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