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BA7725S PDF预览

BA7725S

更新时间: 2024-11-29 22:39:23
品牌 Logo 应用领域
罗姆 - ROHM 卡拉OK
页数 文件大小 规格书
8页 95K
描述
Analog compander for KARAOKE echo systems

BA7725S 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:DIP
包装说明:SDIP-22针数:22
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
模拟集成电路 - 其他类型:COMPANDER标称带宽:0.0296 MHz
JESD-30 代码:R-PDIP-T22JESD-609代码:e3/e2
长度:19.4 mm功能数量:1
端子数量:22最高工作温度:70 °C
最低工作温度:-10 °C封装主体材料:PLASTIC/EPOXY
封装代码:SDIP封装等效代码:SDIP22,.3
封装形状:RECTANGULAR封装形式:IN-LINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:9 V
认证状态:Not Qualified座面最大高度:4.25 mm
子类别:Analog Computational Functions最大供电电流 (Isup):7.6 mA
最大供电电压 (Vsup):12 V最小供电电压 (Vsup):6.5 V
标称供电电压 (Vsup):9 V表面贴装:NO
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:TIN/TIN COPPER端子形式:THROUGH-HOLE
端子节距:1.778 mm端子位置:DUAL
处于峰值回流温度下的最长时间:10宽度:7.62 mm

BA7725S 数据手册

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Multimedia ICs  
Analog compander for KARAOKE  
echo systems  
BA7725S / BA7725FS  
The BA7725S and BA7725FS are analog companders designed for KARAOKE echo systems, and logarithmically  
compress the signal level by 1 / 2 and then logarithmically expand it by a factor of 2. These ICs can be used in com-  
bination with the BU9252S or BU9252F to create a digital echo system. These ICs have an internal line mixer ampli-  
fier for mixing line input and echo signals. The internal electronic volume control makes it possible to adjust the mixer  
level and loop level mixer with an external DC voltage.  
Applications  
Circuits that require analog signal compression and expansion  
Features  
1) Internal logarithmic 1 / 2 compression circuit and 2 ×  
expansion circuit  
4) Internal electronic volume control allows for adjust-  
ment of the echo mixer level and loop mixer level  
using an external DC voltage.  
2) Internal 2-channel buffer amplifier used as a tertiary  
low pass filter  
5) Internal microphone amplifier and microphone input  
ON / OFF switch  
3) Internal mixer amplifier that mixes line input and  
microphone input  
Absolute maximum ratings (Ta = 25°C)  
Parameter  
Symbol  
VCC  
Limits  
13  
Unit  
V
Power supply voltage  
1
BA7725S  
BA7725FS  
1000  
Power  
dissipation  
Pd  
mW  
2
600  
Storage temperature  
Operating temperature  
Tstg  
Topr  
– 55 ~ + 125  
– 10 ~ + 70  
°C  
°C  
1 Reduced by 10mW for each increase in Ta of 1°C over 25°C.  
2 Reduced by 6.0mW for each increase in Ta of 1°C over 25°C.  
Recommended operating conditions  
Parameter  
Symbol  
VCC  
Limits  
Unit  
V
Power supply voltage  
6.5 12.0  
1

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