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KA9270 PDF预览

KA9270

更新时间: 2024-11-06 22:25:23
品牌 Logo 应用领域
三星 - SAMSUNG 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 277K
描述
AUDIO FILTER INTRODUCTION

KA9270 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:20
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.82Is Samacsys:N
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PDIP-T20
功能数量:1端子数量:20
最高工作温度:75 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified最大供电电压 (Vsup):12 V
最小供电电压 (Vsup):5 V表面贴装:NO
温度等级:COMMERCIAL EXTENDED端子形式:THROUGH-HOLE
端子位置:DUALBase Number Matches:1

KA9270 数据手册

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KA9270  
AUDIO FILTER  
INTRODUCTION  
20-DIP-300A  
The KA9270 is a monolithic integrated circuit designed for audio  
filter. It is used in compact disc player, digital audio tape recorder,  
etc.  
20-SOP-375  
FEATURES  
· Functions:  
* Buffer for impedence matching  
* Low pass filter  
* De - emphasis control  
* Mute control  
* Reference voltage circuit ( 1/2 VCC AMP )  
· Gain adjustable of audio output  
· Minimum number of external parts required  
· Recommand operation supply voltage range : 5.0 ~ 12.0V  
Device  
KA9270  
KA9270D  
Package  
Operating Temperature  
20-DlP-300A  
20-SOP- 375  
20°C ~ +75°C  
BLOCK DIAGRAM  
LPF  
DE-EMPHA DE-EMPHA DE-EMPHA  
BUFFER  
OUTPUT2  
LPF2B  
18  
VREF  
17  
RIPPLE  
16  
CTL  
OUT2  
IN3  
OUT2  
INPUT2  
11  
20  
19  
15  
14  
13  
12  
Vcc  
LPF2  
DE-AMP2  
-
-
-
+
+
-
+
+
1/2Vcc-AMP  
BUFFER2  
BUFFER1  
MUTE  
SW  
DE-EM  
SW  
+
-
+
-
+
-
DE-AMP1  
LPF1  
1
2
3
4
5
6
7
8
9
10  
GND  
LPF  
OUTPUT1  
LPF1B  
MUTE  
CONTROL  
INPUT  
DE-EMPHA DE-EMPHA DE-EMPHA DE-EMPHA BUFFER  
INPUT1  
CONTROL CTL  
INPUT  
OUT1  
IN1  
OUT1  
Fig. 1  

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