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TDA7437 PDF预览

TDA7437

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信息通信管理
页数 文件大小 规格书
23页 183K
描述
DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7437 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QFP
包装说明:10 X 10 MM, PLASTIC, QFP-44针数:44
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.8
Is Samacsys:N信道分离:95 dB
商用集成电路类型:TONE CONTROL CIRCUIT谐波失真:0.01%
JESD-30 代码:S-PQFP-G44JESD-609代码:e4
长度:10 mm频带数量:3
信道数量:2功能数量:1
端子数量:44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:QFP封装等效代码:QFP44,.5SQ,32
封装形状:SQUARE封装形式:FLATPACK
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:2.45 mm
子类别:Audio Control ICs最大压摆率:13 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:0.8 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:10 mmBase Number Matches:1

TDA7437 数据手册

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TDA7437  
DIGITALLY CONTROLLED AUDIO PROCESSOR  
INPUT MULTIPLEXER  
- FOUR STEREO, ONE MONO INPUT, AND  
ONE DIFFERENTIAL INPUT  
- SELECTABLEINPUT GAIN FOR OPTIMAL  
ADAPTATIONTO DIFFERENT SOURCES  
FULLY  
PROGRAMMABLE  
LOUDNESS  
FUNCTION  
PQFP44 and TQFP44  
VOLUME CONTROL IN 1dB STEPS INCLUD-  
ING GAIN UP TO 16dB  
ZERO CROSSING MUTE, SOFT MUTE AND  
DIRECT MUTE  
ORDERING NUMBERS: TDA7437 (PQFP44)  
TDA7437T (TQFP44)  
BASS AND TREBLE CONTROL  
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, and zero-crossing mute are imple-  
mented.  
The soft Mute function can be activated in two  
ways:  
1 Via serial bus (Mute byte, bit D0)  
FOUR SPEAKER ATTENUATORS  
- FOUR INDEPENDENT SPEAKERS  
CONTROL IN 1dB STEPS FOR  
BALANCEAND FADER FACILITIES  
PAUSE  
DETECTOR  
PROGRAMMABLE  
THRESHOLD  
ALL FUNCTIONS PROGRAMMABLE VIA SE-  
RIAL I2 CBUS  
2 Directly on pin 28 through an I/O line of the  
microcontroller  
DESCRIPTION  
The audioprocessor TDA7437 is an upgrade of  
the TDA731X audioprocessorfamily.  
Very low DC stepping is obtained by use of a  
BICMOS technology.  
PIN CONNECTION  
44 43 42 41 40 39 38 37 36 35 34  
1
2
3
4
5
6
7
8
9
TREB_R  
IN_R  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
OUT_RF  
OUT_LR  
MID_RI  
MUXOUT_R  
LOUD_R  
MID_RO  
OUT_RR  
SMEXT  
DIFFGND_R  
DIFF_R  
STEREO4_R  
STEREO1_R  
STEREO2_R  
STEREO3_R  
MONO  
BASS_RO  
BASS_RI  
BASS_LO  
BASS_LI  
MID_LO  
10  
11  
12 13 14 15 16 17 18 19 20 21 22  
D96AU435A  
1/23  
December 1999  

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