TDA7490L(2001) 查看數據表（PDF） - STMicroelectronics
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TDA7490L Datasheet PDF : 9 Pages
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TDA7490L
Figure 4. Distortion vs. Output Power
Figure 5. Distortion vs. Output Power
THD
(%)
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0
Stereo
VS ± 17V; Rl=8Ω;
f=1KHz
2
4
6
8
10
12
Figure 6. Crosstalk vs. Frequency
CT
(dB)
VS ± 17V;
-20
Rl=8Ω;
0dB=1W
-30
-40
-50
-60
-70
-80
-90
-100
0.001
0.01
0.1
1
D99AU1086
14 PO(W)
THD
(%)
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0
Stereo
VS ± 13V; Rl=4Ω;
f=1KHz
2
4
6
8
10
Figure 7. Frequency Response
D99AU1102
AMP
(dB)
2
0
-2
-4
VS= ±17V;
Rl= 8Ω;
-6
0dB= 1W
-8
-10
-12
-14
f(KHz)
0.01
0.1
1
D99AU1084
12
14 PO(W)
D99AU1103
10
f(KHz)
Figure 8. Power Dissipation vs. Output Power
Ptot
(W)
7
6
5
4
3
2
1
0
0
VS= ±17V;
Rl= 8Ω;
f= 1KHz
D99AU1087
2 4 6 8 10 12 14 PO(W)
Figure 9. Distortion vs. Output Power in BTL
THD
(%)
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0
Bridge
VS ± 13V;
Rl=8Ω;
f=1KHz
D99AU1104
5
10
15
20
25
PO(W)
6/9
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