USB -> ?? -> AD1838a 6 channel

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I need to design a USB 6 channel soundcard fast.

DAC wise i'm thinking AD1838a...

DSDATA 1
DSDATA 2
DSDATA 3

^ these will accept PCM/I2S

I need to interface to USB. So can anyone reccomend an ic for this design... I looked at the AT89C5132... it outs PCM and it has an I2S port... I need 3... can it be configured to out 3 PCM or I2S lines?

Thanks in advance!:bigeyes:
 
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