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U4275B PDF预览

U4275B

更新时间: 2024-02-16 18:01:31
品牌 Logo 应用领域
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页数 文件大小 规格书
12页 126K
描述
FM-Receiving Condition Analyser and Multipath Noise Cancellation

U4275B 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,
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.84
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PDSO-G20
长度:12.825 mm湿度敏感等级:1
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-30 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:2.6 mm
最大压摆率:10 mA最大供电电压 (Vsup):10 V
最小供电电压 (Vsup):8 V表面贴装:YES
技术:BIPOLAR温度等级:OTHER
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:7.4 mm

U4275B 数据手册

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U4275B  
TELEFUNKEN Semiconductors  
FM-Receiving Condition Analyser and Multipath Noise  
Cancellation  
Description  
The U4275B is a bipolar integrated receiving conditions It is designed for high performance car radio applications.  
analyser as well as multipath noise cancellation circuit.  
Features  
Preparation of the fieldstrength signal  
Interrupt output for abruptly occuring interferences  
Suitable for analogue as well as digital processing  
Mute function controllable by microcomputer  
Multipath noise cancellation  
Detection of multipath and common channel  
interferences  
Evaluation of the receiving conditions by  
microcomputer  
Only a few external components necessary  
Block diagram  
FIL19 FIL26  
CCHFIL  
17  
20  
19  
14  
CRIN  
Oscillator  
Filter  
9
Interference  
interrupt  
INT  
Common  
channel  
detector  
12  
13  
ADDR0  
ADDR1  
OE  
Reset  
Address  
logic  
15  
1
3
Analogue  
multiplex  
Multipath  
detector  
FSIN  
11  
7
AVFS  
ANAOUT  
VS  
2
Multipath  
Noise  
Cancellation  
(Gain 1.5)  
MNC  
control  
Bandgap  
Buffer  
BFSOUT  
5
4
8
16  
6
10  
18  
94 8644  
MUTE  
MPFIL  
GND2  
VREF GND1  
MPXOUT  
MPXIN  
Rev. A1: 14.03.1995  
1
Preliminary Information  

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