Integrating Mixed-Signal Solutions 4-Channel AC'97 Codec with Mul

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Integrating Mixed-Signal Solutions 4-Channel AC'97 Codec with Mul

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STAC9708/11
Integrating Mixed-Signal Solutions
4-Channel AC'97 Codec with Multi-Codec Option
DESCRIPTION
SigmaTel's STAC9708/11 general purpose 18-bit, full duplex, audio codec that conforms analog component specification AC'97 (Audio Codec Component Specification Rev. 2.1). STAC9708/11 incorporates SigmaTel's proprietary technology achieve excess DACs, ADCs, mixer integrated with analog I/Os, which include four analog line-level stereo inputs, analog linelevel mono inputs, stereo outputs, mono output channel. Also included additional high quality DACs, with independent volume control, multi-channel applications. With SigmaTel's stereo enhancement (SS3D), independently selectable both LINE OUT, multi-channel mode immerses user richer livelier listening experience. STAC9708/11 used secondary codec, with STAC9704/07 primary, multiple codec configuration conforming AC'97 Rev. specification. This configuration provide true six-channel, AC-3 playback required applications. STAC9708/11 communicates five-wire AC-Link digital component AC'97 providing flexibility audio system design. Packaged AC'97 compliant 48-pin TQFP, STAC9708/11 placed motherboard, daughter boards, add-on cards, PCMCIA cards. three jack, four connector mode allows MIC, SDAC-OUT connect standard connector.
OVERVIEW
4-channel codec with stereo capability. used primary secondary codec 6channel stereo system with AC-3 playback applications when paired with STAC9721. WHQL compliant with SigmaTel soft audio drivers, STAC9708 allows customers produce truly cost-effective soft audio solution.
FEATURES High performance technology additional high quality DAC's
multi-channel applications
18-bit full duplex stereo ADC, DACs AC-Link protocol compliance Multiple power supply options compatible with STAC9704/07 SigmaTel Surround (SS3D) Stereo Enhancement Energy saving power down modes Multi-Codec option (Intel AC'97 2.1) analog line-level inputs Available 48-pin TQFP package through Mixer Three jack, four connector capability
ORDERING INFORMATION
Part Number STAC9708T STAC9711T Package 48-pin TQFP 1.4mm 48-pin TQFP 1.4mm Temp Range Supply Range DVdd 3.3V 5.0V, AVdd 5.0V DVdd 3.3V, AVdd 3.3V
2-9708-P1-2.0-1100
STAC9708/11
4-Channel AC'97 Codec with Multi-Codec Option
STAC9708/11 BLOCK DIAGRAM
AC-Link
SYNC BIT_CLK SDATA_OUT SDATA_IN RESET#
Power Management
stereo sources
mono sources Stereo Mono DAC_OUT
Digital Interface
Registers 64x16 bits
DACs 48Kss ADCs 48Kss
MIXER
Analog mixing Gain Control
LINE_OUT MONO_OUT
Multi-Codec
Boost 0/20
MIC1 MIC2
SPECIFICATIONS Analog LINE_OUT SNR: Digital SNR: Digital SNR: Total Harmonic Distortion: 0.02 Crosstalk between Input Channels: Spurious Tone Rejection: RELATED MATERIALS Product Overview Data Sheet STAC9708 2-Channel 4-Speaker Playback Mode STAC9708/11 Questions Answers Surround Control Software Surround Secondary Line Control Software Reference Design Schematics CNR, ACR, Intel AC'97 Home Page ADDITIONAL SUPPORT
Additional product company information obtained going SigmaTel website
www.sigmatel.com
Copyright 2000 SigmaTel, Inc. rights reserved. contents this document protected copyright reproduced without express written consent SigmaTel, Inc. SigmaTel, SigmaTel logo, combinations thereof trademarks SigmaTel, Inc. Other product names used this publication identification purposes only trademarks registered trademarks their respective companies. contents this document provided connection with SigmaTel, Inc. products. SigmaTel, Inc. made best efforts ensure that information contained herein accurate reliable. However, SigmaTel, Inc. makes warranties, express implied, accuracy completeness contents this publication providing this publication IS". SigmaTel, Inc. reserves right make changes specifications product descriptions time without notice, discontinue make changes products time without notice. SigmaTel, Inc. does assume liability arising application product circuit, specifically disclaims liability, including without limitation special, consequential, incidential damages.
2-9708-P1-2.0-1100

Integrating Mixed-Signal Solutions 4-Channel AC'97 Codec with Mul

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