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AD1819A PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 AD1819A
部品説明 AC97 SoundPort Codec
メーカ Analog Devices
ロゴ Analog Devices ロゴ 



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AD1819A Datasheet, AD1819A PDF,ピン配置, 機能
a
AC ’97 SoundPort® Codec
AD1819A
AC '97 FEATURES
ENHANCED FEATURES
Fully Compliant AC ’97 Analog I/O Component
Support for Multiple Codec Communications
48-Terminal TQFP Package
DSP 16-Bit Serial Port Format
Multibit ⌺⌬ Converter Architecture for Improved
Variable 7 kHz to 48 kHz Sampling Rate with 1 Hz
S/N Ratio >90 dB
Resolution
16-Bit Stereo Full-Duplex Codec
Supports Modem Sample Rates and Filtering
Four Analog Line-Level Stereo Inputs for Connection
Phat™ Stereo 3D Stereo Enhancement
from LINE, CD, VIDEO and AUX
Two Analog Line-Level Mono Inputs for Speakerphone
and PC BEEP
Mono MIC Input Switchable from Two External
Sources
High Quality CD Input with Ground Sense
OStereo Line Level Output
Mono Output for Speakerphone
BPower Management Support
VHDL and Verilog Models of Serial Port Available
FUNCTIONAL BLOCK DIAGRAM
S CS0 CS1 CHAIN_IN CHAIN_CLK
OLEMIC1
MIC2
TELINE_IN
AD1819A
0dB/
20dB
MASTER/SLAVE
SYNCHRONIZER
AUX
PGA
16-BIT
⌺⌬ A/D
CONVERTER
CD
VIDEO
PHONE_IN
PGA
16-BIT
⌺⌬ A/D
CONVERTER
RESET
SYNC
LINE_OUT_L
MONO_OUT
LINE_OUT_R
MV
MV
MV
PC_BEEP
G
A
M
G GG G G
A AA A A
M MM M M
PHAT
STEREO
⌺⌺⌺⌺
PHAT
STEREO
⌺ ⌺⌺ ⌺ ⌺
A G = GAIN
M A = ATTENUATE
M = MUTE
MV = MASTER VOLUME
SAMPLE
RATE
GENERATORS
G 16-BIT
A ⌺⌬ D/A
M CONVERTER
G 16-BIT
A ⌺⌬ D/A
M CONVERTER
OSCILLATORS
XTALO XTALI
BIT_CLK
SDATA_OUT
SDATA_IN
SoundPort is a registered trademark of Analog Devices, Inc.
Phat is a trademark of Analog Devices, Inc.
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1998

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