TDA7566
Electrical specifications
Figure 10. Distortion vs. frequency (2 Ω)
Figure 11. Crosstalk vs. frequency
THD (%)
10
Vs = 14.4 V
RL = 2 Ohm
Po = 8 W
1
0.1
0.01
10
100
1000
f (Hz)
10000
Figure 12. Supply voltage rejection vs.
frequency
CROSSTALK (dB)
90
80
70
60
Vs = 14.4 V
RL = 4 Ohm
50
Po = 4 W
Rg = 600 Ohm
40
30
20
10
100
1000
f (Hz)
10000
Figure 13. Power dissipation and efficiency vs.
output power (4 Ω, Sine)
SVR (dB)
90
80
70
60
50
Rg = 600 Ohm
40
Vripple = 1 Vpk
30
20
10
100
1000
f (Hz)
10000
Ptot (W)
90
n (%)
90
80
Vs = 14.4 V
70
RL = 4x4 Ohm
f= 1 KHz SINE
60
n
80
70
60
50
50
Ptot
40
40
30
30
20
20
10
10
0
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Po (W)
Figure 14. Power dissipation vs. average output Figure 15. Power dissipation vs. average output
power (audio program simulation, 4 Ω)
power (audio program simulation, 2 Ω)
Ptot (W)
45
40
Vs = 14.4 V
35
RL = 4x4 Ohm
GAUSSIAN NOISE
30
CLIP
START
25
20
15
10
5
0
1
2
3
4
5
Po (W)
Ptot (W)
90
80
70
Vs = 14.4 V
RL = 4x2 Ohm
60
GAUSSIAN NOISE
50
CLIP
START
40
30
20
10
0
0
1
2
3
4
5
6
7
8
Po (W)
Doc ID 9801Rev 5
11/29