TDA7563 Datasheet, PDF (9/20 Pages) STMicroelectronics – MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

TDA7563
Fig. 17 and 18 show SVR and OUTPUT waveforms at the turn-on (stand-by out) with and without TURN-ON
DIAGNOSTIC.
Figure 17. SVR and Output behaviour (CASE 1: without turn-on diagnostic)
Vsvr
Out
Permanent diagnostic
acquisition time (100mS Typ)
Bias (power amp turn-on)
Diagnostic Enable
(Permanent)
FAULT
event
t
Read Data
I2CB DATA
Permanent Diagnostics data (output)
permitted time
Figure 18. SVR and Output pin behaviour (CASE 2: with turn-on diagnostic)
Vsvr
Out
Turn-on diagnostic
acquisition time (100mS Typ)
Permanent diagnostic
acquisition time (100mS Typ)
t
Diagnostic Enable
(Turn-on)
Turn-on Diagnostics data (output)
permitted time
Diagnostic Enable
(Permanent)
FAULT
event
Bias (power amp turn-on)
permitted time
Read Data
Permanent Diagnostics data (output)
permitted time
I2CB DATA
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