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what is the purpose of the analog part in the DAC

hi
why we can find DACs with simple analog circuit and some with very complex
what is exactly the purpose of the Analog part , as I understand it , the DAC chip output is analog 
does it act like a pre amp? even without volume control

thanks
David 
davlux

Showing 1 response by jjss49

jjss49's avatar
jjss49
6,612 posts
 
...to make sure the receiving unit can work properly with the dac chip’s output, which is often too weak to drive the next piece of hifi equipment

https://en.wikipedia.org/wiki/Impedance_matching

https://www.youtube.com/watch?v=fsvmJ_x1t3o
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