2021-09-08 01:01 AM
2021-09-08 05:05 AM
2021-09-25 03:10 PM
This DAC and op-amp pairing doesn't make any sense. OPA1622 is a very high performance op-amp. For high performance audio, the MCU's internal DAC is inadequate. For speech quality audio, the OPA1622 is an insane overkill.