AD1881JST Datasheet, PDF (1/22 Pages) Analog Devices – AC 97 SoundMAX Codec

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,. ANALOG
DEVICES
AC'97 SoundM~ Codec
AD1881
AC '97 2.1 FEATURES
ENHANCED FEATURES
Variable Sample Rate
Mobile low Power Mixer Mode
True Line-level Output
Digital Audio Mixer Mode
AC '97 FEATURES
DSP 16-Bit Serial Port Format, Slot 16 Mode
Fully Compliant AC '97 Analog 1/0 Component
Supports All Required WHQl Sample Rates
48-lead lQFP Pacl(age
Full Duplex Variable 7 kHz to 48 I<Hz Sampling Rate
Multibit !,d Converter Architecture for Improved
with 1 Hz Resolution
SIN Ratio greater than 90 dB
PhatTM Stereo 3D Stereo Enhancement
OBSOLETE 16-Bit Stereo Full-Duplex Codec
Four Analog Line-level Stereo Inputs for Connection
from LINE, CD, VIDEO and AUX
Two Analog Line-level Mono Inputs for Speal(erphone
and PC BEEP
Mono MIC Input Switchable from Two External
Sources
High Quality CD Input with Ground Sense
Stereo Line-level Output
Mono Output for Speal<erphone or Internal Speal<er
Power Management Support
FUNCTIONAL
Split Power Supplies (3.3 V Digital/5 V AnalogI
Extended 6-Bit Master Volume Control
Audio Amp Power-Down Signal
BLOCK DIAGRAM
CSO CS1 CHAIN_IN CHAIN_CLK
EAPD
AD1881
MIC1
MIC2
LlNEJN
AUX
CD
VIDEO
PHONE_IN
MONO_OIlT
RESET
SYNC
BIT_CLK
LNLVL_OIlT _L
SDATA_OUT
LlNE.-OIlT_L
SDATA.JN
LINE_OIlT_R
LNLVL_OIlT _R
PC_BEEP
= G GAIN
= A ATTENUATE
= M MIlTE
= MV MASTER VOWME
Sound.1\1AX is a registered tradenmrk and PHAT is a trademark of An.~log De\iec, Inc.
REV. 0
XTALO XTALI
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reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
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Tel: [phone]
World Wide Web Site: http://www.analog.com
Fax: [phone]
!1:A! nalog Devices, Inc., 1999