TDA7564BPDTR 查看數據表（PDF） - STMicroelectronics
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TDA7564BPDTR
STMicroelectronics
TDA7564BPDTR Datasheet PDF : 34 Pages
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TDA7564B
Electrical specifications
Figure 15. Power dissipation and efficiency vs. Figure 16. Power dissipation and efficiency vs.
output power (4Ω, STD, SINE)
output power (4Ω, HI-EFF, SINE)
Ptot (W)
90
80
STANDARD MODE
Vs = 14.4 V
70
RL = 4 x 4 Ohm
f = 1 KHz SINE
60
n (%)
90
n
80
70
60
50
50
40
40
Ptot
30
30
20
20
10
10
0
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Po (W)
Figure 17. Power dissipation vs. average
output power (audio program
simulation, 4Ω)
Ptot (W)
45
40
Vs = 14 V
35
RL = 4 x 4 Ohm
GAUSSIAN NOISE
30
25
20
15
10
5
0
0
1
2
Po (W)
STD MODE
CLIP
START
HI-EFF MODE
3
4
5
Ptot (W)
90
80
HI-EFF MODE
70
Vs = 14.4 V
RL = 4 x 4 Ohm
f = 1 KHz SINE
60
50
40
30
20
10
0
0.1
1
Po (W)
n (%)
90
80
n
70
60
50
Ptot
40
30
20
10
0
10
Figure 18. Power dissipation vs. average
output power (audio program
simulation, 2Ω)
Ptot (W)
90
80
Vs = 14 V
70 RL = 4 x 2 Ohm
GAUSSIAN NOISE
60
50
40
30
20
10
0
0
1
2
3
STD MODE
CLIP
START
HI-EFF MODE
4
5
6
7
8
9
Po (W)
13/34
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