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TDA7331 PDF预览

TDA7331

更新时间: 2024-01-14 04:26:08
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 过滤器消费电路商用集成电路光电二极管LTE
页数 文件大小 规格书
7页 58K
描述
SINGLE CHIP RDS DEMODULATOR+ FILTER

TDA7331 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-20
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.81
Is Samacsys:N商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
长度:12.8 mm功能数量:1
端子数量:20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:SOP20,.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:5 V
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Other Consumer ICs最大压摆率:9 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
表面贴装:YES技术:CMOS
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

TDA7331 数据手册

 浏览型号TDA7331的Datasheet PDF文件第2页浏览型号TDA7331的Datasheet PDF文件第3页浏览型号TDA7331的Datasheet PDF文件第4页浏览型号TDA7331的Datasheet PDF文件第5页浏览型号TDA7331的Datasheet PDF文件第6页浏览型号TDA7331的Datasheet PDF文件第7页 
TDA7331  
SINGLE CHIP RDS DEMODULATOR + FILTER  
VERY HIGH RDS DEMODULATION QUALITY  
WITH IMPROVED DIGITAL SIGNAL PROC-  
ESSING  
HIGH PERFORMANCE, 57KHz BANDPASS  
FILTER (8th ORDER)  
PURELY DIGITAL RDS DEMODULATION  
WITHOUT EXTERNAL COMPONENTS  
ARI INDICATION AND RDS SIGNAL QUAL-  
ITY OUTPUTS  
4.332MHz CRYSTAL OSCILLATOR  
(8.664 and 17.328MHz SELECTABLE OP-  
TIONS)  
DIP20  
SO20  
ORDERING NUMBERS:  
LOW NOISE CMOS TECHNOLOGY  
LOW RADIATION  
TDA7331  
TDA7331D  
DESCRIPTION  
caded antialiasing + switched capacitors band-  
pass filter for precise RDS band selection and a  
demodulatingsection that performs the extraction  
od RDS data stream (RDDA) and clock (RDCL),  
to be furher processed by a suitable RDS de-  
coder.  
The TDA7331, an improved version of  
TDA7330B, recovers the additional inaudible  
RDS information which is transmittedby FM radio  
broadcasting stations and operates in accord-  
ance with the EBU (European Broadcasting Un-  
ion) specifications.  
Outputs for RDS signal quality and ARI indication  
are also present.  
The device is made up of two sections: a cas-  
BLOCK DIAGRAM and TEST CIRCUIT  
C1 27pF 4.332MHz C2 47pF  
T57  
OSCIN  
OSCOUT  
9
11  
10  
1
MPX  
2nd ORDER  
ANTIALIASING  
FILTER  
270pF  
3
OSEL  
FSEL  
OSCILLATOR  
DIVIDER  
&
18  
12  
RDCL  
1187.5Hz  
PLL  
8th ORDER  
SC-BANDPASS  
FILTER  
4
57KHz PLL  
FILOUT  
15  
14  
ARI  
QUAL  
FAST ARI  
INDICATOR  
16  
2
QUAL DET.  
VS  
100nF  
-
POLARITY  
BIPHASE DEC.  
VREF  
0
13  
19  
+
MUX  
DIFF. DECODER  
RDDA  
TM  
1
10µF  
INTEGRAL  
BIPHASE DEC.  
TEST LOGIC  
6,7,8,17  
N.C.  
5
20  
EXTRES  
D97AU686B  
GND  
February 1998  
1/7  

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