• Average Refresh Period: 7.8us at lower than TCASE 85
°
C, 3.9us at 85
°
C < TCASE < 95
°
C
• Asynchronous Reset
• Package : 96 balls FBGA - x16
• All of Lead-Free products are compliant for RoHS
• All of products are Halogen-Freetr
1.2.4 Realtek ALC633 High Definition Audio System
The ALC663 is a 5.1 Channel High Definition Audio Codec designed for Windows system. Its performance and
functionality meet the latest Microsoft® WLP (Windows Logo Program) 3.10 and future requirement date of June
01,2008.
Featuring three stereo DACs, two stereo ADCs, legacy analog input to analog output mixing, one stereo digital
microphone converter and two independent S/PDIF output converters to provide a fully integrated audio solution
for multimedia desktop and mobile PCs, and ultra mobile devices.
Two stereo ADCs and one stereo digital microphone converter support analog microphone recording and digital
microphone recording simultaneously with Realtek proprietary Acoustic Echo Cancellation (AEC), Beam Forming
(BF), and Noise Suppression (NS) technologies, to improve user experience for VoIP and voice recognition such as
applications relay on good voice quality.