TDA7851L
Electrical specifications
3.3
Figure 4.
Electrical characteristic curves
Quiescent current vs. supply
voltage
Figure 5.
Output power vs. supply voltage
(R
L
= 4
Ω)
180
I
d
(mA)
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
P
o
(W)
170
160
V
i
= 0
R
L
=
∞
R
L
= 4Ω
f =1 KHz
Po-max
150
THD=10%
140
130
THD=1%
120
8
10
12
Vs (V)
14
16
18
AC00024
8
9
10
11
12
13
V
s
(V)
14
15
16
17
18
AC00025
Figure 6.
Output power vs. supply voltage
(R
L
= 2
Ω)
Figure 7.
Distortion vs. output power
(R
L
= 4
Ω)
Po (W)
130
120
110
100
90
80
70
60
50
40
30
20
10
0
8
9
10
11
12
13
V
s
(V)
14
15
16
17
18
AC00026
THD (% )
10
Po-max
1
f = 10 KHz
0.1
R
L
=2Ω
f=1 KHz
V
s
= 14.4 V
R
L
= 4Ω
THD=10%
THD=1%
0.01
f = 1 KHz
0.001
0.1
1
P
o
(W)
10
100
AC00027
Figure 8.
Distortion vs. output power
(R
L
= 2
Ω)
Figure 9.
Distortion vs. frequency (R
L
= 4
Ω)
THD (% )
10
V
s
= 14.4 V
R
L
= 2
Ω
1
f = 10 KHz
0.1
f = 1 KHz
0.01
10
THD (% )
1
V
s
= 14.4 V
R
L
= 4
Ω
P
o
= 4 W
0.1
0.01
0.001
0.1
1
P
o
(W)
10
100
AC00028
0.001
10
100
1000
f (Hz)
10000
100000
AC00029
Rev 1
9/15
SAMES [ SAMES ]
