TDA7266D
Figure 6. Distortion vs Frequency
Figure 9. Stand-By attenuation vs Vpin 9
Attenuation(dB)
THD(%)
10
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
Vcc = 9.5 V
Rl = 8 ohm
1
Pout = 100mW
0.1
Pout = 2W
0.010
100
1k
10k
20k
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
2.2 2.4
frequency (Hz)
Vpin.7(V)
Figure 7. Gain vs Frequency
Figure 10. Quiescent Current vs Supply Voltage
Iq (mA)
70
Level(dBr)
5.0000
4.0000
65
60
55
50
45
40
35
30
Vcc = 9.5V
Rl = 8 ohm
Pout = 1W
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
3
4
5
6
7
8
9
10 11 12
10
100
1k
frequency (Hz)
10k
100k
Vsupply(V)
Figure 8. Mute Attenuation vs Vpin.8
Figure 11. Total Power Dissipation & Efficiency
vs Pout
Attenuation (dB)
10
Pd(W)
6
5
4
3
2
1
0
70
Eff(%)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
60
50
Vcc= 9.5V
Rl = 8 ohm
40
30
20
10
f=1KHZ
2 Channels
1
1.5
2
2.5
3
3.5
4
4.5
5
Vpin.6(V)
0
2
3
4
5
1
2 X Pout (W)
9/13
STMICROELECTRONICS [ ST ]
