TDA7297SA Datasheet, PDF (6/11 Pages) STMicroelectronics – 10W+10W DUAL BRIDGE AMPLIFIER

TDA7297SA
Figure 6. Frequency Response
L e ve l(d B r)
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
10
Vcc = 16.5V
Rl = 8 ohm
Pout = 1W
100
1k
10k
freq uency (Hz )
Figure 9. Mute Attenuation vs Vpin 6
Attenuation (dB)
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
100k
-100
1
1.5
2
2.5
3
3.5
4
4.5
5
Vpin.6(V)
Figure 7. Output Power vs Supply Voltage
Po
(W)
10
Rf=8Ω
f=1KHz
D99AU1080
8
6
d=10%
d=1%
4
2
0
6 7 8 9 10 11 12 Vs(V)
Figure 10. Stand-By attenuation vs Vpin 7
Attenuation (dB)
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4
Vpin.7 (V)
Figure 8. Ptot & Efficiency vs Ouput Power
Ptot(W)10
8
6
4
2
Ptot
µ
Vcc = 12V
RL = 8Ω (both
channel)
f = 1KHz
80 µ (%)
60
40
20
0
0
0 0.5 1 2 3 4 5 6 7 8 9 10 11
2 x Pout (W)
Figure 11. Quiescent Current vs Supply
Voltage
Iq (mA)
70
65
60
55
50
45
40
35
30
6 7 8 9 10 11 12 13 14 15 16 17 18
Vsupply(V)
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