參數(shù)資料
型號： TB2912HQ
元件分類： 音頻／視頻放大
英文描述： 27 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝： 1 MM PITCH, PLASTIC, HZIP-25
文件頁數(shù)： 5/40頁
文件大?。?/td> 580K
代理商： TB2912HQ
TB2912HQ
2006-04-28
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
TB2913HQ 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
TB2921AHQ 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
TB2921HQ 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
TB2922HQ 46 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM12
TB2923AHQ 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TB2913HQ 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Maximum Power 47 W BTL 】 4-ch Audio Power IC
TB2915AHQ(O) 制造商:Toshiba America Electronic Components 功能描述:IC AMP BTL AUDIO 45W 4CH HZIP25
TB2915HQ(O) 功能描述:音頻放大器 45W x 4-CH high-EFF car power 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
TB2921HQ(O) 功能描述:音頻放大器 50W x 4-CH class-AB car power 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
TB2922HQ 制造商:Toshiba 功能描述:Pure complementary P-ch & N-ch DMOS output stage, BTL output form
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