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TDA7449 PDF预览

TDA7449

更新时间: 2024-09-28 22:53:11
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 音频控制集成电路消费电路商用集成电路光电二极管信息通信管理
页数 文件大小 规格书
17页 130K
描述
TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7449 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP-20
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:12 weeks风险等级:5.71
Is Samacsys:N信道分离:100 dB
商用集成电路类型:TONE CONTROL CIRCUIT谐波失真:0.01%
JESD-30 代码:R-PDIP-T20JESD-609代码:e3
长度:25.15 mm频带数量:2
信道数量:2功能数量:1
端子数量:20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封装等效代码:DIP20,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:9 V
认证状态:Not Qualified座面最大高度:3.93 mm
子类别:Audio Control ICs最大供电电压 (Vsup):10.2 V
最小供电电压 (Vsup):6 V表面贴装:NO
技术:BICMOS温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

TDA7449 数据手册

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TDA7449  
TONE CONTROL  
DIGITALLY CONTROLLED AUDIO PROCESSOR  
INPUT MULTIPLEXER  
- 2 STEREO INPUTS  
- SELECTABLEINPUT GAIN FOR OPTIMAL  
ADAPTATIONTO DIFFERENT SOURCES  
ONE STEREO OUTPUT  
TREBLE, AND BASS CONTROL IN 2.0dB  
STEPS  
VOLUMECONTROL IN 1.0dB STEPS  
TWO SPEAKER ATTENUATORS:  
- TWO INDEPENDENTSPEAKER CONTROL  
IN 1.0dBSTEPS FOR BALANCE FACILITY  
- INDEPENDENT MUTE FUNCTION  
ALL FUNCTION ARE PROGRAMMABLE VIA  
SERIAL BUS  
DIP20  
ORDERING NUMBER:  
TDA7449  
DESCRIPTION  
The AC signal setting is obtained by resistor net-  
works and switches combined with operational  
amplifiers.  
Thanks to the used BIPOLAR/CMOSTechnology,  
Low Distortion, Low Noise and DC stepping are  
obtained.  
The TDA7449 is a volume tone (bass and treble)  
balance (Left/Right) processor for quality audio  
applications in TV systems.  
Selectable input gain is provided. Control of all  
the functions is accomplished by serial bus.  
BLOCK DIAGRAM  
MUXOUTL  
10  
TREBLE(L) BIN(L) BOUT(L)  
16  
15  
14  
8
RB  
L-IN1  
100K  
9
L-IN2  
5
SPKR ATT  
LEFT  
G
VOLUME  
TREBLE  
BASS  
LOUT  
100K  
19  
20  
18  
0/30dB  
2dB STEP  
SCL  
7
6
I2CBUS DECODER + LATCHES  
R-IN1  
R-IN2  
SDA  
100K  
100K  
DIG_GND  
4
SPKR ATT  
RIGHT  
G
VOLUME  
TREBLE  
BASS  
ROUT  
VREF  
2
3
VS  
SUPPLY  
INPUT MULTIPLEXER  
+ GAIN  
AGND  
RB  
12  
11  
MUXOUTR  
17  
13  
1
D98AU847A  
TREBLE(R) BIN(R) BOUT(R)  
CREF  
1/17  
April 1999  

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