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AD9912 DDS External sync indication

Question asked by auddoc on Jul 17, 2013
Latest reply on Jul 17, 2013 by LouijieC

Is there any logic output, (intentional or otherwise) which could be used, say by a power supply monitoring IC,  to indicate that the AD9912 DDS is now, "in-sync" with  an external clock? There is a "mute " input ( pin 58) which will effectively kill the output, which is required as an E-stop in my particular application, but no equivalent or similar output, regardless of sync functionality indication, as far as I can see.

Any ideas?