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DAC39RF12: VDD power supply seperation

Part Number: DAC39RF12
Other Parts Discussed in Thread: TPS543620, DAC39RF10EVM

Tool/software:

Hello team,

On the datasheet (table 5-1), it is recommended to seperate VDDEA & VDDEB from VDDDIG.

However, on DAC39RF10EVM, all those VDDs are supplied from single DCDC (TPS543620).

Should they be seperated (supplied from different DCDC) or not?

Best Regards,
Kei Kuwahara