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Old 11th January 2012, 03:32 PM   #1
UV101 is offline UV101  England
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Default DIR9001 vs CS8416 and poss CS8412

Any thoughts on the sonic differences? I'm not interested in the input functionality i.e. The 8416 can accept and switch multiple inputs. I'm purely interested from an audio quality point of view.

So, what would/ do you use and why???

Thanks Ian
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Old 11th January 2012, 03:42 PM   #2
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None of the above - WM8805.
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Old 11th January 2012, 03:47 PM   #3
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Fair enough!! Can you elaborate please.
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Old 11th January 2012, 03:50 PM   #4
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Sure - I've not used one yet mind, but I am planning a design with one. The reason being the flexibility of the clocking scheme - it incorporates a frequency synthesizer which can be programmed in software. I'd not recommend it for stand-alone duty, only in conjunction with a CPU - in such cases its features really outshine the other two you mentioned in that it can still generate a nice precise clock in the absence of any incoming signal.
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Old 11th January 2012, 05:00 PM   #5
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DIR9001 - jitter 50ps, max SR 96kHz
WM8805 - jitter 50ps, max SR 192kHz
CS8416 - jitter 200ps,max SR 192kHz

Last edited by SoNic_real_one; 11th January 2012 at 05:03 PM.
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Old 11th January 2012, 05:07 PM   #6
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Quote:
Originally Posted by SoNic_real_one View Post
WM8805 - jitter 50ps, max SR 192kHz
If I recall correctly, only in software mode does it reach 192kHz.
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Old 11th January 2012, 09:32 PM   #7
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So it sounds like the WM8805 is the one to go for. Funny cos that's the only one I've not got or not looked into from a design point of view!!!
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Old 11th January 2012, 10:27 PM   #8
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Reading through it's looks superior but is much more complex to control. At this point, I think I need to concentrate my efforts elsewhere so the DIR might well do. In any case the plan is to make the whole DAC modular. I can revisit the input side later.

So the question changes to dir9001 or WM8805 (in h/w mode)??
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Old 12th January 2012, 12:18 AM   #9
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In H/W mode I think they are equal.
Other receiver that can do 192kHz is LC89058W-E. At 200pS jitter.

Last edited by SoNic_real_one; 12th January 2012 at 12:24 AM.
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Old 12th January 2012, 12:51 AM   #10
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If I was doing a design where I didn't want the CPU, then my choice would be DIR9001 for ease of implementation. There's then no requirement for a well controlled sample rate clock to run the CPU's clock from in the absence of lock.
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