Alc271x — Datasheet Better
| Feature | Description | |---------|-------------| | | Intel® High Definition Audio (HDA) Specification v1.0 compliant | | Channels | 4 channels output (stereo + additional line-out / headphone), 2 channels input | | DAC/ADC Resolution | 24-bit, up to 192 kHz sample rate (DAC); 96 kHz for ADC (typical) | | SNR | DAC ~95 dB (A-weighted), ADC ~85 dB (typical) | | Outputs | Stereo headphone output, stereo line-out, optional mono speaker amplifier | | Inputs | Stereo line-in/mic-in (shared), digital mic interface (DMIC) support | | Jack Detection | Jack sensing and retasking (HDA feature) | | Power | Low power consumption: < 100 mW typical, < 20 mW in standby | | Voltage | 3.3V digital core, 3.3V/5V tolerant analog I/O | | Package | QFN-48 (typical) or similar small-footprint package |
This article is for educational purposes. All trademarks (Realtek, AC'97, Intel) are property of their respective owners. Always refer to the official ALC271X datasheet for manufacturing guidelines. alc271x datasheet
When designing with the ALC271X, several factors should be considered, including: | Feature | Description | |---------|-------------| | |
The is more than a sheet of specs; it is the reference guide for maintaining a generation of affordable, reliable PC audio. While modern sound cards boast 120dB SNR and 7.1 virtual surround, the simplicity of the AC'97 interface and the robust design of the ALC271X ensure it remains in millions of industrial machines and legacy PCs. When designing with the ALC271X, several factors should
Features 50mW/8Ω amplifiers at Line/Headphone outputs and an external amplifier power-down capability.