: Supports analog-to-digital conversion (ADC) for microphones at 24-bit/96kHz , making it suitable for clear voice calls and gaming. Universal Compatibility
In the world of consumer electronics, few components have had as quiet yet profound an impact as the . If you have purchased a USB-C to 3.5mm dongle in the last four years—from brands like Apple, Google, or countless third-party manufacturers—there is a high probability you have used a device powered by this chip. Cx31993 Datasheet
| Parameter | Conditions | Min | Typ | Max | Unit | |-----------|------------|-----|-----|-----|------| | Supply voltage (VBUS) | USB spec | 4.75 | 5.0 | 5.25 | V | | Current consumption (playback) | 32Ω, 1mW | — | 30 | — | mA | | Current consumption (idle) | No audio | — | 10 | — | mA | | Headphone output level | 32Ω, 1% THD | — | 1.0 | — | Vrms | | Output impedance | — | — | 0.5 | — | Ω | | Crosstalk | 1 kHz | — | -100 | — | dB | | PSRR | 217 Hz, 100mV ripple | 70 | — | — | dB | | Parameter | Conditions | Min | Typ
Note: Exact pin functions may vary by implementation — always check vendor-specific datasheet. and robust processing power
As a High Definition (HD) Audio codec, the Cx31993 is responsible for converting analog audio signals (like sound from a microphone) into digital data that a computer can process, and conversely, converting digital audio files back into analog signals that can be played through speakers or headphones. Its popularity stems from its small footprint, energy efficiency, and robust processing power, making it a staple in modern mobile computing architectures.
