TDA7494 Datasheet, PDF (7/12 Pages) STMicroelectronics – 10W AMPLIFIER WITH DC VOLUME CONTROL

Figure 11: Gain vs Volume Control (pin #3)
Gain
(dB)
20
D96AU525
10
0
P_OUT=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
R_L=8Ω
6
4
2
D96AU529
V_S=35V
V_S=28V
V_S=21V
0
0.1
1
10 P_OUT(W)
TDA7494
Figure 12: Supply Voltage Rejection vs Fre-
quency
SVR
(dB)
D96AU526
V_RIP=1V_RMS
-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
R_L=4Ω
6
D96AU530
V_S=21V
4
V_S=18V
2
0
0.1
1
10 P_OUT(W)
7/12