>128dB (chip spec) / ~117dB (implemented). Dynamic Range (DNR): >120dB. Distortion (THD+N): 0.0003% / -95dB. Power Output: Typically 65mW at 32Ω.
A community-maintained version of the CX31993 Datasheet is occasionally shared on Google Drive by enthusiast groups. Cx31993 Datasheet Fix
If you have landed on this page, you are likely staring at a schematic or a motherboard, trying to decipher the behavior of this specific IC. You are looking for the "Cx31993 Datasheet Fix"—a solution to the lack of public documentation. This article serves as that fix. We will explore why the datasheet is missing, how to work around it, and the technical specifics you need to get your repair or project back on track. >128dB (chip spec) / ~117dB (implemented)
If your dongle still hums, crackles, or disappears after these steps, the issue is physical damage to the crystal oscillator (12MHz) referenced on page 6 of the datasheet. At that point, buy a new dongle—they are cheaper than the replacement parts. Power Output: Typically 65mW at 32Ω