读模式

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While doing VCM based SAR, the size of the CDAC switches for VCM are very big specially in smaller nodes where threshold voltage is similar to VCM.
What is the solution for that?

I saw somewhere that half of the caps can be connected to vrefp and half of them can be connected to vrefn. I could not find the document. If someone has it can you share?