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TS4990(2011) データシートの表示（PDF） - STMicroelectronics

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TS4990
(Rev.:2011)
1.2 W audio power amplifier with active-low standby mode
ST-Microelectronics
STMicroelectronics ST-Microelectronics
TS4990 Datasheet PDF : 33 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TS4990
Electrical characteristics
Figure 8. PSRR vs. power supply
Figure 9. PSRR vs. power supply
0
Vripple = 200mVpp
-10 Av = 2
Input = Grounded
-20 Cb = Cin = 1μF
RL >= 4Ω
-30 Tamb = 25°C
-40
-50
Vcc :
2.2V
2.6V
3.3V
5V
-60
-70
100
1000
10000
Frequency (Hz)
100000
0
Vripple = 200mVpp
-10 Av = 10
Input = Grounded
Cb = Cin = 1μF
-20 RL >= 4Ω
Tamb = 25°C
-30
Vcc :
2.2V
2.6V
3.3V
5V
-40
-50
100
1000
10000
Frequency (Hz)
100000
Figure 10. PSRR vs. power supply
Figure 11. PSRR vs. power supply
0
-10 Vripple = 200mVpp
Rfeed = 22kΩ
-20 Input = Floating
Cb = 1μF
-30 RL >= 4Ω
Tamb = 25°C
-40
Vcc = 2.2, 2.6, 3.3, 5V
-50
-60
-70
-80
100
1000
10000
Frequency (Hz)
100000
0
Vripple = 200mVpp
-10 Av = 5
Input = Grounded
-20 Cb = Cin = 1μF
RL >= 4Ω
Tamb = 25°C
-30
Vcc :
2.2V
2.6V
3.3V
5V
-40
-50
-60
100
1000
10000
Frequency (Hz)
100000
Figure 12. PSRR vs. power supply
Figure 13. PSRR vs. power supply
0
Vripple = 200mVpp
-10
Av = 2
Input = Grounded
-20
Cb = 0.1μF, Cin = 1μF
RL >= 4Ω
Tamb = 25°C
-30
-40
Vcc = 5, 3.3, 2.5 & 2.2V
-50
-60
100
1000
10000
Frequency (Hz)
100000
0
-10 Vripple = 200mVpp
Rfeed = 22kΩ
-20 Input = Floating
Cb = 0.1μF
-30 RL >= 4Ω
Tamb = 25°C
-40
Vcc = 2.2, 2.6, 3.3, 5V
-50
-60
-70
-80
100
1000
10000
Frequency (Hz)
100000
Doc ID 9309 Rev 13
9/33

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