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AD1980 Datasheet(Fiches technique) 1 Page - Analog Devices

Numéro de pièce AD1980
Description  AC 97 SoundMAX Codec
Télécharger  32 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1980 Datasheet(HTML) 1 Page - Analog Devices

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AD1980
AC ’97 SoundMAX®Codec
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© 2002 Analog Devices, Inc. All rights reserved.
FEATURES
AC ’97 2.3 COMPATIBLE FEATURES
6 DAC Channels for 5.1 Surround
S/PDIF Output
Integrated Stereo Headphone Amplifier
Variable Rate Audio
Double Rate Audio (fS = 96 kHz)
Greater than 90 dB Dynamic Range
20-Bit PCM DACs
Line-Level Mono ”Phone” Input
High Quality CD Input
Selectable MIC Input with Preamp
AUX and Line_In Stereo Inputs
External Amplifier Power-Down Control
Power Management Modes
48-Lead LQFP Package
FUNCTIONAL BLOCK DIAGRAM
MC1
MC2
PHONE_IN
CD_L
CD_GND
CD_R
AUX_L
AUX_R
LINE_IN_L
G
G
MIC PREAMP
CD
DIFF AMP
M
GA
M
GA
M
GA
M
M
M
GA
M
GA
M
GA
M
GA
M
GA
M
M
M
M
G = GAIN
A = ATTENUATION
M = MUTE
Z = HIGH Z
M
G
16-BIT
-
ADC
M
G
16-BIT
-
ADC
PCM L/R
ADC RATE
VREF
G
VREFOUT
LINE_IN_R
CODEC CORE
VOLTAGE
REFERENCE
DAC
SLOT
LOGIC
AC '97
CONTROL
REGISTERS
EAPD
ANALOG MIXING
CONTROL LOGIC
PLL
XTL_OUT XTL_IN SPDIF
SPDIF
TX
ID0
ID1
RESET
SYNC
BITCLK
SDATA_OUT
SDATA_IN
JS0
JS1
EAPD
AD1980
20-BIT
-
DAC
PCM LFE
DAC RATE
M
G
MZ
A
LFE_OUT
MZ
A
CENTER_OUT
20-BIT
-
DAC
PCM FRONT
DAC RATE
M
G
M
G
M
G
20-BIT
-
DAC
M
G
20-BIT
-
DAC
M
G
PCM SURR
DAC RATE
EQ
20-BIT
-
DAC
EQ
20-BIT
-
DAC
MZ
A
LINE_OUT_L
MZ
A
MONO_OUT
MZ
A
LINE_OUT_R
M
A
SURR_OUT_L/
HP_OUT_L
M
A
SURR_OUT_R/
HP_OUT_R
HP
HP
ENHANCED FEATURES
Integrated Parametric Equalizer
Stereo MIC Preamp Support
Integrated PLL for System Clocking
Variable Sample Rate 7 kHz to 96 kHz
Jack Sense (Auto Topology Switching)
Software Controlled VREF_OUT for MIC Bias
Software Enabled Outputs for Jack Sharing
Auto Down-Mix and Channel Spreading Modes


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