Datasheet
Electrical specifications TDA7850
12/18
Figure 12. Distortion vs. frequency
(R
L
= 2)
Figure 13. Crosstalk vs. frequency
Figure 14. Supply voltage rejection vs.
frequency
Figure 15. Output attenuation vs. supply
voltage
Figure 16. Power dissipation and efficiency
vs. output power (R
L
= 4, SINE)
Figure 17. Power dissipation and efficiency
vs. output power (R
L
= 2, SINE)
AC00070
0.001
0.01
0.1
1
10
10 100 1000 10000 100000
f (Hz)
THD (%)
V
S
= 14.4 V
R
L
= 2Ω
P
o
= 8 W
-100
-90
-80
-70
-60
-50
-40
-30
-20
10 100 1000 10000 100000
R
L
= 4Ω
P
o
= 4 W
R
g
= 600Ω
f (Hz)
CROSSTALK (dB)
AC00071
AC00072
-100
-90
-80
-70
-60
-50
-40
-30
-20
10 100 1000 10000 100000
f (Hz)
SVR (dB)
R
g
= 600Ω
Vripple = 1 Vrms
AC00073
-100
-80
-60
-40
-20
0
5678910
Vs (V)
OUTPUT ATTN (dB)
R
L
= 4Ω
P
o
= 4 W ref
AC00074
0
10
20
30
40
50
60
70
80
90
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
P
tot
(W)
η
(%)
P
o
(W)
0
10
20
30
40
50
60
70
80
90
P
tot
η
V
S
= 14.4 V
R
L
= 4 x 4Ω
f = 1 KHz SINE
AC00075
0
20
40
60
80
100
120
140
160
180
0 5 10 15 20 25 30 35 40 45 50 55
0
10
20
30
40
50
60
70
80
90
Ptot (W)
η
(%)
P
o
(W)
P
tot
η
V
S
= 14.4 V
R
L
= 4 x 2Ω
f = 1 KHz SINE
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