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TDA7348 PDF预览

TDA7348

更新时间: 2024-02-09 04:54:15
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
14页 194K
描述
DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7348 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP-28
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.58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-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:-40 °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:15 mA
最大供电电压 (Vsup):10.2 V最小供电电压 (Vsup):6 V
表面贴装:YES技术:BICMOS
温度等级:INDUSTRIAL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

TDA7348 数据手册

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TDA7348  
DIGITALLY CONTROLLED AUDIO PROCESSOR  
PRODUCT PREVIEW  
INPUT MULTIPLEXER  
- THREE STEREO AND ONE MONO INPUTS  
- SELECTABLE INPUT GAIN FOR OPTIMAL  
ADAPTATION TO DIFFERENT SOURCES  
VOLUME CONTROL IN 0.3dB STEPS IN-  
CLUDING GAIN UP TO 20dB  
ZERO CROSSING MUTE AND DIRECT  
MUTE  
PAUSE DETECTOR WITH PROGRAMMABLE  
THRESHOLD  
DIP28  
SO28  
SOFT MUTE CONTROLLED BY SOFTWARE  
OR HARDWARE PIN  
ORDERING NUMBER: TDA7348 (DIP28)  
TDA7348D (SO28)  
BASS AND TREBLE CONTROL  
FOUR SPEAKER ATTENUATORS  
- FOUR INDEPENDENT SPEAKERS  
CONTROL IN 1.25dBSTEPS FOR  
BALANCE AND FADER FACILITIES  
- INDEPENDENT MUTE FUNCTION  
ALL FUNCTIONS PROGRAMMABLE VIA SE-  
RIAL I2 CBUS  
Due to a highly linear signal processing, using  
CMOS-switching techniques instead of standard  
bipolar multipliers, very low distortion and very  
low noise are obtained Several new features like  
softmute, zero-crossing mute and pause detector  
are implemented.  
The Soft Mute function can be activated in two  
ways:  
DESCRIPTION  
The TDA7348 is an upgrade of the TDA7318  
audioprocessor.  
Thanks to the used BIPOLAR/CMOS technology,  
very low distortion, low noise and DC-stepping  
are obtained.  
1 Via serial bus (bit D0, Mute Byte)  
2 Directly on pin 22 through an I/O line of the  
microcontroller  
Very low DC stepping is obtained by use of a  
BICMOS technology.  
1/14  
November 1994  
This is advanced information on a new product now in developmentor undergoing evaluation. Details are subject to change without notice.  

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