Datasheet

TDA7850 Electrical specifications
11/18
3.4 Electrical characteristic curves
Figure 6. Quiescent current vs. supply
voltage
Figure 7. Output power vs. supply voltage
(R
L
= 4)
Figure 8. Output power vs. supply voltage
(R
L
= 2)
Figure 9. Distortion vs. output power
(R
L
= 4)
Figure 10. Distortion vs. output power
(R
L
= 2)
Figure 11. Distortion vs. frequency
(R
L
= 4)
AC00064
V
s
(V)
100
110
120
130
140
150
160
170
180
190
200
8 1012141618
V
i
= 0
R
L
=
∞
I
d
(mA)
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
8 9 10 11 12 13 14 15 16 17 18
P
o
(W)
V
s
(V)
R
L
= 4Ω
f = 1 KHz
Po-max
THD= 10%
THD= 1%
AC00064
AC00066
0
10
20
30
40
50
60
70
80
90
100
110
120
130
8 9 10 11 12 13 14 15 16 17 18
V
s
(V)
P
o
(W)
Po-max
THD=10%
THD=1%
R
L
= 2Ω
f = 1 KHz
AC00067
0.001
0.01
0.1
1
10
0.1 1 10 100
P
o
(W)
THD (%)
V
S
= 14.4 V
R
L
= 4Ω
f = 1 KHz
f = 10 KHz
AC00068
0.001
0.01
0.1
1
10
0.1 1 10 100
P
o
(W)
THD (%)
V
S
= 14.4 V
R
L
= 2Ω
f = 10 KHz
f = 1 KHz
AC00069
0.001
0.01
0.1
1
10
10 100 1000 10000 100000
f (Hz)
THD (%)
V
S
= 14.4 V
R
L
= 4Ω
P
o
= 4 W
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