Integrating Mixed-Signal Solutions 28-pin AC'97 Codec DESCRI

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Integrating Mixed-Signal Solutions 28-pin AC'97 Codec DESCRI

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STAC9783/84
Integrating Mixed-Signal Solutions
28-pin AC'97 Codec
DESCRIPTION
SigmaTel's STAC9783/84 general-purpose 18-bit stereo, full duplex, audio codecs built around analog component specification AC'97. STAC9783/84 incorporate SigmaTel's proprietary technology achieve excess line through greater than DACs, ADCs, mixer integrated with analog I/Os, which include three analog line-level stereo inputs, analog line-level mono input, stereo output channel. Also included SigmaTel's stereo enhancement (SS3D) increased speaker separation when using typical low-cost speakers. STAC9783/84 communicate five-wire AC-Link interface with AC-Link capable controller advanced core logic chipset. Packaged 28-pin SSOP, STAC9783/ placed motherboards, daughter cards, CNR, ACR, cards, docking stations. Choose between STAC9783 with AVdd supply, STAC9784 AVdd supply depending application.
OVERVIEW
Smallest AC-Link compliant AC'97 audio codec, 28-pins, most area- cost-sensitive applications.
FEATURES High performance technology Energy saving power down modes 18-bit full duplex stereo ADC, DACs AC-Link protocol compliance Low-noise differential CD-ROM input SigmaTel Surround (SS3D) Stereo
Enhancement
Five analog line-level inputs 28-pin SSOP through Mixer +3.3V (STAC9783) (STAC9784)
ORDERING INFORMATION
Part Number STAC9783S STAC9784S Package 28-pin SSOP 28-pin SSOP Temp Range Supply Range AVdd DVdd 3.3V AVdd DVdd 3.3V
2-9783-P1-3.0-0201
STAC9783/84
28-pin AC'97 Codec
STAC9783/84 BLOCK DIAGRAM
Power Management
stereo sources Stereo Mono
AC-Link
SYNC BIT_CLK SDATA_OUT SDATA_IN RESET#
Digital Interface
Registers 64x16 bits
DACs 48Kss
MIXER
ADCs 48Kss Analog mixing Gain Control
LINE_OUT
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 Data Sheet Reference Design STAC9784 Main Board Reference Design STAC9783 (3.3V) Main Board Reference Design ADDITIONAL SUPPORT
Additional product company information obtained going SigmaTel website
www.sigmatel.com
Copyright 2001 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.
2-9783-P1-3.0-0201

Integrating Mixed-Signal Solutions 28-pin AC'97 Codec DESCRI

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