Product Summary

The ALC662-GR is a 5.1 Channel High Definition Audio Codec designed for Windows Vista premium desktop and mobile PCs. The ALC662-GR meets audio performance and function requirements for the latest Microsoft WLP3.10 (Windows Logo Program). The ALC662-VC0 is an upgraded version of the ALC662-GR that passes stricter WLP performance requirements. The ALC662-GR features three stereo DACs. two stereo ADCs, and legacy analog input to analog output mixing, to provide fully integrated audio solutions for multimedia PCs and ultra mobile devices. All analog 10 (except CD-IN and PC BEEP) are input and output capable, and three headphone amplifiers are also integrated to drive earphones on front (poit-E and port-F) and rear panel (poit-D).


Parametrics

ALC662-GR absolute maximum ratings: (1)Digital Power for Core DVDD: 2.7 to 3.6 V; (2)Digital Power for HDA Link DVDD-IO: 1.5 to 3.6 V; (3)Analog AVDD: 3.0 to 5.5 V; (4)Ambient Operating Temperature Ta: 0 to +70 ℃; (5)Storage Temperature Ts: +125 ℃; (6)Digital Pins: 3500V; (7)Analog Pins: 4000V.



Features

ALC662-GR features: (1)Meets premium audio requirements for Microsoft WLP 3.10 (ALC662 and ALC662-VC0)Meets stricter performance requirements for future WLP (ALC662-VC0); (2)Six-channel DAC supports 16/20/24-bit PCM format for 5.1 channel audio solution; (3)Two stereo ADCs support 16/20-bit PCM format; (4)All DACs support independent 44. Ik 4Sk 96kHz sample rate; (5)All ADCs support independent 44. lk4Sk 96kHz sample rate; (6)Supports 44. Ik 48k 96kHz SPDIF output; (7)All analog jack ports are stereo input and output re-tasking; (8)Analog differential CD input; (9)Supports analog PCBEEP input; (10)Integrates digital BEEP generator; (11)Up to four channels of microphone array input are supported for AEC/BF application Supports legacy analog input to analog output mixer; (12)Three built-in headphone amplifiers for port-D (rear panel). port-E and port-F (front panel); (13)Software selectable 2.5V and 3.2V reference output for microphone bias; (14)Software selectable boost gain (+10/-20/+30dB)for analog microphone input; (15)Two jack detection pins: each supports detection of up to 4 jacks; (16)Jack detection function is supported when device is in power down mode (D3); (17)Supports two GPIO pins (General Purpose Input Output); (18)Supports EAPD (External Amplifier Power Down)control for external amplifier.


Diagrams

ALC662-GR pin connection

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