On the Precision Low Power Signal Chain EngineerZone page: https://ez.analog.com/precision-technology-signal-chains/precision-low-power-signal-chains/ if you click on the “Documents” tab you will find both Power Solutions and KWIK Circuits as FAQs. Each Signal chain will have its own recommended power solution. The power solutions can also be found on the Precision Low Power Landing page: https://www.analog.com/en/applications/technology/precision-technology/precision-low-power.html