I2S DAC


Author Message
Volhout
Guru

Joined: 05/03/2018
Location: Netherlands
Posts: 5464
Posted: 11:38am 15 Sep 2025      

Phenix,

DC drift is not always specifically specified, but look at below datasheet.

Typical 16 bit I2S DAC UDA1334



DC accuracy is +/-10% (0.5V+/-50mV), relates to 3.5bits DC DAC. If that is sufficient, then you can use it as a DAC in your loop.
That is why it is normal to AC-couple AUDIO DAC outputs. DC drifts all over the place.

Volhout