ALC658-LF datasheet(6/51 Pages) REALTEK

6 / 51 page

ALC658

Datasheet

Six-Channel AC’97 2.3 Audio Codec

Rev. 1.3

Feature

Meets performance requirements for audio on

PC99/2001 systems

Meets Microsoft WHQL/WLP 2.0 audio

requirements

Six Channels DA Converters with variable rate

Two pairs of stereo AD Converters with variable

rate

Compliant with AC’97 2.3 specifications

-Front-Out, Surround-Out, Cen/Lfe-Out, MIC-

In and LINE-In Jack Sensing

-14.318MHz to 24.576MHz PLL to save crystal

-12.288MHz BITCLK input can be consumed

-Integrated PCBEEP generator to save buzzer

-Interrupt capability

-Page and Analog Plug & Play Registers

Three analog line-level stereo inputs with 5-bit

volume control: LINE_IN, CD, AUX

High quality differential CD input

Two analog line-level mono input: PCBEEP,

PHONE-IN

Two software selectable MIC inputs

A dedicated Front-MIC input for front panel

applications (software selectable)

Dedicated Back-Front-Out pin.

+6/12/20/30dB boost preamplifier for MIC input

LINE Input shared with surround out, MIC input

shared with Center and LFE out (FlexJack®)

6-Bit volume control for Front-Out, Surround-Out

and CEN/LFE-Out

Both Front-out and AUX have integrated

50mW/20

Ω amplifiers

External Amplifier Power Down (EAPD)

Power management and enhanced power saving

features

Stereo MIC record for AEC/BF application

Supports Power Off CD function

Adjustable VREFOUT control

Supports double sampling rate (96KHz) of DVD

audio playback

Support 32K/44.1K/48K/96KHz of S/PDIF output

Support 32K/44.1K/48KHz of S/PDIF input

2 Universal Audio Jacks (UAJ)® for front panel

5 Jack Detect pins for automatic Jack sensing

Power support: Digital: 3.3V; Analog: 3.3V/5V

Standard 48-Pin LQFP Package

EAX™ 1.0&2.0 compatible

Direct Sound 3D™ compatible

A3D™ compatible

I3DL2 compatible

HRTF 3D Positional Audio

Sensaura™ 3D Enhancement (optional)

10 Bands of Software Equalizer

Voice Cancellation and Key Shifting in Karaoke

mode

AVRack® Media Player

Configuration Panel to improve Experience of

User

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