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U4488B-M PDF预览

U4488B-M

更新时间: 2024-11-11 15:55:47
品牌 Logo 应用领域
爱特美尔 - ATMEL ATM异步传输模式光电二极管商用集成电路
页数 文件大小 规格书
12页 198K
描述
Audio Demodulator, AM, Bipolar, PDIP16, DIP-16

U4488B-M 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP16,.3
针数:16Reach Compliance Code:unknown
风险等级:5.78商用集成电路类型:AUDIO DEMODULATOR
解调类型:AM谐波失真:1%
JESD-30 代码:R-PDIP-T16JESD-609代码:e0
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:
输出电压标称(AM):500 mV封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
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:4.8 mm
子类别:Receiver ICs最大供电电压 (Vsup):9 V
最小供电电压 (Vsup):4.5 V表面贴装:NO
技术:BIPOLAR温度等级:OTHER
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

U4488B-M 数据手册

 浏览型号U4488B-M的Datasheet PDF文件第2页浏览型号U4488B-M的Datasheet PDF文件第3页浏览型号U4488B-M的Datasheet PDF文件第4页浏览型号U4488B-M的Datasheet PDF文件第5页浏览型号U4488B-M的Datasheet PDF文件第6页浏览型号U4488B-M的Datasheet PDF文件第7页 
Features  
5-V Supply Voltage  
Gain-controlled 3-stage Wide-band IF Amplifier  
Active Carrier Generation by FPLL Principle (Frequency-Phase-Locked-Loop) for True  
Quadrature Demodulation  
Complete Alignment-free AM Demodulator  
Switchable Amplitude Detector for Gain Control, Which Operates as a Peak Detector  
for FM Sound and as a Mean Level Detector for AM Sound  
Two Symmetrical IF Inputs  
Quasi-split  
Sound Circuit  
and AM  
Demodulator IC  
Description  
The U4488B is an integrated bipolar circuit for full multistandard sound IF signal pro-  
cessing in TV/VCR and multimedia applications. It supplies AM signals as well as  
FM/NICAM sound IF signals and thus allows the design of a universal sound IF mod-  
ule for various applications. The U4488B has the same performance as the U4468B,  
with the additional feature of a second symmetrical IF input.  
U4488B  
Figure 1. Block Diagram  
IF1/IF2  
S3  
VS  
Loop  
filter  
11  
4
14  
5
VCO  
8
9
0°  
1
2
IFFM  
REF  
FPLL  
VCO  
90°  
IF-Amp  
12  
Intercarrier  
(FM)  
15  
16  
IF-Switch  
IFAM  
Mean  
3
6
AF (AM)  
AGC  
AM-Det  
Peak  
level  
13  
7
10  
IF AGC  
Mean/peak  
S1  
Mute  
S2  
Rev. 4797A–TVVCR–02/04  

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