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AD1981BLJSTZ-REEL2 Datasheet(Fiches technique) 1 Page - Analog Devices

Numéro de pièce AD1981BLJSTZ-REEL2
Description  AC ’97 SoundMAX® Codec
Télécharger  28 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1981BLJSTZ-REEL2 Datasheet(HTML) 1 Page - Analog Devices

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AD1981BL
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 owners.
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
© 2004 Analog Devices, Inc. All rights reserved.
AC ’97 SoundMAX
® Codec
FUNCTIONAL BLOCK DIAGRAM
A
M
MIC1
MIC2
PHONE_IN
CD_L
CD_GND
CD_R
AUX_L
AUX_R
LINE_IN_L
MIC PREAMP
CD
DIFF AMP
MONO_OUT
HP_OUT_L
HP
MZ
LINE_OUT_L
MZ
LINE_OUT_R
HP_OUT_R
HP
G = GAIN
A = ATTENUATION
M = MUTE
Z = HIGH Z
16-BIT
-
ADC
GA
16-BIT
-
ADC
PCM FRONT
DAC RATE
M
16-BIT
-
ADC
M
16-BIT
-
ADC
PCM L/R
ADC RATE
VREF
G
VREFOUT
LINE_IN_R
CODEC CORE
ADC
AND
DAC
SLOT
LOGIC
AC '97
CONTROL
REGISTERS
EAPD
PLL
XTL_OUT XTL_IN SPDIF
SPDIF
TX
ID0
ID1
RESET
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
JS0
JS1
EAPD
AD1981BL
G
G
A
M
A
A
A
M
M
GA
M
GA
M
GA
M
GA
M
GA
M
GA
M
GA
M
GA
M
M
GA
M
M
EQ
EQ
G
G
VOLTAGE
REFERENCE
ANALOG MIXING
CONTROL LOGIC
20-BIT
-
DAC
20-BIT
-
DAC
M
G
M
G
FEATURES
AC ’97 2.3 COMPATIBLE FEATURES
S/PDIF Output, 20 Bits Data Format, Supporting
48 kHz and 44.1 kHz Sample Rates
Integrated Stereo Headphone Amplifier
Variable Sample Rate Audio
External Audio Power-Down Control
Greater than 90 dB Dynamic Range
Stereo Full-Duplex Codec
20-Bit PCM DAC
3 Analog Line-Level Stereo Inputs for
Line-In, AUX, and CD
Mono Line-Level Phone Input
Dual MIC Input with Built-In Programmable Preamp
High Quality CD Input with Ground Sense
Mono Output for Speakerphone or Internal Speaker
Power Management Support
48-Lead LQFP Package, Lead-Free Package Available
ENHANCED FEATURES
Stereo MIC Preamps Support
Built-In Digital Equalizer Function for Optimized
Speaker Sound
Full-Duplex Variable Sample Rates from 7040 Hz to
48 kHz with 1 Hz Resolution
Jack Sense Pins Provide Automatic Output Switching
Software Programmed VREFOUT Output for Biasing
Microphone and External Power Amp
Low Power 3.3 V Operation for Analog and
Digital Supplies
Multiple Codec Configuration Options


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