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AD1886 Datasheet(Fiches technique) 1 Page - Analog Devices

Numéro de pièce AD1886
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

AD1886 Datasheet(HTML) 1 Page - Analog Devices

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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.
a
AD1886A
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
© Analog Devices, Inc., 2001
AC’97 SoundMAX® Codec
FUNCTIONAL BLOCK DIAGRAM
G
A
M
G
A
M
G
A
M
SYNC
BIT_CLK
G
A
M
A
M
AD1886A
MIC1
MIC2
AUX
CD
VIDEO
LINE_OUT_L
MONO_OUT
LINE
PHONE_IN
LINE_OUT_R
G
A
M
OSCILLATOR
XTAL_OUT
XTAL_IN
RESET
SDATA_IN
JS
SDATA_OUT
G
A
M
G
A
M
16-BIT
-
D/A
CONVERTER
16-BIT
-
D/A
CONVERTER
SPDIF
MV
HP_OUT_R
HP_OUT_L
0dB/
20dB
PGA
PGA
16-BIT
-
A/D
CONVERTER
16-BIT
-
A/D
CONVERTER
SAMPLE
RATE
GENERATORS
PHAT
STEREO
G = GAIN
A = ATTENUATE
M = MUTE
PHAT
STEREO
MV
MV
MV
MV
CHIP SELECT
VREF
ID1
ID0
SPDIF
OUT
VREFOUT
G
A
M
PC_BEEP
JACK SENSE
AC’97 2.1 FEATURES
Variable Sample Rate Audio
Multiple Codec Configuration Options
External Audio Power-Down Control
AC’97 FEATURES
AC’97 2.2 Compliant
Greater than 90 dB Dynamic Range
Stereo Headphone Amplifier
Multibit
-
Converter Architecture for Improved S/N
Ratio Greater than 90 dB
16-Bit Stereo Full-Duplex Codec
Four Analog Line-Level Stereo Inputs for:
LINE-IN, CD, VIDEO, and AUX
Two Analog Line-Level Mono Inputs for Speakerphone
and PC BEEP
Mono MIC Input w/Built-In 20 dB Preamp, Switchable
from Two External Sources
High-Quality CD Input with Ground Sense
Stereo Line Level Outputs
Mono Output for Speakerphone or Internal Speaker
Power Management Support
48-Terminal LQFP Package
ENHANCED FEATURES
20-Bit SPDIF Output w/32 kHz, 44.1 kHz, and 48 kHz
Symbol Rates
Full Duplex Variable Sample Rates from 7040 Hz to
48 kHz with 1 Hz Resolution
Jack Sense Pins Provide Automatic Output Switching
Software-Enabled VREFOUT Output for Microphones and
External Power Amp
Split Power Supplies (3.3 V Digital/5 V Analog)
Mobile Low-Power Mixer Mode
Extended 6-Bit Master Volume Control
Extended 6-Bit Headphone Volume Control
Digital Audio Mixer Mode
Phat™ Stereo 3D Stereo Enhancement
SoundMAX is a registered trademark and Phat is a trademark of Analog Devices, Inc.


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