Alc271x Datasheet !!hot!! | FAST ⇒ |

Generally a 4-channel DAC (supporting 2.1 speaker setups or independent headphone/speaker streams) and a 4-channel ADC.

The is a high-performance, low-power High Definition (HD) Audio Codec integrated circuit widely deployed in laptop motherboards, desktop PCs, and embedded multimedia systems. Designed by Realtek Semiconductor Corp., this IC acts as the primary hardware interface between a computer's operating system and its physical audio components—such as built-in speakers, external headphones, microphone arrays, and line-in jacks.

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The ALC271X adheres strictly to the . This compliance ensures native hardware interoperability with legacy system designs, eliminating the need for complex, proprietary controller logic. Intelligent Jack-Detect State Machine

: Integrates high-performance DACs and ADCs supporting multi-channel PCM audio playback and recording formats up to 24-bit/192kHz sampling rates. Generally a 4-channel DAC (supporting 2

The ALC271X's blend of high performance and low power consumption makes it a preferred choice for several sectors:

To prevent digital switching noise from contaminating analog audio, the ALC271X isolates its power distribution: This public link is valid for 7 days

The is a high-performance, multi-channel HD Audio Codec designed for mainstream laptops, notebooks, and embedded systems. As a member of Realtek’s widely adopted HD Audio family, it provides analog-to-digital and digital-to-analog conversion with a focus on low power consumption and robust noise filtering for mobile applications.

The (including variants like ALC271, ALC271X-VB, etc.) is a High Definition Audio (HDA) stereo codec chip designed by Realtek. It is commonly found in laptops and ultrabooks, offering a balance of performance and power efficiency.