Modular multi channel DIY AD/DA Box

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mhelin

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Mar 12, 2005
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Datasheet p. 19 chapter Audio serial port operation:
"... In Master mode, the BCK and LRCK clock signals are outputs, derived from the system clock input, SCKI. The BCK clock is fixed at 128fS for Single Rate sampling mode."

On the next page about the same on slave mode (I take it that its not recommended as performance may degrade).

Single rate means rates below 54 khz, ADAT wants 48khz. At 96 khz 64fs bit clock is possible.
 

rkn80

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Sep 20, 2009
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Ah, ok. Well I was looking at the wrong datasheet.  :eek:

Anyway, I did run it with 64fs only and it worked fine.
 

mhelin

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Mar 12, 2005
Messages
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Tampere, Finland
It might work well. Found a diyaudio.com thread on PCM4204 (PCM4202 really, it's 2-channel version, same restrictions apply) ADC at 48khz / 64fs with Arta screenshot:
https://www.diyaudio.com/forums/digital-line-level/144454-noisy-adc.html#post1911792

Not in master mode though. Got to build another ADC board to supply the clocks, have a pair of CS5394s with the Elektor ADC pcb left for that purpose.
 

Bart

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Feb 6, 2022
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the netherlands
dear Rapheal,

i love this topic,
i woud love an 12 channel DAC to provide digital audio for a monitor rack.
obviously i do not need ADC channels on this, but i can't find any official ready made units, for it.
maybe i can build my own. !

greetings
Bart
 

Bart

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Joined
Feb 6, 2022
Messages
3
Location
the netherlands
later i might wanne try to do the opposite.
build digital stageblocks whitch whill have a number of ADC's and just a few DAC of none at all
 

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