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TDA7491LP 数据表(PDF) 22 Page - STMicroelectronics

部件名 TDA7491LP
功能描述  2 x 5-watt dual BTL class-D audio amplifier
PDF  37 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7491LP 数据表(HTML) 22 Page - STMicroelectronics

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Characterization curves
TDA7491LP
22/37
Doc ID 13541 Rev 5
Figure 22.
FFT (0 dB)
Figure 23.
FFT (-60 dB)
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 =9V,
RL= 8 ohm,
Rosc =39k
Ω, Cosc =100nF,
f = 1kHz,
Gv =30dB,
Po =1W
Tamb =25°C
FFT (0 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 =9V,
RL= 8 ohm,
Rosc =39k
Ω, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po = -60dB (@ 1W =0dB)
Tamb =25°C
FFT (-60 dB)



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