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参数资料
| 型号： | TB2903HQ |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | 1 MM PITCH, PLASTIC, HZIP-25 |
| 文件页数： | 11/15页 |
| 文件大小： | 343K |
| 代理商： | TB2903HQ |
TB2903HQ
2004-07-25
5
4.
Off-set detection function
In case of Appearing output offset voltage by Generating a Large Leakage Current on the input
Capacitor etc.
Figure 6
Application and Detection Mechanism
Vref
Elec. vol
25
5 V
L.P.F.
To CPU
+
V
Offset voltage (at leak or short)
DC Voltage (
) Amp (at short) (RS2)
DC Voltage (
+) Amp (at leak) (RS1)
VCC/2 (normal DC voltage)
Leak or short
Vbias
Vref/2
A
B
R
S2
RS1
(
+) Amp output
Threshold level (RS1)
VCC/2
GND
t
GND
Voltage of
point (A)
Voltage of
point (B)
Threshold level (RS2)
t
RS2
Figure 7
Wave Form
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PDF描述 |
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| TB2903HQ | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2904HQ | 26 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TB2904HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Maximum Power 43 W BTL ?4-ch Audio Power IC |
| TB2905HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Class KB High-Efficiency, Low-Frequency Power Amplifier IC Maximum Power: 47 W x 4 Channels |
| TB2905HQ(O) | 功能描述:音频放大器 25W x 4ch Class-KB Car Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TB2906HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Maximum Power 43 W BTL x 4-ch Audio Power IC |
| TB2913HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Maximum Power 47 W BTL 】 4-ch Audio Power IC |
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