
CX31993 USB-C DAC Chip: The Ultimate Datasheet & Technical Overview
Android (95%+ of Type-C devices), Windows 10, Apple system (macOS/iOS) Supports phone calls and inline cable controls Audio Characteristic cx31993 datasheet
and Facebook groups spent years hunting for the spec sheet to verify its claims or filter out specific electrical noise. The "Leak": CX31993 USB-C DAC Chip: The Ultimate Datasheet &
Output Power (Thrust): Approximately 65mW (usually at 32 ohms), capable of driving most standard IEMs and efficient headphones. DSD Support: Compatible with DSD64/128 (often via PCM). Functionality & Compatibility Home theaters AV receivers TV and audio equipment
| Parameter | Measured Value | | --- | --- | | Output Impedance | < 2 Ω | | Max Output (32Ω load) | 1 Vrms (~31 mW) | | Max Output (no load) | 2 Vrms | | SNR (A-wt) | 119 dB | | Crosstalk | -85 dB @ 1 kHz | | Frequency Response | ±0.1 dB (20 Hz – 20 kHz) | | Jitter (USB bus-powered) | < 50 ps RMS |
For engineers, the CX31993 datasheet specifies a compact form factor (usually a QFN package). Key pins include: VBUS/GND: Power delivery from the USB source. D+/D-: Differential data lines for USB communication.