參數(shù)資料
型號(hào): TA8263BHQ
元件分類: 音頻/視頻放大
英文描述: 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝: 1 MM PITCH, PLASTIC, HZIP-25
文件頁(yè)數(shù): 12/15頁(yè)
文件大小: 323K
代理商: TA8263BHQ
TA8263BHQ
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
相關(guān)PDF資料
PDF描述
TA8264AHQ 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
TA8264AHQ 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
TA8266HQ 23 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
TA8266HQ 23 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
TA8266H 23 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TA8264AH 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Max Power 41 W BTL 】 4 ch Audio Power IC
TA8264AHQ 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Max Power 41 W BTL x 4 ch Audio Power IC
TA8265K 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:DUAL AUDIO POWER AMPLIFIER
TA8266H 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Max Power 35 W BTL ?4 ch Audio Power IC
TA8271H 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Max Power 41 W BTL X 4 ch Audio Power IC