TDA7495SA 查看數據表（PDF） - STMicroelectronics
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TDA7495SA Datasheet PDF : 15 Pages
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TDA7495SA
Applications
Figure 13. Supply voltage vs frequency
SVR
(dB)
-20
VRIP=1VRMS
D97AU564
-40
MAX VOLUME
-60
MAX ATTENUATION
-80
-100
20
100
1K
f(Hz)
Figure 14. Gain vs volume control voltage (#3)
Gain
(dB)
30
D97AU563
20
10
POUT=1W
0
-10
-20
-30
-40
-50
-60
-70
-80
0.0 1.0 2.0 3.0 4.0 Vpin#3(V)
Figure 15. Power dissipation vs output power Figure 16. Power dissipation vs output power
PDISS
(W)
10
8
RL=2 x 8Ω
f=1KHz
6
D97AU567
VS=28V
VS=24V
4
VS=18V
2
VS=14V
0
0.1
1
10 POUT(W)
PDISS
(W)
16
RL=2 x 4Ω
f=1KHz
12
8
D97AU568
VS=26V
VS=20V
4
0
0.1
1
10 POUT(W)
3.5
Internal equivalent circuits
Figure 17. Pin: SVR
Figure 18. Pins: INL, INR
SVR
VS
VS
VS
20K
6K
20K
6K
100µA
+
-
1K 30K
OUT L
1K
30K
-
+
OUT R
D97AU585A
INn
SVR
30K
VS
500µA
6K
D97AU589
9/15
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