TDA8191 Datasheet, PDF (5/6 Pages) STMicroelectronics – TV SOUND CHANNEL

TDA8191
Figure 6 : Audio Amplifier Frequency Response
Vo (dB)
2
0
Figure 7 : Output Power versus Supply Voltage
Po (W)
5
d = 10%
4
-2
V₁₁ = 8V
V₁₀ = 200V
-4
R _L = 16Ω
3
2 ^{RL = 8Ω}
RL = 16 = Ω
-6
-8
10
1
fA (Hz)
Vs (V)
0
10 ²
10 ³
10 ⁴
10 ⁵
8 10 12 14 16 18 20 22 24 26 28
Figure 8 : Power Dissipation versus Supply Volt-
age (sine wave operation)
4 ^{P tot (W)}
d = 10%
3
Figure 9 : Power Dissipation and Efficiency ver-
sus Output Power
3 ^{P tot (W)}
R _L = 16Ω
2.5
η (%)
100
Ptot
80
2
2
R _L = 8Ω
RL = 16Ω
1.5
1
1
Vs (V)
0
8 10 12 14 16 18 20 22 24 26 28
0
Figure 10 : Quiescent Drain and Quiescent Out-
put Voltage versus Supply Voltage
Vo
20
Vi = 0
P2 = 12kΩ
15
I _S (mA)
33
IS
32
60
η
40
20
Po (W)
0
1
2
3
4
5
10
Vo
31
5
30
Vs (V)
0
29
8
12
16
20
24 28
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