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TDA7266D Datasheet, PDF (9/13 Pages) STMicroelectronics – 5W+5W DUAL BRIDGE AMPLIFIER
Figure 6. Distortion vs Frequency
THD(%)
10
Vcc = 9.5 V
Rl = 8 ohm
1
0.1
0.010
100
Pout = 100mW
Pout = 2W
1k
frequency (Hz)
10k 20k
TDA7266D
Figure 9. Stand-By attenuation vs Vpin 9
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 7. Gain vs Frequency
Level(dBr)
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
10
Vcc = 9.5V
Rl = 8 ohm
Pout = 1W
100
1k
10k
frequency (Hz)
100k
Figure 8. Mute Attenuation vs Vpin.8
Attenuation (dB)
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
1 1.5 2 2.5 3 3.5 4 4.5 5
Vpin.6(V)
Figure 10. Quiescent Current vs Supply Voltage
Iq (mA)
70
65
60
55
50
45
40
35
30
345
6 7 8 9 10 11 12
Vsupply(V)
Figure 11. Total Power Dissipation & Efficiency
vs Pout
Pd(W) 6
5
4
3
2
1
0
0
1
Vcc= 9.5V
Rl = 8 ohm
f=1KHZ
2 Channels
2
3
4
2 X Pout (W)
70 Eff(%)
60
50
40
30
20
10
5
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