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CS4299-BQ Datasheet, PDF (1/52 Pages) Cirrus Logic – CrystalClear SoundFusion Audio Codec 97
CS4299-BQ
CrystalClear® SoundFusion™ Audio Codec ’97
Features
l AC ’97 2.1 Compatible
l Industry Leading Mixed Signal Technology
l 20-bit Stereo Digital-to-Analog Converters
l 18-bit Stereo Analog-to-Digital Converters
l Sample Rate Converters
l Four Analog Line-level Stereo Inputs for
LINE_IN, CD, VIDEO, and AUX
l Two Analog Line-level Mono Inputs for
Modem and Internal PC Beep
l Dual Stereo Line-level Outputs for
LINE_OUT and ALT_LINE_OUT
l Dual Microphone Inputs
l High Quality Pseudo-Differential CD Input
l Extensive Power Management Support
l Meets or Exceeds the Microsoft® PC 99
Audio Performance Requirements
l S/PDIF Digital Audio Output
l CrystalClear® 3D Stereo Enhancement
l Industrial Temperature Range
Description
The CS4299-BQ is an AC ’97 2.1 compatible stereo au-
dio codec designed for PC multimedia systems. Using
the industry leading CrystalClear® delta-sigma and
mixed signal technology, the CS4299-BQ enables the
design of PC 99-compliant desktop, portable, and enter-
tainment PCs.
Coupling the CS4299-BQ with a PCI audio accelerator
or core logic supporting the AC ’97 interface, implements
a cost effective, superior quality, audio solution. The
CS4299-BQ surpasses PC 99 and AC ’97 2.1 audio
quality standards.
ORDERING INFO
CS4299-BQ 48-pin TQFP 9x9x1.4 mm
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
RESET#
ID0#
ID1#
AC-LINK AND AC '97
REGISTERS
TEST
PWR
MGT
AC-
LINK
AC '97
REGISTERS
EAPD
SPDIF_OUT
EAPD, S/PDIF
ANALOG INPUT MUX
AND OUTPUT MIXER
SRC
PCM_DATA
GAIN / MUTE CONTROLS
MIXER / MUX SELECTS
SRC
PCM_DATA
18 bit
ADC
INPUT
MUX
INPUT
MIXER
Σ
3D Stereo
Enhancement
OUTPUT
MIXER
20 bit
DAC
Σ
LINE
CD
AUX
VIDEO
MIC1
MIC2
PHONE
PC_BEEP
LINE_OUT
ALT_LINE_OUT
MONO_OUT
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2002
(All Rights Reserved)
JAN ‘02
DS319-BQPP1
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