TDA7560
Figure 3. Quiescentcurrent vs. supply
voltage.
Figure 4. Output power vs. supply voltage.
Po (W)
80
Id(mA)
240
75
Po-max
70
65
Vi = 0
220
RL = 4 Ohm
60
55
RL=4Ohm
f=1 KHz
50
45
40
35
30
25
20
15
10
5
THD=10 %
THD=1%
200
180
160
140
8
10
12
14
16
18
8
9
10 11 12 13 14 15 16 17 18
Vs(V)
Vs (V)
Figure 5. Output power vs. supply voltage.
Figure 6. Distortion vs. output Power
THD(%)
10
Po(W)
130
120
110
100
90
Po-max
Vs= 14.4 V
1
RL= 4Ohm
RL= 2 Ohm
f=1 KHz
THD=10%
80
f= 10KHz
70
60
0.1
50
40
30
THD=1 %
f=1 KHz
0.01
20
10
0.001
8
9
10 11 12 13 14 15 16 17 18
Vs (V)
0.1
1
10
Po(W)
Figure 7. Distortion vs. output power
Figure 8. Distortion vs. frequency.
THD (%)
10
THD(%)
10
Vs=14.4 V
Vs = 14.4 V
1
RL= 2 Ohm
1
RL=4 Ohm
Po = 4 W
f= 10KHz
0.1
0.01
0.1
f= 1 KHz
0.01
0.001
0.001
10
100
1000
10000
0.1
1
10
Po (W)
f (Hz)
6/10
STMICROELECTRONICS [ ST ]
