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TDA7491HV 데이터시트(PDF) 20 Page - STMicroelectronics

부품명 TDA7491HV
상세설명  20 W 20 W dual BTL class-D audio amplifier
PDF  50 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7491HV 데이터시트(HTML) 20 Page - STMicroelectronics

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Figure 27. Power supply rejection ratio vs. frequency
-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
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k , Cosc =100nF,
Vin=0,
Gv =30dB,
Tamb =25 ,
0dB refers to 500mV, 100Hz
Ripple frequency=100Hz
Ripple voltage=500mV
Figure 28. Power dissipation and efficiency vs. output power
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k , Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25
Vcc=16V
Rload=6ohm
Gain=30dB
f=1kHz
Figure 29. Closed-loop gain vs. frequency
-5
+2
-4.5
-4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
-0
+0.5
+1
+1.5
d
B
r
A
20
30k
50
100
200
500
1k
2k
5k
10k
20k
Hz
Gain=32dB
Gain=22dB
Gain=30dB
Gain=26dB
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k , Cosc =100nF,
0dB@f=1kHz,Po=1w,
Gv=32dB,
Tamb =25
TDA7491HV
6 Ω loads at VCC = 16 V
DS5624 - Rev 10
page 20/50



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