Alc271x Datasheet [verified] Jun 2026

The ALC271X is a high-performance audio codec chip designed for use in desktop and mobile computers, as well as other digital devices. It features a range of audio-related functions, including:

If you tell me what you’re trying to do with the ALC271X (fix audio routing, add jack detection, design a carrier board, etc.), I can point you to the exact pages/registers you need. alc271x datasheet

In many cases, "Code 10" errors in Windows aren't hardware failures but rather a mismatch between the Realtek generic driver and the OEM’s specific implementation. The ALC271X is a high-performance audio codec chip

Like similar models such as the Realtek ALC898 , it is designed to achieve high SNR (often exceeding 100dB) to provide clear, "hiss-free" audio for headphones and speakers. Like similar models such as the Realtek ALC898

Its low power profile made it a favorite for the 10-inch netbook era.

The Realtek ALC271X (often ALC271X-VB6-CG) is a 48-pin MQFN High Definition Audio Codec frequently used in mobile computing platforms, sharing high architectural overlap with the ALC269 series . It supports Intel HDA links and features specific, often paired with "alc271-dmic" Linux kernel workarounds for digital microphone support . For detailed technical specs, review the Realtek ALC269 Datasheet . Realtek ALC269 DataSheet 1.5