TDA7469_1 Datasheet, PDF (8/13 Pages) STMicroelectronics – LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPLIFIER

TDA7469
Figure 5. THD+Noise vs Amplitude @V_CC 2.5V,
R_load 16Ω
THD ₁₀
(%)
5
2
1
Vcc = 2.5V
Rload = 16ohm
0.5
f = 1KHz
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
5m
10m
15m
20m
25m
30m
Pout (W)
Figure 7. THD+Noise vs Amplitude @V_CC 2.5V,
R_load 32Ω
THD ₁₀
(%)
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
Vcc = 2.5V
Rload = 32ohm
f = 1KHz
0.002
0.001
2m
4m
6m
8m
10m 12m 14m 16m 18m 20m
Pout (W)
Figure 6. THD+Noise vs Amplitude @V_CC 2.8V,
R_load 16Ω
THD 10
(%) ₅
2
1
0.5
Vcc = 2.8V
Rload = 16ohm
0.2
f =1KHz
0.1
0.05
0.02
0.01
0.005
0.002
0.001
5m
10m
15m
20m
25m
30m
35m
Pout (W)
Figure 8. THD+Noise vs Amplitude @V_CC 2.8V,
R_load 32Ω
THD 10
(%) 5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
Vcc = 2.8V
Rload = 32ohm
f = 1KHz
0.002
0.001
5m
10m
15m
20m
25m
30m
Pout (W)
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