2003 Mar 20

8

Philips Semiconductors

Objective specification

2

× 25 W class-D power amplifier

TDA8922

handbook, full pagewidth

audio

operating

mute

standby

4 V

2 V

0 V (SGND)

time

Vmode

100 ms

>50 ms

switching

audio

operating

standby

4 V

0 V (SGND)

time

MBL465

Vmode

100 ms

50 ms

switching

Fig.5 Timing on mode selection input.

set to operating, but not earlier than 150 ms after switching to mute.

When switching from standby to operating, there is a first delay of 100 ms before the outputs starts switching. The audio signal is available after a

second delay of 50 ms.