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TS4973IJT Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza
componentes Descripción
Lista de partido
TS4973IJT
1.2W Two Audio Inputs With Gain Control Power Amplifier with Standby Mode Active Low
ST-Microelectronics
STMicroelectronics ST-Microelectronics
TS4973IJT Datasheet PDF : 19 Pages
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TS4973
Electrical Characteristics
Figure 2: Power supply rejection ratio (psrr) vs
power supply
Figure 5: Power supply rejection ratio (PSRR)
vs bypass capacitor
0
Vripple = 200mVpp
-10 Av = 2
Input = Grounded
-20 Cb = Cin = 1µF
RL ≥ 4Ω
Tamb = 25°C
-30
-40
Vcc :
2.8V
3.3V
5V
-50
-60
100
1000
10000
Frequency (Hz)
100000
0
Vripple = 200mVpp
-10 Av = 2, Vcc = 5V
Input = Grounded
-20 Cin = 1µF
RL ≥ 4Ω
-30 Tamb = 25°C
-40
Cb=1µF
-50
Cb=2.2µF
-60
-70
100
Cb=4.7µF
1000
10000
Frequency (Hz)
100000
) Figure 3: Power supply rejection ratio (PSRR)
t(s vs power supply
uc 0
rod Vripple = 200mVpp
-10 Av = 5
P Input = Grounded
-20 Cb = Cin = 1µF
te RL ≥ 4Ω
Tamb = 25°C
le -30
so -40
Vcc :
2.8V
3.3V
5V
b -50
- O -60
t(s) 100
1000
10000
Frequency (Hz)
100000
Figure 6: Power supply rejection ratio (PSRR)
vs bypass capacitor
0
Vripple = 200mVpp
-10 Av = 5, Vcc = 2.8V
Input = Grounded
-20 Cin = 1µF
RL ≥ 4Ω
Tamb = 25°C
-30
Cb=1µF
-40
Cb=2.2µF
-50
-60
100
Cb=4.7µF
1000
10000
Frequency (Hz)
100000
duc Figure 4: Power supply rejection ratio (PSRR)
ro vs power supply
te P 0
Vripple = 200mVpp
ole -10
Av = 10
Input = Grounded
s Cb = Cin = 1µF
Ob -20
RL ≥ 4Ω
Tamb = 25°C
Vcc :
Figure 7: Power supply rejection ratio (PSRR)
vs bypass capacitor
0
Vripple = 200mVpp
-10
Av = 10, Vcc = 3.3V
Input = Grounded
Cin = 1µF, RL ≥ 4Ω
-20
Tamb = 25°C
-30
2.8V
-30
3.3V
5V
Cb=1µF
-40
Cb=2.2µF
-40
-50
-50
100
1000
10000
Frequency (Hz)
100000
-60
100
Cb=4.7µF
1000
10000
Frequency (Hz)
100000
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