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