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TDA7564

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)

Figure 18. SVR and Output pin behaviour (CASE 2: with turn-on diagnostic)

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