Cx31993 Datasheet -

The "story" of the CX31993 datasheet is essentially a saga of an elusive document that became a grail for the budget audiophile and DIY tech communities.

Technical Specifications

Critical Analysis: The 32Ω vs 300Ω Debate

A minimal working circuit includes:

Features

:

• Interface: USB 2.0 Full Speed (12 Mbps) / High Speed (480 Mbps) compliant.
• Output Connector: 3.5mm TRRS (Supports CTIA standard headsets with mic).
• Sample Rate Support: Up to 384 kHz (DSD128 support via DoP).
• Bit Depth: 16-bit / 24-bit / 32-bit.
• SNR (Signal-to-Noise Ratio): Typ. 124dB (DAC section).
• THD+N: -93dB or 0.002% (Typical load).
• Output Power: 1.2 Vrms (into 32Ω load) – approx 30mW.
• Power Consumption: < 40 mA (Active playback).