Cx31993 Datasheet Fix Better -
A properly fixed CX31993 beats the Apple dongle for high-res listening because the Apple dongle is hardware-capped to 48kHz on Android/Windows unless you use expensive apps. Conclusion: How to Find the "Unfindable" Datasheet While you cannot legally download the full CX31993 datasheet from Conexant, you can download the Linux kernel source code . The kernel driver ( sound/usb/quirks.c ) contains the reverse-engineered register map. This is your de facto datasheet.
However, if you have ever searched for a solution, you have likely hit a brick wall. Official datasheets are locked behind Conexant’s NDAs (Non-Disclosure Agreements), leaving firmware corrupted dongles, driver conflicts on Windows, and Android compatibility nightmares unresolved. cx31993 datasheet fix better
The Conexant CX31993 has quietly become one of the most popular unsung heroes of the mobile audio world. Found in countless $5 to $15 USB-C to 3.5mm dongle DACs (Digital-to-Analog Converters), this tiny chip promises high-resolution audio up to 32-bit/384kHz. It competes directly with the Realtek ALC5686 and the Apple C100. A properly fixed CX31993 beats the Apple dongle
| Feature | CX31993 (Fixed) | Apple A2049 (C100) | Realtek ALC5686 | | :--- | :--- | :--- | :--- | | | 32-bit | 24-bit | 32-bit | | Max Sample Rate | 384kHz | 48kHz (locked) | 384kHz | | Output Impedance | ~2Ω (very good) | ~0.9Ω (better) | ~10Ω (worse) | | Power Draw | 35mA (fixed) | 25mA | 45mA | This is your de facto datasheet















