: Approximately 0.0003% (measured at -95dB).
Audio performance is highly dependent on power supply quality. Recommendations include:
The chip is an "all-in-one" solution commonly found in budget audiophile "dongles" (USB-C to 3.5mm adapters) such as the or Abigail .
One of the chip's most remarkable features is its , which eliminates the need for an external crystal. This simplifies PCB design, reduces bill-of-materials (BOM) costs, and minimizes the risk of clock-related interference. The chip is plug-and-play , requiring no additional drivers and offering seamless compatibility across Windows, macOS, Android, and iOS.
On Windows 11, some users have reported that high sample rates (384kHz) might conflict with certain "Spatial Audio" settings, requiring a bit of manual toggling in the sound control panel [12]. 🏆 The Verdict cx31993 datasheet
Beyond pure music playback, the CX31993 supports . This feature enables headsets with inline microphones to be used for voice calls, gaming communication, and voice recording, expanding the chip's utility beyond dedicated music listening.
Since the official PDF is restricted, the hardware community has mapped the CX31993 in USB-C dongles (like the Ugreen 50744 and CableCreation). The chip is usually a 3mm x 3mm QFN.
If a visual block diagram were present in the official datasheet, it would show the following internal architecture:
This article acts as a comprehensive guide based on available datasheet information, exploring the technical specifications, performance metrics, and capabilities of the CX31993 chip. What is the CX31993 DAC Chip? : Approximately 0
Android (95%+ of Type-C devices), Windows 10, Apple system (macOS/iOS) Supports phone calls and inline cable controls Audio Characteristic
is its support for 32-bit/384kHz audio sampling, which is significantly higher than the standard CD quality or even
The CX31993's eliminates the need for an external crystal or clock source, significantly simplifying PCB layout and reducing BOM cost. The chip requires only a minimal number of passive components (capacitors, resistors) around it to function, enabling compact, single-sided PCB designs.
The CX31993 is a highly integrated, low-power USB Type-C digital-to-analog converter (DAC) designed for high-resolution audio applications. It bridges the gap between digital USB-C outputs and analog headphones, providing a significant upgrade over the standard audio processing found in most smartphones and laptops. Key Specifications at a Glance: Up to 384kHz Bit Depth: 32-bit One of the chip's most remarkable features is
DATASHEET CX31993: "THE GATEKEEPER"
For consumers, devices powered by the CX31993 provide an affordable pathway to audibly transparent audio reproduction. Whether used as a simple USB-C to 3.5mm adapter or integrated into a more sophisticated portable DAC/amp, the CX31993 consistently delivers clean, accurate, and detailed sound that fully reveals the nuances of high-resolution recordings.
A: No. The chip is powered entirely through the USB-C connection and does not require any external power source. This is a key advantage for portable applications.