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TDA7491HV Datasheet(PDF) 10 Page - STMicroelectronics

Part # TDA7491HV
Description  20 W 20 W dual BTL class-D audio amplifier
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7491HV Datasheet(HTML) 10 Page - STMicroelectronics

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Characterization curves
TDA7491HV
10/26
Figure 5.
THD + N vs output power (without LC filter)
Figure 6.
THD + N vs frequency
Figure 7.
Closed-loop gain vs frequency
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
100m
30
200m
500m
1
2
5
10
20
Po (W)
Vs=18V
Rl=8
Ω
f=1kHz
L CH
R CH
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
100m
30
200m
500m
1
2
5
10
20
Po (W)
Vs=18V
Rl=8
Ω
f=1kHz
L CH
R CH
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency (Hz)
THD +N (%)
Vs = 18V
Rl = 8 ohm
Pout =100mW
Pout =1 W
-5
+2
-4.5
-4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
-0
+0.5
+1
+1.5
20
50k
50
100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Ampl (dB)
Gain =32 dB
Gain =30 dB
Gain =26 dB
Gain =20 dB
Vs = 18V
Rl = 8 ohm
@ f =1kHz, Po =1W



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