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CS4294-JQ Datasheet(PDF) 1 Page - Cirrus Logic

No. de pieza CS4294-JQ
Descripción Electrónicos  SoundFusion Audio/Docking Codec 97 (AMC 97)
Download  42 Pages
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Fabricante Electrónico  CIRRUS [Cirrus Logic]
Página de inicio  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS4294-JQ Datasheet(HTML) 1 Page - Cirrus Logic

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Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
 Cirrus Logic, Inc. 2000
(All Rights Reserved)
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
FEATURES
n AC ‘97 2.0 compatible
n 20-bit quad output and 18-bit dual stereo input
codec with fixed 48 kHz sampling rate
n Dedicated ADC for enhanced digital docking
n Three analog line-level stereo inputs for connec-
tion from LINE IN, CD, and AUX
n High quality pseudo-differential CD input
n Dual stereo line level output with independent 6-
bit volume control
n 6 General Purpose I/O pins
n Meets or exceeds Microsoft's ® PC 98 and PC 99
audio performance requirements
n CrystalClear™ Stereo Enhancement
DESCRIPTION
The CS4294 is an AC ‘97 compatible Audio Codec
designed for PC multimedia systems. Using the in-
dustry leading CrystalClear™ delta-sigma and
mixed signal technology, the CS4294 is ideal for
PC 98-compliant desktop, notebook, and enter-
tainment PCs, where high-quality audio features
are required. The CS4294 offers four channels of
D/A and A/D conversion along with analog mixing
and stereo enhancement processing. For multi-
channel audio systems, the CS4294 can provide
four audio channels. The CS4294 provides an en-
hanced
digital
docking
mode
for
portable
applications by providing a dedicated ADC capture
path from the analog input mixer.
ORDERING INFORMATION
CS4294-KQ
48-pin TQFP
9x9x1.4mm
CS4294-JQ
48-pin TQFP
9x9x1.4mm
VOL
MUTE
MUTE
MUTE
MUTE
VOL
VOL
VOL
+20dB
DAC
3D
STEREO TO
MONO MIXER
VOL
VOL
OUTPUT
BUFFER
OUTPUT
BUFFER
MASTER VOLUME
ALTERNATE VOLUME
MAIN D/A
CONVERTERS
PCM_OUT
PCM OUT
PATH
STEREO
INPUT
MIXER
STEREO
OUTPUT
MIXER
Σ
Σ
Σ
MIC1
AUX
CD
LINE
Mode Control
SYNC
SDATA_OUT
MUTE
VOL
ADC
INPUT
MUX
VOL
MUTE
ADC
MAIN ADC GAIN
ADC
DAC
RESET#
ALT_LINE_OUT
LINE_OUT
GPIO
BIT_CLK
SDATA_IN
AC-Link Interface
2
/
2
/
2
/
2
/
2
/
2
/
2
/
6
/
3
/
2
/
SoundFusion® Audio/Docking Codec ’97 (AMC’97)
CS4294
FEB ‘00
DS326PP4


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