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Problem With AD9747(DAC)

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Johnny_YU

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Hi all!
i having problem with AD9747.
In AD9747 DATASHEET , mentioned two parameter named "MAIN DAC OUPUT" and "AUXILIARY DAC OUTPUT".I dont kown how to explain/understand them and what they do in DAC?
Thank you!
QQ图片20150521103826.png
 

Hi,

Searching the internet for the datasheet, downloading it, opening it and a view to the "functional block diagram" on the first page,
This needs only some seconds and the answer to your question is obvious.

There are two main 16 bit DACs.
And there are four auxilary 10 bit DACs, two of them are fix connected for GAIN adjust of the two main dacs.
And the other two may be used as auxilary DACs or for offset adjust of the main DACs.

Klaus
 

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