TDA7575B Datasheet, PDF (12/32 Pages) STMicroelectronics – 2 x 75W multifunction dual-bridge power amplifier with integrated digital diagnostics

Electrical characteristics curves
TDA7575B
Figure 9. Distortion vs. output power
Figure 10. Distortion vs. output power
10 ^{THD (%)}
STD mode
Vs=14.4V
1
RL=4 Ohm
0.1
0.01
f=10 KHz
f=1 KHz
THD (%)
10
STD mode
Vs=14.4V
1 ^{RL=2 Ohm}
0.1
0.01
f=10 KHz
f=1 KHz
0.001
0.1
1
10
Po (W)
0.001
100
0.1
1
10
100
Po (W)
Figure 11. Distortion vs. output power
Figure 12. Distortion vs. frequency
10 ^{THD (%)}
STD mode
Vs=14.4V
RL=1 Ohm
1
0.1
f=10 KHz
f=1 KHz
THD (%)
10
Vs=14.4V
STD mode
1
0.1
0.01
1Ω - 40W
2Ω - 24W
4Ω - 12W
0.01
0.1
1
10
Po (W)
Figure 13. Distortion vs. output voltage
(LD mode)
0.001
100
10
100
1000
10000
f (Hz)
Figure 14. Cross talk vs. frequency
100000
THD (%)
10
LD mode
Vs=14.4V
1
RL=100 Ohm
0.1
0.01
f=10 KHz
0.001
0123456
Vout
f=1 KHz
7 8 9 10 11 12
CROSSTALK (dB)
-20
-30 STD mode
RL=2 Ohm
-40 Rg=600 Ohm
-50
-60
-70
-80
-90
-100
10
100
1000
f (Hz)
10000
100000
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