Realtek ALC269 audio codec datasheet in PDF form, 1.25 MB; the extra (1) in the name only marks a duplicate copy.

Realtek ALC272 datasheet in PDF form, 1.28 MB. The ALC272 is a High Definition Audio codec found on many laptops, providing headphone, speaker and microphone interfaces.

Datasheet in PDF format, about 3.49 MB, whose numeric file name gives no hint of the component, manufacturer or part number it covers.

Datasheet for the TPA6047A4, a Texas Instruments stereo audio power amplifier, provided as a 1.98 MB PDF.