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參數(shù)資料
| 型號： | TB2902HQ |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 45 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | 1 MM PITCH, PLASTIC, HZIP-25 |
| 文件頁數(shù)： | 5/38頁 |
| 文件大?。?/td> | 444K |
| 代理商： | TB2902HQ |
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TB2902HQ
2004-08-18
13
Regarding operation of the output offset detection, The software always detects the output offset
but the result is not latched internally as shown in the Figure below:
However, this detection has to be performed in real time: Time voltage offset (Tvos) between read
and next read is set at Tvos
= 1/the lowest signal frequency ,or more. For instance Tvos > 50 ms if the
lowest output signal frequency is 20 Hz, and to obtain 2 or more readings in order not to make a
misjudgment
Additionaly, the threshold level is designed at
+/2 V.
Figure 8
Software Output Offset Detection Timing Chart
Turn On diagnostic
acquisition time (80 ms typ.)
Turn On diagnostic
DATA permitted time
WRITE DATA
READ DATA
result faulty
FAULT
event
Pin10
ripple
voltage
READ DATA
result not faulty
FAULT
removed
Permanent diagnostic DATA
permitted time
READ DATA
result not faulty
Correct Tvos
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TB2903HQ | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2903HQ | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2904HQ | 26 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2904HQ | 26 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2905HQ | 55 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TB2903HQ | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Maximum Power 47W BTL x 4-ch Audio Power IC |
| TB2904HQ | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Maximum Power 43 W BTL ?4-ch Audio Power IC |
| TB2905HQ | 制造商:TOSHIBA 制造商全稱: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:音頻放大器 25W x 4ch Class-KB Car Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TB2906HQ | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Maximum Power 43 W BTL x 4-ch Audio Power IC |
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