TDA749313TR Datasheet, PDF (24/30 Pages) STMicroelectronics – 3-watt 3-watt dual BTL class-D audio amplifier

Electrical characterization curves
Figure 26. THD vs frequency at 1 W
THD ¹⁰
(%) ⁵
2
1
0.5
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
Figure 27. Frequency response at 1 W
+2
Ampl
(dB)
+1
-0
-1
-2
-3
-4
-5
20
50
100 200
500
1k
2k
frequency (Hz)
5k
10k 20k
50k
Figure 28. Crosstalk vs frequency at 1 W
Crosstalk
T
+40
TT T T
T
(dB)
+20
+0
-20
-40
-60
-80
-100
-120
-140
20
50
100
200
500
1k
2k
frequency (Hz)
5k
10k 20k
TDA7493
24/30
Doc ID 14570 Rev 6