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AD9524 Unused Inputs and Outputs

Hello.  What should be done with the REFB+/- and ZD_IN+/- inputs if they are unused?  How about unused OUT+/- pins?  Thanks.

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  • FormerMember
    0 FormerMember
on Dec 13, 2011 1:29 PM

Hello,

"Unused input pins" I assume you must be using single-ended CMOS mode.  In this case the unused input can be left open since t he circuits will be powered down by SPI register settings.

Output pins can be left open and powered down by SPI register settings.

Regards,

Matt

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  • FormerMember
    0 FormerMember
on Dec 13, 2011 1:29 PM

Hello,

"Unused input pins" I assume you must be using single-ended CMOS mode.  In this case the unused input can be left open since t he circuits will be powered down by SPI register settings.

Output pins can be left open and powered down by SPI register settings.

Regards,

Matt

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