TDA7266B Datasheet, PDF (6/9 Pages) STMicroelectronics – 10+10W DUAL BRIDGE AMPLIFIER

TDA7266B
Figure 4: Distortion vs Output Power
T H D (% )
10
1
0.1
0.010
0.1
Vcc = 12 V
Rl = 8 ohm
f = 5KHz
f = 15KHz
f = 1KHz
1
Pout (W )
Figure 5: Distortion vs Frequency
THD(%) ¹⁰
5
2
1
0.5
Vcc=12V
Rl =8 ohm
0.2
Pout = 100mW
0.1
0.05
Pout = 2W
0.02
0.01
10
20
50
100 200
500
1k
2k
5k
10k 20k
Frequency (Hz)
Figure 6: Frequency Respone
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
V c c = 1126V.5 V
Rl = 8 ohm
Pout = 1W
100
1k
10k
frequency (Hz)
Figure 7: Output Power vs Supply Voltage
100k
Po
(W)
Rf=8Ω
f=1KHz
10
D99AU1080
8
6
d=10%
d=1%
4
2
0
6 7 8 9 10 11 12 Vs(V)
Figure 8: Total Power Dissipation & Efficiency vs
Output Power
Ptot(W)10
80 µ(%)
Ptot
8
60
µ
6
40
Vcc = 12V
4
RL = 8Ω(both channel)
f = 1KHz
20
2
0
0
0 0.5 1 2 3 4 5 6 7 8 9 10 11
2 x Pout (W)
Figure 9: Mute Attenuation vs. V pin.6
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)
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