Cx31993 Datasheet [top] Jun 2026

The is a high-performance USB-C Audio DAC (Digital-to-Analog Converter) chip widely used in budget-friendly "dongle" adapters to improve sound quality on smartphones and computers. While a full technical datasheet from the manufacturer is not publicly available, community-sourced specifications provide a clear picture of its capabilities. Key Specifications

Whether you are a developer troubleshooting a driver or an enthusiast trying to understand why your favorite pair of wired IEMs sounds so good on a specific device, here is the breakdown of what makes the CX31993 important. cx31993 datasheet

Greater than 128dB , ensuring a very clean signal with minimal background hiss. Dynamic Range (DNR): Greater than 120dB . The is a high-performance USB-C Audio DAC (Digital-to-Analog

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at 32 ohms. It is more than capable of driving standard IEMs, earbuds, and even efficient over-ear headphones, offering superior volume and dynamics compared to built-in headphone jacks on many devices. Greater than 128dB , ensuring a very clean

The CX31993 is a mixed-signal IC that combines analog and digital circuits on a single chip. It is designed to provide a high level of integration, making it suitable for a wide range of applications, including audio processing, telecommunications, and industrial control systems. The IC is manufactured using a CMOS process, which enables low power consumption and high reliability.