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TDA7491HV Datasheet(PDF) 27 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) 27 Page - STMicroelectronics

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Figure 42. Power supply rejection ratio vs. frequency
8ohm 18v 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
Test Condition:
Vcc =18V,
RL= 8 ohm,
Rosc =39k , Cosc =100nF,
Vin=0,
Gv =30dB,
Tamb =25
0dB refers to 500mV, 100Hz
Ripple frequency=100Hz
Ripple voltage=500mV
Figure 43. Power dissipation and efficiency vs. output power
Test Condition:
Vcc =18V,
RL= 8 ohm,
Rosc =39k , Cosc =100nF,
f=1kHz,
Gv =30dB,
Tamb =25
Vcc=18V
Rload=8ohm
Gain=30dB
f=1kHz
Output power per channel (W)
TDA7491HV
8 Ω loads at VCC = 18 V
DS5624 - Rev 10
page 27/50



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