TDA7266M Datasheet, PDF (6/9 Pages) STMicroelectronics – 7W MONO BRIDGE AMPLIFIER

TDA7266M
Figure 4: Distortion vs Output Power
Figure 5: Distortion vs Output Power
THD (%)
10
1
Vcc = 11 V
Rl = 8 ohm
f = 15 KHz
0.1
f = 5 KHz
THD(%)
10
1
0.1
Vcc = 9V
Rl= 8 ohm
f = 15KHz
f = 5 KHz
0.010
0.1
f = 1 KHz
1
Pout (W)
f = 1KHz
0.010
10
0.1
1
10
Pout (W)
Figure 6: Distortion vs Frequency
Figure 7: Gain vs Frequency
THD(%)
10
1
Vcc = 11 V
Rl = 8 ohm
0.1
Pout = 100mW
0.010
100
Pout = 2W
1k
frequency (Hz)
10k 20k
Figure 8: Output Power vs. Supply Voltage
Po(W )
20.000
18.000
16.000
14.000
12.000
10.000
8.0000
Rl = 8 ohm
f = 1KHz
d = 10%
d = 1%
6.0000
4.0000
2.0000
0.0
2.000
4.000
6.000
8.000 10.00
Vs (V )
12.00
14 .00
16.00
1 8.00
6/9
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 = 11V
Rl = 8 ohm
Pout = 1W
100
1k
10k
100k
frequency (Hz)
Figure 9: Total Power Dissipation & Efficiency
vs. Output Power
Pd (W)
4
µ (%)
80
3.5
Pd
70
3
60
µ
2.5
50
2
40
Vcc = 11V
1.5
Rl = 8ohm
30
f = 1KHz
1
20
0.5
10
0
0
0 0.5 1 1. 5 2 2. 5 3 3.5 4 4.5 5 5.5 6 6.5 7 7. 5 8
P o ut (W)