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TDA7491P 数据表(PDF) 16 Page - STMicroelectronics

部件名 TDA7491P
功能描述  2 x 10-watt dual BTL class-D audio amplifier
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7491P 数据表(HTML) 16 Page - STMicroelectronics

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Characterization curves
TDA7491P
16/42
Doc ID 13540 Rev 6
Figure 10.
FFT (0 dB)
Figure 11.
FFT (-60 dB)
Figure 12.
Power supply rejection ratio 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 =10V,
RL= 4 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 =10V,
RL= 4 ohm,
Rosc = 39k
Ω, Cosc = 100nF,
f = 1kHz,
Gv=30dB,
Po= -60dB (@ 1W =0dB)
Tamb=25
℃
Test Condition:
Vcc =10V,
RL= 4 ohm,
Rosc = 39k
Ω, Cosc = 100nF,
Vin=0,
Gv=30dB,
0dB refers to 500mV, 100Hz,
Tamb=25
℃
4 ohm 10 v PSRR.at27
-100
+0
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Ripple frequency=100Hz
Ripple voltage=500mV



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