This article provides a comprehensive overview of the ALC271X datasheet specifications, functionality, pinout details, and typical application scenarios for system design engineers and hardware integrators. 1.
The reference timing clock governing bus communication synchronization.
Typically housed in a 48-pin QFN (Quad Flat No-lead) package, making it suitable for compact motherboard designs.
Connects to the host system via a high-speed HDA link. alc271x datasheet
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
The IC is typically packaged in a space-saving layout, measuring 6mm x 6mm. Variations include the ALC271X-VB3-GR and ALC271X-VB6-CG , which feature specialized silicon steppings but maintain fundamentally compatible core pin definitions. Function Type Pin Description HDA_BIT_CLK Digital Input 24MHz bit clock input from host controller HDA_SDATA_OUT Digital Input Serial data input stream from controller HDA_SDATA_IN Digital Output Serial data output stream to controller HDA_SYNC Digital Input Frame sync signal mapping audio samples HDA_RST# Digital Input Active low hardware reset signal LINE1-L / LINE1-R Analog Input Stereo line-level input channels MIC1-L / MIC1-R Analog Input Microphone inputs with configurable pre-amps HP-OUT-L / R Analog Output High-current headphone driver outputs AVDD / DVDD Power Supply Analog (3.3V to 5V) and Digital (1.5V to 3.3V) rails Technical Circuit Design and Implementation
The is packaged in a 48-pin QFN (QFN-48), offering a small footprint necessary for modern, thin laptops and tablets. Description Analog In/Out Stereo Headphone Out, Line Input, Microphone Inputs. Digital I/O HDA Link pins (SDO, SDI, BCLK, SYNC, RESET#). Power Digital and Analog power rails (typically 3.3V/1.8V). Control Jack detection pins and GPIOs. This article provides a comprehensive overview of the
) entirely over the digital ground plane. Never allow these high-speed digital traces to cross over sensitive analog trace fields ( ) to prevent audible digital hum or whine.
: Houses high-quality stereo DACs supporting up to 24-bit resolution with wide sampling rates ranging from 8 kHz to 192 kHz .
: If a device manager fails to detect the chip, trace the active-low hardware reset ( HDA_RST# ) pin. It must pull up cleanly to the digital VDD voltage rail shortly after system power sequencing stabilizes. ALC271X Realtek – Price, Stock & Datasheet - WIN SOURCE Typically housed in a 48-pin QFN (Quad Flat
Understanding the technical boundaries of this integrated circuit (IC) requires analyzing the . This article provides an extensive, engineering-focused breakdown of its system architecture, pin assignments, electrical performance, and hardware deployment constraints. Core Hardware Architectural Specifications
The is a highly integrated, high-performance Audio Codec IC designed primarily for laptops, netbooks, desktop computers, and multimedia motherboards. Engineered by Realtek Semiconductor Corp. , this chip acts as a bridge between a computer's central processor and its analog audio components, including microphones, speakers, and headphones.