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AD9177 Recommended for New Designs
The AD9177 is a highly integrated device with four 16-bit, 12 GSPS maximum sample rate, RF digital-to-analog converter (DAC) cores supporting up to eight...
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AD9177 on Analog.com

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When we configure the NCO the phase changes every time

NgocHuong

on Sep 27, 2025

Category: Datasheet/Specs

Product Number: AD9177

When we use AD9177, we find that the phase changes every time we configure the NCO, especially when we configure the 0x01CA register. We want to use SYSREF as the alignment clock. Has anyone meet the same problem?

AlexAtienza

on Sep 28, 2025 8:38 AM
0
Hi NgocHuong

Thanks for using AD9177. Please allow the product owner (landsman, kberry) to review your queries and provide update.

Thanks and kind regards,

Alex
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kberry

on Sep 29, 2025 1:57 PM
0
Hello NgocHuong , this has been addressed in your other post here. I notice you have posted many iterations of this question on the forums -- can you please remove the other entries (including this one) and use only the entry linked here? Thank you.
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When we configure the NCO the phase changes every time