参数资料
型号: TB2934HQ
元件分类: 音频/视频放大
英文描述: 41 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封装: 1 MM PITCH, PLASTIC, HZIP-25
文件页数: 5/39页
文件大小: 459K
代理商: TB2934HQ
TB2934HQ
2006-06-14
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
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