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AD1846JP

更新时间： 2024-02-09 07:52:26
品牌 Logo 应用领域
亚德诺 - ADI 解码器编解码器消费电路商用集成电路
页数 文件大小 规格书
28页 280K
描述
Low Cost Parallel-Port 16-Bit SoundPort Stereo Codec

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AD1846JP 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：LCC包装说明：PLASTIC, LCC-68
针数：68Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.71商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：S-PQCC-J68JESD-609代码：e0
长度：24.18 mm功能数量：1
端子数量：68最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：QCCJ封装形状：SQUARE
封装形式：CHIP CARRIER峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：4.45 mm
最大供电电压 (Vsup)：5.25 V最小供电电压 (Vsup)：4.75 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：TIN LEAD端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：24.18 mm
Base Number Matches：1

AD1846JP 数据手册

 浏览型号AD1846JP的Datasheet PDF文件第2页浏览型号AD1846JP的Datasheet PDF文件第3页浏览型号AD1846JP的Datasheet PDF文件第4页浏览型号AD1846JP的Datasheet PDF文件第5页浏览型号AD1846JP的Datasheet PDF文件第6页浏览型号AD1846JP的Datasheet PDF文件第7页 
Low Cost Parallel-Port 16-Bit  
SoundPort Stereo Codec  
a
AD1846  
It provides a direct, byte-wide interface to both ISA (“AT ”) and  
EISA computer buses for simplified implementation on a com-  
puter motherboard or add-in card. T he AD1846 generates en-  
able and direction controls for IC buffers such as the 74_245.  
FEATURES  
Low Cost, Pin- and Register-Com patible Alternative to  
AD1848  
Single-Chip Integrated ∑∆ Digital Audio Stereo Codec  
Supports the Microsoft Window s Sound System *  
Multiple Channels of Stereo Input and Output  
Analog and Digital Signal Mixing  
Program m able Gain and Attenuation  
On-Chip Signal Filters  
Digital Interpolation and Decim ation  
Analog Output Low -Pass  
Sam ple Rates from 5.5 kHz to 48 kHz  
68-Lead PLCC Package  
T he AD1846 SoundPort Stereo Codec supports a DMA re-  
quest/grant architecture for transferring data with the host com-  
puter bus. One or two DMA channels can be supported.  
Programmed I/O (PIO) mode is also supported for control reg-  
ister accesses and for applications lacking DMA control. T wo  
input control lines support mixed direct and indirect addressing  
of twenty-one internal control registers over this asynchronous  
interface.  
External circuit requirements are limited to a minimal number  
of low cost support components. Anti-imaging DAC output  
filters are incorporated on-chip. DAC dynamic range exceeds  
80 dB over the 20 kHz audio band. Sample rates from 5.5 kHz  
to 48 kHz are supported from external crystals.  
Operation from +5 V Supply  
Byte-Wide Parallel Interface to ISA and EISA Buses  
Supports One or Tw o DMA Channels and  
Program m ed I/ O  
P RO D UCT O VERVIEW  
T he Codec includes a stereo pair of ∑∆ analog-to-digital con-  
verters and a stereo pair of ∑∆ digital-to-analog converters. In-  
puts to the ADC can be selected from four stereo pairs of analog  
signals: line, microphone (“mic”), auxiliary (“aux”) line # 1, and  
post-mixed DAC output. A software-controlled programmable  
gain stage allows independent gain for each channel going into  
the ADC. T he ADCs’ output can be digitally mixed with the  
DACs’ input.  
T he Parallel-Port AD1846 SoundPort® Stereo Codec integrates  
key audio data conversion and control functions into a single in-  
tegrated circuit. T he AD1846 is intended to provide a complete,  
single-chip audio solution for business audio and multimedia  
applications requiring operation from a single +5 V supply.  
*Windows Sound System is a trademark of Microsoft Corp.  
SoundPort is a registered trademark of Analog Devices, Inc.  
(Continued on page 9)  
FUNCTIO NAL BLO CK D IAGRAM  
DIGITAL  
SUPPLY  
ANALOG  
SUPPLY  
CRYSTALS  
POWER DOWN  
ANALOG  
DIGITAL  
L_LINE  
R_LINE  
OSCILLATORS  
PLAYBACK REQ  
L
16  
16  
∑∆ A/D  
CONVERTER  
µ/  
A
L
A
W
L_MIC  
R_MIC  
GAIN  
GAIN  
PLAYBACK ACK  
CAPTURE REQ  
P
A
R
A
L
L
E
L
MUX  
L_AUX1  
R_AUX1  
R
∑∆ A/D  
CONVERTER  
CAPTURE ACK  
ADR1:0  
DATA7:0  
AD1846  
DIGITAL  
MIX  
GAIN/ATTEN/  
MUTE  
CS  
L
WR  
P
O
R
T
∑∆ D/A  
CONVERTER  
ATTEN/  
MUTE  
ANALOG  
FILTER  
L_OUT  
R_OUT  
∑
∑
µ/  
A
L
A
W
INTERPOL  
INTERPOL  
ATTENUATE  
ATTENUATE  
RD  
BUS DRIVER  
CONTROL  
R
∑∆ D/A  
CONVERTER  
ATTEN/  
MUTE  
ANALOG  
FILTER  
∑
∑
HOST DMA  
INTERRUPT  
CONTROL  
REGS  
REFERENCE  
L_AUX2  
R_AUX2  
EXTERNAL  
CONTROL  
GAIN/ATTEN/  
MUTE  
V
REF  
REV. A  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 617/ 329-4700 Fax: 617/ 326-8703  
1234567...28

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AD1847 ADI Serial-Port 16-Bit SoundPort Stereo Codec

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AD1847JP ADI Serial-Port 16-Bit SoundPort Stereo Codec

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AD1847JST ADI Serial-Port 16-Bit SoundPort Stereo Codec

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