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TDA7439C PDF预览

TDA7439C

更新时间: 2024-11-16 13:14:35
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PC
页数 文件大小 规格书
19页 172K
描述
IC,AUDIO PROCESSOR,BICMOS,SOP,28PIN,PLASTIC

TDA7439C 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:not_compliant风险等级:5.92
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PDSO-G28
JESD-609代码:e0端子数量:28
最高工作温度:85 °C最低工作温度:-10 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP28,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:9 V
认证状态:Not Qualified子类别:Other Consumer ICs
表面贴装:YES技术:BICMOS
温度等级:OTHER端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

TDA7439C 数据手册

 浏览型号TDA7439C的Datasheet PDF文件第2页浏览型号TDA7439C的Datasheet PDF文件第3页浏览型号TDA7439C的Datasheet PDF文件第4页浏览型号TDA7439C的Datasheet PDF文件第5页浏览型号TDA7439C的Datasheet PDF文件第6页浏览型号TDA7439C的Datasheet PDF文件第7页 
TDA7439  
THREE BANDS  
DIGITALLY CONTROLLED AUDIO PROCESSOR  
1 FEATURES  
Figure 1. Package  
INPUT MULTIPLEXER  
– 4 STEREO INPUTS  
– SELECTABLE INPUT GAIN FOR OPTIMAL  
ADAPTATION TO DIFFERENT SOURCES  
SDIP30  
ONE STEREO OUTPUT  
Table 1. Order Codes  
TREBLE, MIDDLE AND BASS CONTROL IN  
Part Number  
Package  
2.0dB STEPS  
TDA7439  
SDIP30  
VOLUME CONTROL IN 1.0dB STEPS  
TWO SPEAKER ATTENUATORS:  
audio applications in car-radio and Hi-Fi systems.  
– TWO INDEPENDENT SPEAKER CONTROL  
IN 1.0dB STEPS FOR BALANCE FACILITY  
Selectable input gain is provided. Control of all the  
functions is accomplished by serial bus.  
– INDEPENDENT MUTE FUNCTION  
The AC signal setting is obtained by resistor net-  
works and switches combined with operational  
amplifiers.  
ALL FUNCTION ARE PROGRAMMABLE VIA  
SERIAL BUS  
Thanks to the used BIPOLAR/CMOS Technology,  
Low Distortion, Low Noise and DC stepping are  
obtained  
2 DESCRIPTION  
The TDA7439 is a volume tone (bass, middle and  
treble) balance (Left/Right) processor for quality  
Figure 2. Block Diagram  
MUXOUTL INL  
TREBLE(L) MIN(L) MOUT(L) BIN(L)  
BOUT(L)  
24  
11  
12  
13  
14  
15  
16  
27  
26  
25  
23  
L-IN1  
L-IN2  
L-IN3  
L-IN4  
100K  
100K  
100K  
100K  
RM  
RB  
6
SPKR ATT  
LEFT  
G
VOLUME  
TREBLE  
MIDDLE  
BASS  
LOUT  
30  
1
0/30dB  
2dB STEP  
SCL  
I2CBUS DECODER + LATCHES  
10  
9
SDA  
R-IN1  
R-IN2  
R-IN3  
R-IN4  
29  
DIG_GND  
100K  
100K  
100K  
100K  
5
SPKR ATT  
RIGHT  
G
VOLUME  
TREBLE  
MIDDLE  
BASS  
ROUT  
8
VREF  
3
4
7
VS  
SUPPLY  
2
INPUT MULTIPLEXER  
+ GAIN  
AGND  
RM  
RB  
17  
MUXOUTR INR  
18  
28  
19  
20  
21  
22  
D95AU342B  
TREBLE(R) MIN(R) MOUT(R) BIN(R)  
BOUT(R) CREF  
REV. 10  
1/19  
June 2004  

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