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Fully compliant with Intel’s High Definition Audio Specification.
For the best compatibility with ALC271X on modern Linux distributions (Ubuntu 20.04+, Fedora 35+, Arch Linux):
typically found in laptop and netbook motherboards. It is designed to provide high-fidelity audio processing with integrated features like headphone amplifiers and digital-to-analog converters (DACs). IC Components Key Technical Specifications The ALC271X belongs to the same family as the more common
The datasheet details several key technical parameters that make the ALC271X a versatile choice: alc271x datasheet
| Source | Variant | Availability | |--------|---------|--------------| | | ALC271X‑VB6‑CG, ALC271X‑VB3‑GR | Datasheet PDF link provided on product page | | Datasheet39.com | ALC271X (generic) | PDF download for "ALC271X Audio Codec IC CHIP for Laptop Motherboards" | | Bonchip | Multiple variants | Chinese and European sites offer PDF downloads | | Ariat‑Tech | ALC271X | Datasheet, inventory, and pricing information |
To confirm you have an ALC271X, check the Hardware ID in your system properties. It will usually look like HDAUDIO\FUNC_01&VEN_10EC&DEV_0271 .
In HD Audio mode, this pin goes HIGH to turn on an external amplifier (usually a cheap Class-D amp for laptop speakers). In AC’97 mode, this pin is a GPIO. In AC’97 mode, this pin is a GPIO
While the average user doesn't need this, if you are writing a Linux ALSA driver or a Windows UAA patch, the alc271x datasheet provides a register map on pages 50-65.
Fully compliant with Intel’s High Definition Audio Specification.
The primary application, enabling high-definition audio jack output and microphone input. and applications of the ALC271X.
Advanced power management features are often included to minimize power consumption and heat generation, which is crucial for battery-powered devices.
The ALC271X datasheet provides a comprehensive overview of this highly integrated audio codec chip. With its high-quality audio performance, flexible audio interfaces, and low power consumption, the ALC271X is an attractive option for designers and engineers looking to integrate audio capabilities into their applications. By understanding the chip's features, specifications, and functionality, designers can unlock the full potential of the ALC271X and create innovative audio solutions.
The ALC271X is a high-performance audio codec chip designed by Realtek, a leading company in the field of audio and multimedia solutions. This datasheet provides an in-depth look at the features, specifications, and applications of the ALC271X.
