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BU9253S PDF预览

BU9253S

更新时间: 2024-11-23 13:05:59
品牌 Logo 应用领域
罗姆 - ROHM 卡拉OK
页数 文件大小 规格书
6页 75K
描述
Consumer Circuit, PDIP18, SDIP-18

BU9253S 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:SDIP,针数:18
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.59商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDIP-T18长度:19.4 mm
端子数量:18封装主体材料:PLASTIC/EPOXY
封装代码:SDIP封装形状:RECTANGULAR
封装形式:IN-LINE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:4.25 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4 V表面贴装:NO
端子形式:THROUGH-HOLE端子节距:1.778 mm
端子位置:DUAL宽度:7.62 mm
Base Number Matches:1

BU9253S 数据手册

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Multimedia ICs  
KARAOKE echo IC  
BU9253AS / BU9253FS / BU9255FS  
The BU9253AS, BU9253FS and BU9255FS are single-chip ICs that contain all the components needed to configure  
a KARAOKE echo system: an A / D and D / A converter, SRAM, LPF, and mixer for mixing source signals. With  
these ICs, an echo function can be configured easily and with minimum external components.  
Applications  
KARAOKE functions for portable stereo sets, mini com-  
ponent stereo sets, video CDs and DVDs, etc.  
Features  
1) Echo mixing ratio is adjustable with a DC voltage.  
2) A second order LPF can be configured with the  
internal amplifier and an attached capacitor and  
resistor.  
3) Delay time of 131ms. (when fCLK = 357kHz)  
4) Internal mute function.  
5) Single power supply (5V).  
Block diagram  
BU9253FS / BU9255FS  
16  
15  
14  
13  
12  
11  
10  
9
VCC  
A / D  
OSC  
COUNTER  
SRAM  
D / A  
MIX  
1
2
3
4
5
6
7
8
BU9253AS  
18  
16  
15  
14  
13  
12  
11  
10  
17  
VCC  
A / D  
OSC  
COUNTER  
SRAM  
D / A  
MIX  
1
2
3
4
5
6
7
8
9
1

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