TDA7494 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA7494 Datasheet PDF : 12 Pages
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Figure 11: Gain vs Volume Control (pin #3)
Gain
(dB)
20
D96AU525
10
0
POUT=1W
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.0 1.0 2.0 3.0 4.0 Vpin#3(V)
Figure 13: Stand-by Attenuation vs Vpin # 9
ATT
(dB)
0
D96AU527
0dB=1W
-20
-40
-60
-80
-100
-120
-140
0
1
2
3
4 Vpin#9(V)
Figure 15: Power Dissipation vs Output Power
PDISS
(W)
8
RL=8Ω
6
4
2
D96AU529
VS=35V
VS=28V
VS=21V
0
0.1
1
10 POUT(W)
TDA7494
Figure 12: Supply Voltage Rejection vs Fre-
quency
SVR
(dB)
D96AU526
VRIP=1VRMS
-20
-40
MAX VOLUME
-60
MAX ATTENUATION
-80
-100
20
100
1K
f(Hz)
Figure 14: Mute Atttenuation vs Vpin # 10
ATT
(dB)
0
D96AU528
0dB=1W
-20
-40
-60
-80
-100
0
1
2
3
4 Vpin#10(V)
Figure 16: Power Dissipation vs Output Power
PDISS
(W)
8
RL=4Ω
6
D96AU530
VS=21V
4
VS=18V
2
0
0.1
1
10 POUT(W)
7/12
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