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TDA7491MV 데이터시트(PDF) 13 Page - STMicroelectronics

부품명 TDA7491MV
상세설명  25 W mono BTL class-D audio amplifier
PDF  28 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7491MV 데이터시트(HTML) 13 Page - STMicroelectronics

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TDA7491MV
Characterization curves
28
Figure 8. FFT (0 dB)
Figure 9. FFT (-60 dB)
Figure 10. Closed-loop gain vs. frequency
Frequency (Hz)
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 =18V,
RL= 8 ohm,
Rosc =39k
Ω, Cosc =100nF,
f = 1kHz,
Gv =30dB,
Po =1W
Tamb =25
℃
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 =18V,
RL= 8 ohm,
Rosc =39k
Ω, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po = -60dB (@ 1W =0dB)
Tamb =25
℃
Test Condition :
Vcc = 18V,
RL = 8 ohm,
Rosc =39kO, Cosc =100nF,
0dB@f=1kHz, Po=1w,
Gv=32dB,
Tamb =25℃
TDA7491MV 8ohm Closed-loop gain vs Freq
.at27
-5
+0.
-4.5
-
-3.
-
-2.
-
-1.
-
-0.
-
d
B
r
A
20
30k
50
100
200
500
1k
2k
5k
10k
20k
Hz
Vcc=18V,
Rload=8ohm,
0dB@f=1kHz, Po=1w,
Gv=32dB
Gain=32dB
Gain=22dB
Gain=26dB
Gain=30dB
5
4
5
3
5
2
5
1
5
0



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