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TDA7498 Datasheet(PDF) 9 Page - STMicroelectronics

Part # TDA7498
Description  100-watt 100-watt dual BTL class-D audio amplifier
PDF  22 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7498 Datasheet(HTML) 9 Page - STMicroelectronics

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4.2.1
For RL = 6 Ω
Figure 5. Output power (THD = 10%) vs. supply
voltage
10
120
20
30
40
50
60
70
80
90
100
110
+10
+36
+12
+14
+16
+1 8
+20
+22
+24
+26
+2 8
+30
+32
+34
Su pply voltage (V)
Figure 6. THD vs. output power
0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
100m
200
200m
500m
1
2
5
10
20
50
100
Output powe r (W)
f = 1 kHz
f = 100 Hz
Figure 7. THD vs. frequency (1 W)
20
20k
50
100
200
500
1k
2k
5k
10k
Fre quency (Hz)
0.01
2
0.02
0.05
0.1
0.2
0.5
1
Figure 8. THD vs. frequency (100 mW)
0.01
2
0.02
0.05
0.1
0.2
0.5
1
20
20k
50
100
200
500
1k
2k
5k
10k
Fre quency (Hz)
Figure 9. Frequency response
-3
+3
-2.5
-2
-1.5
-1
-0.5
+0
+0.5
+1
+1.5
+2
+2.5
10
20k
20
50
100
200
500
1k
2k
5k
10k
Fre quency (Hz)
Figure 10. FFT performance (0 dBFS)
20
20k
50
100
200
500
1k
2k
5k
10k
Fre quency (Hz)
-180
+0
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
Figure 11. FFT performance (-60 dBFS)
20
20k
50
100
200
500
1k
2k
5k
10k
Fre quency (Hz)
-180
+0
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
TDA7498
Characterization curves
DS6437 - Rev 10
page 9/22



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