Cx31993 Datasheet Fix Better ((free)) Review

117dB to 128dB (depending on implementation). Dynamic Range (DNR): 117dB to >120dB. THD+N (Distortion): -95dB (approx. 0.0003%). Output Power (Thrust): 65mW at 32Ω. Output Impedance: Typically 0.5Ω (ultra-low) to 2Ω. Frequency Response: 20Hz – 20kHz.

Always pull I²C lines high (2.2kΩ to 3.3V) even if you don’t use it. The chip floats otherwise.

Connect your dongles and grant the app exclusive access to the USB device when prompted.

Very low Total Harmonic Distortion + Noise, ensuring an accurate, clean sound. 32-bit/384kHz: High-resolution support. cx31993 datasheet fix better

implementation is often found when paired with a MAX97220 or similar amplifier chip. This combination handles high-impedance headphones better, providing increased thrust (power) while keeping the, sometimes, overly analytical nature of the raw II. Optimal Software Setup (Android/PC)

This reduces ultrasonic noise from the Σ-Δ modulator, dropping THD+N to <0.003% (20Hz–20kHz).

is an integrated, single-chip digital audio codec designed primarily for ultra-portable mobile devices, automotive entertainment systems, and Type-C communication peripherals. Datasheet Standard Rating 32-bit / 384 kHz ADC Recording Rate 24-bit / 96 kHz Signal-to-Noise Ratio (SNR) >124dB to 128dB (A-weighted typical) Dynamic Range (DNR) Total Harmonic Distortion (THD+N) 0.0003% (-95dB) Standard Output Power (Thrust) 50mW @ 16Ω / 65mW @ 32Ω Interchannel Crosstalk -53dB to -55dB Key Hardware Strengths 117dB to 128dB (depending on implementation)

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Some batches enumerate as “Conexant USB Audio” without a unique PID/VID.

Download a bit-perfect media player like , Hiby Music , or Neutron Music Player . Frequency Response: 20Hz – 20kHz

Frustratingly, your CX31993 dongle might work perfectly on a PC but crackle or fail to be detected at all on an Android phone.

has quietly revolutionized the budget audiophile scene. As a high-performance, low-cost Type-C DAC (Digital-to-Analog Converter) chip, it often outperforms dongles costing five times its price, boasting impressive specs like 32-bit/384kHz sampling rates, SNR >128dB, and low distortion. However, many users purchasing unbranded " Go to product viewer dialog for this item.

| Parameter | Specification | Notes & Confidence | | :--- | :--- | :--- | | | 32-bit | Official Conexant page via WarmSeaIC | | Max PCM Sample Rate | 384 kHz | Official Conexant page; confirmed by independent audio tests | | DSD Support | DSD64/128 (DoP) | Found in most dongle specs (e.g., JCALLY, Celest) | | SNR (Signal-to-Noise Ratio) | >128 dB | Widely cited in product specs / WarmSeaIC summary | | DNR (Dynamic Range) | >120 dB | Cited in many product descriptions | | THD+N (Total Harmonic Distortion + Noise) | <0.0003% | Cited in many product descriptions | | Output Power (Standard) | 65mW @ 16Ω / 30mW @ 32Ω | Cited in many product descriptions | | Supported Headphone Impedance | 16Ω – 600Ω | Cited in many product descriptions | | Power Supply Voltage | ~5V | USB bus-powered | | Power Consumption | Very low | "Runs cool" / consumes only a few milliamps per official CX31993 page | | Amplifier Topology | Class G (at least in Framework Card implementation) | Direct from a developer contact with Conexant | This noise might be filterable | | Output Voltage (Vrms) | 1.0–1.1V (standard standalone) | For standard CX31993 dongles, confirmed by ASR Meizu mBlu discussion | | Output Voltage (MAX97220 combo) | Up to ~2V (high-gain) | This voltage doubling may cause hiss with ultra-sensitive IEMs |