TDA7492E Datasheet, PDF (17/24 Pages) STMicroelectronics – 79 W + 79 W dual BTL class-D audio amplifier

TDA7492E
Figure 12: THD vs. frequency (Vs = 26 V, Po = 1 W)
10
5
2
1
0.5
Vs=26V, Rl =6 Ω , Po= 1W
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
20
50 100 200
500 1k 2k
Frequency (Hz)
5k 10k 20k
Characterization curves
Figure 13: Frequency response Vs = 26 V
+2
+1.5
+1
+0.5
+0
-0.5
-1
-1.5
-2
Rl =6 Ω , Po= 1W
-2.5
-3
-3.5
-4
-4.5
-5
-5.5
-6
20
50 100 200 500 1k 2k
5k 10k 20k
Frequency (Hz)
Figure 14: Signal-to-noise ratio (Vs = 26 V, gain =
32.6 dB, not weighted)
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
Gain = 32.6dB, No -Weight
Vs=26V,Rl=6 Ω ,Po=1W, f=1kHz
50 100 200 500 1k 2k
Frequency (Hz)
5k 10k 20k
Figure 15: Signal-to-noise ratio (Vs = 26 V, gain =
20.6 dB, not weighted)
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
Gain=20.6dB, No-Weight
Vs=26V, Rl=6 Ω, Po= 1W, f=1kHz
50 100 200 500 1k 2k
Frequency (Hz)
5k 10k 20k
DocID027638 Rev 1
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