Cx31993 Datasheet Fix Better !!better!! Here

Always buy the CX31993 from official Synaptics distributors (Mouser, DigiKey). Counterfeit chips often have broken I²C and higher clock jitter.

and volume controls, ensuring you don't lose headset features when upgrading your sound. Physical Build : Many CX31993-based adapters, such as those found on 8-strand silver-plated copper wire cx31993 datasheet fix better

| Parameter | Incorrect (bad copies) | | |-----------|----------------------|-------------------| | Supply voltage | 5V only | 3.3V – 5V (internal LDO) | | Output power | Unspecified or wrong | Up to 70mW into 32Ω | | SNR | 110dB (understated) | 124dB (A-weighted) | | THD+N | 0.004% | 0.0008% (-102dB) | | Supported sample rates | 32-192kHz | 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384kHz | | DSD support | "No" or unspecified | DSD64, DSD128, DSD256 (DoP) | Always buy the CX31993 from official Synaptics distributors

22.5mA (standby) / 38mA (operating) [approx. based on typical USB-C implementations]. Known "Fixes" & Optimization Tips If your goal is to "fix" or improve a Physical Build : Many CX31993-based adapters, such as

The CX31993 has automatic impedance detection (low gain for <30Ω, high gain for >100Ω). Without the datasheet, we cannot manually set gain. However,

Users frequently report a buzzing or "hissing" sound, especially with sensitive In-Ear Monitors (IEMs). Conexant (CX-Pro) CX31993 USB-C Amp/DAC Review

Use a 12.5pF crystal (e.g., ECS-.327-12.5-13) with 15pF caps to ground. Avoid 6pF or 9pF types—they cause startup failures or excessive jitter.