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Digital Line Level DACs, Digital Crossovers, Equalizers, etc.

8 x AK4490 with current output
8 x AK4490 with current output
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Old 7th August 2018, 04:14 PM   #21
nemantree is offline nemantree
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Join Date: Jul 2016
Location: Canada
If the digital filter is enabled at the oversampling (AK4137) stage then at the AK4490:
1 digital filter should be setup as External?
or
2 digital filter should be setup as the same as at AK4137?

I'm still unable to initialize the DACs properly and try the External filter setup. My 3-wire control sequence looks perfect / according to the AKM spec, but looks like nothing get programmed well: there is no output signal.
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Old 10th August 2018, 01:13 PM   #22
nemantree is offline nemantree
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Join Date: Jul 2016
Location: Canada
Ok, sorry for the silly question. In External Digital filter mode AK4490 accepts the data fromthe DINL and DINR pins, not like in PCM mode.
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