- 您现在的位置：买卖IC网 > PDF目录98157 > TA8273HQ 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 PDF资料下载
参数资料
| 型号： | TA8273HQ |
| 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： | 12/15页 |
| 文件大小： | 321K |
| 代理商： | TA8273HQ |
TA8273HQ
2006-04-28
6
5.3
In Case of Appearing Output Offset Voltage by Generating a Large Leakage Current on
the Input Capacitor etc.
NPN transistor (Q2) is turned on while the inverted output voltage level become less than the
threshold level of output offset voltage detector.
t
(
) Amp output
Figure 10
Wave Form
Threshold level
VCC/2
GND
t
Voltage of point (A)
GND
t
Voltage of point (B)
GND
Figure 9
Application and Detection Mechanism
Vref
Leak or short
Elec. Vol.
Vref/2
25
5 V
L.P.F.
A
B
To CPU
Vbias
V
DC voltage of (
+) Amp (at leak)
DC voltage of (
) Amp (at leak)
VCC/2 (normal DC voltage)
Offset voltage (at leak)
*: It is possible to detect the abnormal output offset which is appeared by the large leakage of the input capacitor at
Vref/2 > Vbias (about 1.4 V)
t
相关PDF资料 |
PDF描述 |
|---|---|
| TA8273H | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TA8275HQ | 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TA8275HQ | 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TA8275H | 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TA8276HQ | 23 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TA8275 | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Max Power 41 W BTL x 4 ch Audio Power IC |
| TA8275H | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Max Power 41 W BTL x 4 ch Audio Power IC |
| TA8276H | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Max Power 35 W BTL 】 4 ch Audio Power IC |
| TA8276HQ | 功能描述:音频放大器 20W x 4ch 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 |
| TA8277 | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:MAX POWER 43 W BTL x 4 CH AUDIO POWER IC |
发布紧急采购，3分钟左右您将得到回复。