TDA7563 Datasheet, PDF (7/20 Pages) STMicroelectronics – MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

Figure 8. Distortion vs. Frequency (4Ω)
THD (%)
10
STANDARD MODE
1
Vs = 14.4 V
RL = 4 Ohm
Po = 4 W
0.1
0.01
10
100
1000
f (Hz)
10000
Figure 9. Distortion vs. Frequency (2Ω)
THD (%)
10
STANDARD MODE
Vs = 14.4 V
1
RL = 2 Ohm
Po = 4 W
0.1
0.01
10
100
1000
f (Hz)
Figure 10. Crosstalk vs. Frequency
10000
CROSSTALK (dB)
90
80
70
60
50
STANDARD MODE
RL = 4 Ohm
Po = 4 W
40 Rg = 600 Ohm
30
20
10
100
1000
f (Hz)
10000
TDA7563
Figure 11. Supply Voltage Rejection vs. Freq.
SVR (dB)
90
80
70
60
50
STD & HE MODE
40
Rg = 600 Ohm
Vripple = 1 Vpk
30
20
10
100
1000
f (Hz)
10000
Figure 12. Power Dissipation & Efficiency vs.
Output Power (4Ω, STD, SINE)
Ptot (W)
90
n (%)
90
80
STANDARD MODE
Vs = 14.4 V
70
RL = 4 x 4 Ohm
f = 1 KHz SINE
n
80
70
60
60
50
50
40
40
Ptot
30
30
20
20
10
10
0
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Po (W)
Figure 13. Power Dissipation & Efficiency vs.
Output Power (4W, HI-EFF, SINE)
Ptot (W)
90
n (%)
90
HI-EFF MODE
80
Vs = 14.4 V
80
RL = 4 x 4 Ohm
n
70
f = 1 KHz SINE
70
60
60
50
50
Ptot
40
40
30
30
20
20
10
10
0
0
0.1
1
10
Po (W)
7/20