Realtek ALC892-CG

ALC892-CG General Description

The ALC892-CG is a high-definition audio codec chip manufactured by Realtek. It is designed to provide high-quality audio sound for computer systems, including PCs, laptops, and motherboards. - High-performance 7.1+2 Channel High Definition Audio Codec - 4 DACs with Signal-to-Noise Ratio (SNR) of 98dB - Capable of supporting up to 192kHz/24bit audio resolution - Dedicated digital-to-analog converters for each audio channel - Supports both analog and digital audio inputs and outputs - Integrated headphone amplifier for high-quality headphone audio - Advanced audio features like Dolby Master Studio and DTS Connect - Low power consumption and EMI reduction technologies

Features

• Hardware Features
• DACs with 95dB SNR (A-weighting), ADCs with 90dB SNR (A-weighting)Ten DAC channels support 16/20/24-bit PCM format for 7.1 channel sound playback, plus 2 channels of concurrent independent stereo sound output (multiple streaming) through the front panel outputTwo stereo ADCs support 16/20/24-bit PCM format, multiple stereo recordingAll DACs supports 44.1k/48k/96k/192kHz sample rateAll ADCs supports 44.1k/48k/96k/192kHz sample ratePrimary 16/20/24-bit SPDIF-OUT supports 32k/44.1k/48k/88.2k/96k/192kHz sample rateSecondary 16/20/24-bit SPDIF-OUT supports 32k/44.1k/48k/88.2k/96k/192kHz sample rate16/20/24-bit SPDIF-IN supports 44.1k/48k/96k/192kHz sample rateAll analog jacks (port-A to port-G) are stereo input and output re-taskingPort-D/E/F built-in headphone amplifiersPort-B/C/E/F with software selectable boost gain (+10/+20/+30dB) for analog microphone inputHigh-quality analog differential CD inputSupports external PCBEEP input and built-in digital BEEP generatorSoftware selectable 2.5V/3.2V/4.0V VREFOUTUp to four channels of microphone array input are supported for AEC/BF applicationsThree jack detection pins; each designed to detect up to 4 jacksSupports legacy analog mixer architectureUp to two GPIOs (General Purpose Input and Output) for customized applications. GPIO0 and GPIO1 share pin with DMIC-CLK and DMIC-DATASupports mono and stereo digital microphone interface (pins shared with GPIO0 and GPIO1)Supports anti-pop mode when analog power LDO-IN is on and digital power is offContent Protection for Full Rate lossless DVD Audio, Blu-ray DVD, and HD-DVD audio content playback (with selected versions of WinDVD/PowerDVD/TMT)1dB per step output volume and input volume controlSupports 3.3V digital core power, 1.5V or 3.3V digital I/O power for HD Audio link, and 5.0V analog powerIntel low power ECR compliant and power status control for each analog/digital converter and pin widget48-pin LQFP ‘Green’ package
• Software Features
• Meets Microsoft WLP 3.x and future WLP audio requirementsWaveRT-based audio function driver for Windows Vista and Windows 7Direct Sound 3D™ compatibleI3DL2 compatible7.1+2 channel multi-streaming enables concurrent gaming/VoIPEmulation of 26 sound environments to enhance gaming experienceMultiband software equalizer and tools providedVoice Cancellation and Key Shifting effectDynamic range control (expander, compressor, and limiter) with adjustable parametersIntuitive Configuration Panel (Realtek Audio Manager) to enhance user experienceMicrophone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice applicationsSmart multiple streaming operationHDMI audio driver for AMD platformOptional Dolby PCEE program, SRS TruSurround HD, SRS Premium Sound, Fortemedia SAM, Creative Host Audio, Synopsys Sonic Focus, DTS Surround Sensation | UltraPC, and DTS Connect licenses

Application

• The ALC892-CG is widely used in various computer systems and is especially popular in gaming PCs, multimedia setups, and home theater systems. It provides immersive audio experiences for gaming, movie watching, and music playback. The chip also supports advanced audio features for virtual surround sound and enhanced audio effects.

Specifications