TDA7564B Datasheet, PDF (12/34 Pages) STMicroelectronics – 4 x 50W multifunction quad power amplifier with built-in diagnostics features

Electrical specifications
TDA7564B
Figure 9. Distortion vs. output power (4Ω, HI- Figure 10. Distortion vs. output power (2Ω,
EFF)
STD)
THD (%)
10
HI-EFF MODE
Vs = 14.4 V
1
RL = 4 Ohm
f = 10 KHz
0.1
f = 1 KHz
0.01
THD (%)
10
STANDARD MODE
Vs = 14.4 V
RL = 2 Ohm
1
f = 10 KHz
0.1
f = 1 KHz
0.001
0.1
1
10
Po (W)
Figure 11. Distortion vs. frequency (4Ω)
0.01
0.1
1
10
Po (W)
Figure 12. Distortion vs. frequency (2Ω)
THD (%)
10
STANDARD MODE
1
Vs = 14.4 V
RL = 4 Ohm
Po = 4 W
0.1
THD (%)
10
STANDARD MODE
1
Vs = 14.4 V
RL = 2 Ohm
Po = 8 W
0.1
0.01
10
100
1000
f (Hz)
Figure 13. Crosstalk vs. frequency
10000
10
100
1000
10000
f (Hz)
Figure 14. Supply voltage rejection vs. freq.
CROSSTALK (dB)
90
80
70
60
STANDARD MODE
50
RL = 4 Ohm
Po = 4 W
Rg = 600 Ohm
40
30
20
10
100
1000
f (Hz)
10000
SVR (dB)
90
80
70
60
50
40
STD & HE MODE
Rg = 600 Ohm
Vripple = 1 Vpk
30
20
10
100
1000
f (Hz)
10000
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