Cx31993 Datasheet Fix Better !link!
117dB to 128dB (depending on implementation). Dynamic Range (DNR): 117dB to >120dB. THD+N (Distortion): -95dB (approx. 0.0003%). Output Power (Thrust): 65mW at 32Ω. Output Impedance: Typically 0.5Ω (ultra-low) to 2Ω. Frequency Response: 20Hz – 20kHz.
Dirt and pocket lint inside your phone or laptop's USB-C port can cause intermittent drops in power, leading to glitching or digital noise.
By analyzing the internal architecture of the chip, applying hardware schematic fixes, and deploying bit-perfect software tweaks, you can bypass generic implementation flaws and make your audio setup perform significantly better. Technical Specifications Index
: 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. cx31993 datasheet fix better
Most problems reported with CX31993 devices do not stem from the Conexant chip itself. Instead, they are caused by by white-label manufacturers trying to minimize costs.
, Neutron Music Player , or . These apps bypass the Android system's audio stack and allow you to access the hardware-level volume control of the DAC.
The CX31993 is a designed for portability and power. According to the datasheet and manufacturer specifications, it offers: 117dB to 128dB (depending on implementation)
Typically 1Vrms to 2Vrms, capable of driving headphones up to 150-300 ohms, though optimized for under 100 ohms.
to improve signal conductivity and durability compared to standard plastic cables. Concept Kart Device Compatibility
The CX31993 is a highly popular, budget-friendly USB-C DAC (Digital-to-Analog Converter) chip found in dozens of portable dongles. While it offers impressive audio resolution for its price, users frequently encounter hardware and software configuration issues. Frequency Response: 20Hz – 20kHz
| Parameter | Specification | Notes & Confidence | | :--- | :--- | :--- | | | 32-bit | Official Conexant page via WarmSeaIC | | Max PCM Sample Rate | 384 kHz | Official Conexant page; confirmed by independent audio tests | | DSD Support | DSD64/128 (DoP) | Found in most dongle specs (e.g., JCALLY, Celest) | | SNR (Signal-to-Noise Ratio) | >128 dB | Widely cited in product specs / WarmSeaIC summary | | DNR (Dynamic Range) | >120 dB | Cited in many product descriptions | | THD+N (Total Harmonic Distortion + Noise) | <0.0003% | Cited in many product descriptions | | Output Power (Standard) | 65mW @ 16Ω / 30mW @ 32Ω | Cited in many product descriptions | | Supported Headphone Impedance | 16Ω – 600Ω | Cited in many product descriptions | | Power Supply Voltage | ~5V | USB bus-powered | | Power Consumption | Very low | "Runs cool" / consumes only a few milliamps per official CX31993 page | | Amplifier Topology | Class G (at least in Framework Card implementation) | Direct from a developer contact with Conexant | This noise might be filterable | | Output Voltage (Vrms) | 1.0–1.1V (standard standalone) | For standard CX31993 dongles, confirmed by ASR Meizu mBlu discussion | | Output Voltage (MAX97220 combo) | Up to ~2V (high-gain) | This voltage doubling may cause hiss with ultra-sensitive IEMs |
Android natively downsamples all audio to 16-bit/48kHz. To hear true high-resolution audio through your CX31993: