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Why are multiple LDOs used to power the ADMV4801?

Category: Datasheet/Specs
Product Number: ADMV4801


I'm working on a project with the ADMV4801 and noticed that the recommended design (www.analog.com/.../eval-admv4801-ug-1565.pdf) includes multiple LDOs to supply power. Can anyone explain why this approach is used? Would it also be feasible to power the ADMV4801 with just a single LDO? If so, what challenges or trade-offs should I be aware of?

Thank you!