What's the spectrum of the noise? The DAC3100 will produce noise above the audio band. This is inherent to the delta-sigma architecture. You can solve this with a first order RC low-pass filter on the output with a fc of approx. 25kHz.
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What's the spectrum of the noise? The DAC3100 will produce noise above the audio band. This is inherent to the delta-sigma architecture. You can solve this with a first order RC low-pass filter on the output with a fc of approx. 25kHz.