The CX31993 integrates three primary functional blocks:
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The chip's low latency, high SNR, and microphone support make it well-suited for gaming headsets and adapters. The clean, low-distortion output also benefits competitive gamers who rely on accurate positional audio cues.
Route the USB D+ and D- traces as a differential pair with a target differential impedance of 90 cx31993 datasheet
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
The DAC is designed to be recognized immediately by Windows 10/11, Android (via Type-C), and macOS, usually without requiring proprietary drivers.
: Typically 65mW into a 32Ω load, providing roughly 1V RMS output. Architecture and Application The CX31993 integrates three primary functional blocks: user
Full native support (Direct USB Audio access supported via applications like USB Audio Player Pro for bit-perfect playback).
Eliminates bulky DC-blocking coupling capacitors on the headphone outputs. This flattens low-frequency bass extension and saves valuable PCB surface area. 2. Technical Specifications & Parametric Benchmarks
The CX31993 features embedded ROM/Flash memory containing standard USB Audio Class (UAC 2.0) firmware. Plug-and-Play OS Support I'll start with the first round of searches
Due to its efficient design, the chip does not consume significant battery power from the host device.
The CX31993 is built on a single-chip architecture and boasts an extremely simple peripheral circuit design. It can implement high-quality audio output with just a minimal number of passive components. In many commercial products, the CX31993 is paired with an external operational amplifier (op-amp), such as the MAX97220. This "dual-chip" configuration combines the DAC capabilities of the CX31993 with the high-power drive capability of the MAX97220, achieving a significant leap in sound quality and power output.
: It is noted for running cool and having minimal impact on a smartphone's battery life, often consuming only about 2% extra battery per hour of use.
The CX31993 is —an exceptionally wide range that covers everything from sensitive in-ear monitors to high-impedance studio headphones. The output power specifications vary slightly depending on the implementation:
: Usually 8-strand silver-plated copper for better durability and signal integrity.