jdp
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Hi. I need to have separate Vdd and Ground pairs for Analog, Digital & Mixed-signal domains in a Delta Sigma modulator (e.g. AVdd & AGnd, DVdd & DGnd,...). A common practice is to use the “free space” in the layout of a chip to have the decoupling capacitors.
As I have space constraint in the layout, I need to know if I need to connect decoupling capacitors between each Vdd and the corresponding Gnd ? - or any particular pair (like AVdd & AGnd) is more prior in the need of decoupling capacitors?
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