TDA7850 Datasheet, PDF (13/18 Pages) STMicroelectronics – 4 x 50 W MOSFET quad bridge power amplifier plus HSD

TDA7850
Electrical specifications
Figure 18. Power dissipation vs. output power Figure 19. Power dissipation vs. output power
(R_L = 4Ω, audio program simulation)
(R_L = 2Ω, audio program simulation)
30 ^{Ptot (W)}
V_S = 13.2 V
25
R_L = 4 x 4Ω
GAUSSIAN NOISE
20
15
10
5
0
1
2
CLIP START
3
4
P_o (W)
60 ^{Ptot (W)}
55
V_S = 13.2 V
50
R_L = 4 x 2Ω
GAUSSIAN NOISE
45
40
35
30
25
20
15
10
5
5
6
0
2
AC00076
CLIP START
4
6
P_o (W)
8
10
AC00077
Figure 20. ITU R-ARM frequency response,
weighting filter for transient pop
Output attenuation (dB)
10
0
-10
-20
-30
-40
-50
10
100
1000
Hz
10000
100000
AC00343
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