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TDA7444 PDF预览

TDA7444

更新时间: 2024-11-16 20:52:31
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 光电二极管商用集成电路
页数 文件大小 规格书
18页 211K
描述
SPECIALTY CONSUMER CIRCUIT, PDIP28, DIP-28

TDA7444 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.84商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDIP-T28长度:36.83 mm
功能数量:1端子数量:28
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:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V表面贴装:NO
温度等级:COMMERCIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
宽度:15.24 mmBase Number Matches:1

TDA7444 数据手册

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TDA7444  
TDA7444D  
®
MULTIFUNCTION DIGITAL AUDIO PROCESSOR  
WITH DOLBY SURROUND PROLOGIC DECODER  
PRODUCT PREVIEW  
DOLBY PROLOGIC SURROUND  
VMAX  
SRS 3D MATRIX  
SRS SYMULATED MATRIX  
SRS TRUSURROUND MATRIX  
DSP FUNCTION:  
- DELAY  
DIP28  
SO28  
- REVERB  
- CHORUS  
ORDERING NUMBERS:  
FLANGER  
1 STEREO 16 BIT ADC  
TDA7444 (DIP28)  
TDA7444D (SO28)  
2 STEREO 16 BIT DAC  
VOLUME CONTROL  
LOUDNESS  
SRS matrix creates a fully immersive 3D sound  
with a stereo or a mono source from two stereo  
speakers.  
A 3 band stereo graphic equalizer, a loudness  
and a volume control are available to enhance  
the sound effect in quality audio applications as  
TV set and Hi-Fi systems.  
3 BAND STEREO GRAPHIC EQUALIZER  
ALL FUNCTIONS PROGRAMMABLE VIA I2C  
BUS INTERFACE  
DESCRIPTION  
Dolby Surround Prologic is trademarks of  
Dolby Laboratories Licensing Corporation,  
San Francisco, California 94103-4813, USA.  
This device is available only to Licensing  
and application information may be ob-  
tained from Dolby Lab.  
The TDA7444 provides a complete solution for  
Pro Logic decoding with 2 analog inputs and 4  
analog outputs and a Stereo Digital Input/Output.  
The @VMAX and @TruSurround give 3D effects  
on a Prologic Source using only two analog out-  
puts.  
BLOCK DIAGRAM  
1
AOUT1L  
STEREO  
28  
DAC  
AOUT1R  
4
AINR  
26  
25  
STEREO  
ADC  
5
AOUT2L  
AOUT2R  
STEREO  
DAC  
AINL  
REF1  
3
20  
19  
18  
21  
22  
SDIN  
SDOUT  
LR  
REF2  
REF3  
2
27  
IIS  
INTERFACE  
DIGITAL AUDIO  
PROCESSOR  
SCLK  
MCLK  
17  
16  
SDA  
SCL  
IIC  
INTERFACE  
13  
12  
11  
10  
8
VDD2  
VSS2  
VDDA2  
VSSA2  
XTI  
VDD1  
VSS1  
24  
23  
6
VDDA1  
VSSA1  
VDD3  
CLOCK  
7
14  
15  
9
VSS3  
XTO  
D98AU927  
February 1999  
1/18  
This is preliminary information on a new product now in development. Details are subject to change without notice.  

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