TDA7293_03 Datasheet, PDF (12/15 Pages) STMicroelectronics – 120V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY

TDA7293
Figure 9: Distortion vs Output Power
T.H.D (%)
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
2
Vs = +/-29V
Rl = 4 Ohm
f = 20 KHz
f = 1KHz
5
10
20
Pout (W)
50
100
Figure 10: Distortion vs Output Power
T.H.D (%)
10
5
2
1
0.5
0.2
0.1
0.05
Vs = +/-40V
Rl = 8 Ohm
f = 20 KHz
0.02
0.01
0.005
f = 1KHz
0.002
0.001
2
5
10
20
Pout (W)
50 100
Figure 11: Distortion vs Frequency
T.H.D. (%)
10
1
0.1
0.01
0.001
0
12/15
VS= +/- 35 V
Rl= 8 Ohm
Pout=100 mW
Po=50 W
0.1
1
10
100
Frequency (KHz)
Figure 12: Modular Application Derating Rload
vs Vsupply (ref. fig. 7)
6
5
4
3
2
Forbidden Area
1
Pd > 50W at Tcase=70°C
0
20
25
30
35
40
45
50
Supply Voltage (+/-Vcc)
Figure 13: Modular Application Pd vs Vsupply
(ref. fig. 7)
60
Pd limit at Tcase=70°C
50
Dissipated Power for each
device of the modular
application
40
4ohm
30
8ohm
20
10
0
20
25
30
35
40
45
50
Supply Voltage (+/-Vcc)
Figure 14: Output Power vs. Supply Voltage
Po (W)
120
110
100
90
80
70
60
50
40
30
20
10
0
Rl=8 Ohm
f= 1 KHz
T.H.D.=10 %
THD=0.5 %
10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
Vs (+/-V)