Cx31993 Datasheet Fix Better !new! -
Without this, you get a 200mV pop transient.
: Beware of "Fake MAX" dongles. Look for physical teardowns; if the board lacks the actual MAX97220 IC or uses a generic, unmarked amplifier, you are just buying a louder, noisier version of the basic dongle.
Many cheap CX31993 dongles suffer from aggressive power management or loose USB-C seating, causing sudden audio drops or loud pops. cx31993 datasheet fix better
Install the official Windows USB Audio Class 2.0 Drivers . Ensure you go to Sound Settings > Device Properties > Advanced and set the default format to the highest available studio rate (e.g., 24-bit, 192000 Hz) to prevent the OS from crippling your bit-rate.
However, for as much praise as the chip receives, its biggest, most critical component remains frustratingly elusive: the . From advanced troubleshooting to hardware modifications and software tweaks, a simple lack of documentation turns even minor fixes into major projects. This guide provides a comprehensive, data-sheet-inspired deep dive into the CX31993, detailing its actual specifications, its most common real-world problems, and the fixes you can use to get better performance out of it. Without this, you get a 200mV pop transient
The good news is that the community of users and testers has, in the absence of official data, reverse-engineered much of the chip's behavior. So, while we can't provide the datasheet itself, this guide serves as the next best thing: a practical, data-driven manual for getting the best out of this popular chipset.
The chip is a USB Audio Class 2.0-compliant device. This means it uses on Windows, macOS, Linux, Android, and iOS. Many cheap CX31993 dongles suffer from aggressive power
If the device stops working mid-song or isn't recognized by your phone: AUDIOCULAR Conexant CX Pro CX31993 USB-C DAC & Amp
The principal issue is that without a datasheet, you are working blind. The practical consequences of this include:
, the chip is a Class G amplifier designed for high-resolution audio over USB-C. DAC Sampling Rate : Up to 32-bit / 384kHz. Signal-to-Noise Ratio (SNR)