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Non loop-powered AD5421 possibility

Question asked by Ivan-Rusov Employee on Feb 1, 2018
Latest reply on Feb 7, 2018 by Ivan-Rusov

Hi,

 

AD5421 datasheet say that the DAC have to be loop-powered. But if loop is broken the AD5421 stops to communicate via SPI.

 

Is the any possibility to power AD5421  digital domain only to maintain SPI communication?

What happens if IODVdd pin will be connected to separate external power supply (or battery)?

 

Regards,

Ivan

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