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TDA7491HV 데이터 시트보기 (PDF) - STMicroelectronics
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TDA7491HV
20 W + 20 W dual BTL class-D audio amplifier
STMicroelectronics
TDA7491HV Datasheet PDF : 26 Pages
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TDA7491HV
Characterization curves
Figure 14. THD vs output power
THD (%)
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
100m
200m
Vs
= 18V
Rl = 6 ohm
f =1kHz
500m
1
2
5
Output Power (W)
10
20 30
Figure 15. Frequency response
Ampl (dB)
+2
+1.5
+1
+0.5
-0
-0.5
-1
-1.5
-2
-2.5
-3
-3.5
-4
-4.5
-5
20
Vs =
18V
Rl = 6 ohm
f =1kHz
Po =1W
50
100
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
50k
Figure 16. THD vs frequency
THD (%)
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
20
Vs =
18V
Rl = 6 ohm
f =1kHz Po =1W
50
100
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
13/26
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