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TDA7563ASM датащи(PDF) 14 Page - STMicroelectronics

номер детали TDA7563ASM
подробное описание детали  4 x 50W multifunction quad power amplifier with built-in diagnostics feature
PDF  35 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7563ASM датащи(HTML) 14 Page - STMicroelectronics

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Diagnostics functional description
TDA7563A
14/35
Figure 20.
SVR and output behavior (case 1: without turn-on diagnostic)
Figure 21.
SVR and output pin behavior (case 2: with turn-on diagnostic)
The information related to the outputs status is read and memorized at the end of the
current pulse top. The acquisition time is 100 ms (typ.). No audible noise is generated in the
process. As for SHORT TO GND / VS the fault-detection thresholds remain unchanged from
26 dB to 12 dB gain setting. They are as follows:TDA7563A
Figure 22.
Thresholds for short to GND/VS
Bias (power amp turn-on)
t
Diagnostic Enable
(Permanent)
Permanent diagnostic
acquisition time (100mS Typ)
Permanent Diagnostics data (output)
permitted time
I2CB DATA
Vsvr
Out
FAULT
event
Read Data
Bias (power amp turn-on)
permitted time
Turn-on diagnostic
acquisition time (100mS Typ)
t
Read Data
Permanent diagnostic
acquisition time (100mS Typ)
Permanent Diagnostics data (output)
permitted time
Diagnostic Enable
(Turn-on)
Turn-on Diagnostics data (output)
permitted time
I2CB DATA
Vsvr
Out
Diagnostic Enable
(Permanent)
FAULT
event
D01AU1253
S.C. to GND
x
S.C. to Vs
0V
1.8V
VS-1.8V
VS
x
Normal Operation
1.2V
VS-1.2V



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