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TDA7345 PDF预览

TDA7345

更新时间: 2024-02-26 11:25:39
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
18页 124K
描述
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX

TDA7345 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP28,.4针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.74
Is Samacsys:N信道分离:70 dB
商用集成电路类型:TONE CONTROL CIRCUIT谐波失真:0.02%
JESD-30 代码:R-PDSO-G28JESD-609代码:e4
长度:17.9 mm频带数量:2
信道数量:2功能数量:1
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
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:2.65 mm
子类别:Audio Control ICs最大压摆率:35 mA
最大供电电压 (Vsup):10.5 V最小供电电压 (Vsup):7 V
表面贴装:YES技术:BICMOS
温度等级:OTHER端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

TDA7345 数据手册

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TDA7345  
DIGITALLY CONTROLLED AUDIO PROCESSOR  
WITH SURROUND SOUND MATRIX  
1 STEREO INPUT  
VOLUMECONTROL IN 1.25dB STEP  
TREBLE AND BASS CONTROL  
THREE SURROUND MODES ARE AVAIL-  
ABLE:  
– MOVIE, MUSIC AND SIMULATED  
FOUR SPEAKER ATTENUATORS:  
– 4 INDEPENDENT SPEAKERSCONTROL  
IN 1.25dBSTEPS FOR BALANCE FACILITY  
– INDEPENDENTMUTE FUNCTION  
SO28  
ALL FUNCTIONS PROGRAMMABLE VIA SE-  
RIAL BUS  
ORDERING NUMBER:  
TDA7345D  
DESCRIPTION  
The TDA7345 is a volume tone (bass and treble)  
balance (Left/Right) processor for quality audio  
applications in car radio and Hi-Fi systems.  
works and switches combined with operational  
amplifiers.  
Thanks to the used BIPOLAR/CMOSTechnology,  
Low Distortion, Low Noise and DC stepping are  
obtained.  
It reproduces surround sound by using phase  
shifters and a signal matrix. Control of all the  
functionsis accomplished by serial bus.  
The AC signal setting is obtained by resistor net-  
PIN CONNECTION  
CREF  
PS2  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
Vs  
2
PS3  
PS1  
3
PS4  
LP1  
4
LP  
HP1  
5
REAR IN  
REAR OUT  
R-in  
HP2  
6
L-in  
7
BASS-LA  
BASS-LB  
TREBLE-L  
REC_OUT_L  
REC_OUT_R  
Lout  
8
BASS-RA  
BASS-RB  
TREBLE-R  
DIG GND  
SDA  
9
10  
11  
12  
13  
14  
SCL  
Rout  
AGND  
D94AU191A  
1/18  
November 1999  

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