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TA8264AH PDF预览

TA8264AH

更新时间: 2024-01-18 13:19:14
品牌 Logo 应用领域
东芝 - TOSHIBA 消费电路商用集成电路音频放大器视频放大器局域网
页数 文件大小 规格书
15页 251K
描述
Max Power 41 W BTL 】 4 ch Audio Power IC

TA8264AH 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:ZIP包装说明:1 MM PITCH, PLASTIC, HZIP-25
针数:25Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.83Is Samacsys:N
标称带宽:20 kHz商用集成电路类型:AUDIO AMPLIFIER
增益:34 dB谐波失真:10%
JESD-30 代码:R-PZFM-T25信道数量:4
功能数量:1端子数量:25
最高工作温度:85 °C最低工作温度:-40 °C
标称输出功率:24 W封装主体材料:PLASTIC/EPOXY
封装代码:ZIP封装等效代码:ZIP25,.16,.16,40
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED电源:13.2 V
认证状态:Not Qualified子类别:Audio/Video Amplifiers
最大压摆率:400 mA最大供电电压 (Vsup):18 V
最小供电电压 (Vsup):9 V表面贴装:NO
技术:BIPOLAR温度等级:INDUSTRIAL
端子形式:THROUGH-HOLE端子节距:1 mm
端子位置:ZIG-ZAG处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

TA8264AH 数据手册

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TA8264AH  
6. Prevention of speaker burning accident (In Case of Rare Short Circuit of Speaker)  
When the direct current resistance between OUT + and OUT - terminal becomes 1 W or less and output  
current over 4 A flows, this IC makes a protection circuit operate and suppresses the current into a speaker.  
This system makes the burning accident of the speaker prevent as below mechanism.  
<The guess mechanism of a burning accident of the speaker>  
Abnormal output offset voltage (voltage between OUT + and OUT -) over 4 V is made by the external  
circuit failure.(Note 1)  
¯
The speaker impedance becomes 1 W or less as it is in a rare short circuit condition.  
¯
The current more than 4 A flows into the speaker and the speaker is burned.  
Current into a speaker  
Operating point of protector  
Less than 4 W  
Speaker impedance  
About 1 W  
4 W  
Figure 9  
Note 1: It is appeared by biased input DC voltage  
(for example, large leakage of the input capacitor, short-circuit between copper patterns of PCB.)  
6
2002-02-13  

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