TDA7575B Datasheet, PDF (14/32 Pages) STMicroelectronics – 2 x 75W multifunction dual-bridge power amplifier with integrated digital diagnostics

Electrical characteristics curves
TDA7575B
Figure 21. Power dissipation vs. average
output power (Audio program
simulation, 4Ω)
Figure 22. Power dissipation vs. average output
power (Audio program simulation,
2Ω)
Ptot (W)
30
Vs=14 V
25 RL=2 x 4Ω
GAUSSIAN NOISE
20
15
STD
10
CLIP
START
5
HI-EFF
0
0
1
2
3
4
5
Po (W)
Figure 23. ITU R-ARM frequency response,
weighting filter for transient pop
Output attenuation (dB)
10
0
-10
-20
-30
-40
-50
10
100
1000
Hz
10000
100000
AC00343
Ptot (W)
35
Vs=14V
30 ^{RL=2 x 2 Ohm}
GAUSSIAN NOISE
25
20
15
CLIP
START
STD
HI-EFF
10
5
0
0 1 2 3 4 5 6 7 8 9 10
Po (W)
14/32