TDA7266M 查看數據表（PDF） - STMicroelectronics
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TDA7266M Datasheet PDF : 9 Pages
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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
0.010
100
Pout = 100mW
Pout = 2W
1k
frequency (Hz)
10k 20k
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 8: Output Power vs. Supply Voltage
P o (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 12.00 14.00 16.00 18.00
Vs(V)
6/9
Figure 9: Total Power Dissipation & Efficiency
vs. Output Power
Pd (W)
µ(%)
4
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
Pout(W)
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