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TDA7491HV Datasheet(PDF) 19 Page - STMicroelectronics

Part # TDA7491HV
Description  20 W 20 W dual BTL class-D audio amplifier
PDF  50 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7491HV Datasheet(HTML) 19 Page - STMicroelectronics

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Figure 25. FFT performance (0 dB)
FFT (dB)
-150
+10
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
20
20k
50
100
200
500
1k
2k
5k
10k
Specification Limit:
Typical: >60dB
for the harmonic frequency
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k , Cosc =100nF,
f =1kHz,
Gv =30dB,
Po =1W
Tamb =25
Frequency (Hz)
Figure 26. FFT performance (-60 dB)
Frequency (Hz)
FFT (dB)
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
20
20k
50
100
200
500
1k
2k
5k
10k
Specification Limit:
Typical: > 90dB
for the harmonic frequency
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k , Cosc =100nF,
f =1kHz,
Gv =30dB,
Po = -60dB (@ 1W =0dB)
Tamb =25
TDA7491HV
6 Ω loads at VCC = 16 V
DS5624 - Rev 10
page 19/50



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