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U4254BM PDF预览

U4254BM

更新时间: 2024-01-19 01:13:14
品牌 Logo 应用领域
TEMIC /
页数 文件大小 规格书
12页 160K
描述
Low-Noise AM/FM Antenna Impedance Matching IC

U4254BM 技术参数

是否Rohs认证: 不符合生命周期:Active
Reach Compliance Code:unknown风险等级:5.17
解调类型:AM/FMJESD-30 代码:S-PQCC-N16
端子数量:16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:QCCN封装等效代码:LCC16,.16SQ,25
封装形状:SQUARE封装形式:CHIP CARRIER
电源:8 V认证状态:Not Qualified
子类别:Other Consumer ICs最大压摆率:35 mA
表面贴装:YES技术:BICMOS
温度等级:INDUSTRIAL端子形式:NO LEAD
端子节距:0.635 mm端子位置:QUAD
Base Number Matches:1

U4254BM 数据手册

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U4254BM  
Low-Noise AM/FM Antenna Impedance Matching IC  
Description  
The U4254BM is an integrated low-noise AM/FM application and is suitable for windscreen and roof  
antenna impedance matching circuit in BICMOS antennas.  
technology. The device is designed in particular for car  
Features  
High dynamic range for AM and FM  
High intercept point 2nd order for AM  
Low noise output voltage  
Integrated AGC for FM  
High intercept point 3rd order for FM  
FM amplifier adjustable to various cable impedance  
Low power consumption  
Block Diagram  
1
FMIN  
15  
FMOUT  
FM  
2
GND1  
3
FMGAIN  
4
13  
AGC  
AGCADJ  
AGC  
I
AGC  
14  
VS  
5
12  
VREF2  
VREF  
VREF1  
11  
AMOUT1  
8
AMIN  
AM  
10  
AMOUT  
7
13932  
GND2  
Figure 1. Block diagram  
TELEFUNKEN Semiconductors  
1 (12)  
Rev. A1, 08-Jul-97  

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