Alc271x Datasheet Page
This article serves as a comprehensive technical resource for anyone seeking information about the ALC271X datasheet, including its key specifications, package variants, application circuits, driver support, and practical guidance for sourcing the document.
The ALC271X is a highly integrated audio codec chip designed by Realtek, a renowned leader in the field of audio technology. This chip is widely used in various applications, including desktop and laptop computers, tablets, smartphones, and other portable devices. The ALC271X datasheet provides a detailed overview of the chip's features, specifications, and functionality, which is essential for engineers, designers, and developers looking to integrate this chip into their designs.
Acer and other OEM service manuals often contain complete audio codec specifications. The offers detailed ALC271X‑VB6‑CG electrical characteristics. alc271x datasheet
24MHz clock input from the host controller.
The 48-pin QFN layout splits functions into three domains: Digital I/O, Analog I/O, and Power/Ground Reference. A typical pin map from the datasheet follows this functional hierarchy: Pin Function Groupings ALC271X-VB6-CG Realtek – Price, Stock & Datasheet This article serves as a comprehensive technical resource
The ALC271X datasheet highlights several key features that make this chip an attractive option for audio designers:
This chip belongs to Realtek's legacy HD Audio codec family and was widely adopted by major laptop manufacturers such as Acer, which incorporated the ALC271X into numerous models including the Aspire V3-571G, Aspire V5-571G, Aspire One AO725, TravelMate P243, and Aspire 4739 series. For context, the ALC271X is positioned as a "lightweight" codec in Realtek's lineup—a 2-channel solution optimized for portability and low power consumption, in contrast to desktop-oriented 8-channel codecs like the ALC885. The ALC271X datasheet provides a detailed overview of
High-current outputs routed directly to the internal chassis speakers. 4. Hardware ID, Device ID, and Driver Implementation
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Always verify pin compatibility and electrical characteristics before attempting a direct replacement in a production design.
The ALC271X shares similarities with the and ALC272 series, often appearing in similar, if not identical, QFN-48 packaging. However, the ALC271X is frequently favored for specific OEM requirements demanding optimized noise management or power efficiency.