TS4984FC Datasheet, PDF (10/30 Pages) STMicroelectronics – 1.2W Stereo Audio Power Amplifier with Active Low Standby Mode

Electrical Characteristics
TS4984FC
Figure 14. Power supply rejection ratio (PSRR) Figure 15. Power supply rejection ratio (PSRR)
vs. DC output voltage
vs. DC output voltage
0
Vcc = 5V
-10
Vripple = 200mVpp
RL = 8Ω
-20
Cb = 1µF
AV = 2
-30
Tamb = 25°C
-40
-50
-60
-70
-5 -4 -3 -2 -1 0 1 2 3 4 5
Differential DC Output Voltage (V)
0
Vcc = 5V
-10
Vripple = 200mVpp
RL = 8Ω
Cb = 1µF
-20
AV = 5
Tamb = 25°C
-30
-40
-50
-60
-5 -4 -3 -2 -1 0 1 2 3 4 5
Differential DC Output Voltage (V)
Figure 16. Power supply rejection ratio (PSRR) Figure 17. Power supply rejection ratio (PSRR)
vs. DC output voltage
vs. DC output voltage
0
Vcc = 5V
Vripple = 200mVpp
-10
RL = 8Ω
Cb = 1µF
AV = 10
-20
Tamb = 25°C
-30
-40
-50
-5 -4 -3 -2 -1 0 1 2 3 4 5
Differential DC Output Voltage (V)
0
Vcc = 3.3V
-10
Vripple = 200mVpp
RL = 8Ω
-20
Cb = 1µF
AV = 2
-30
Tamb = 25°C
-40
-50
-60
-70
-3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
Differential DC Output Voltage (V)
Figure 18. Power supply rejection ratio (PSRR) Figure 19. Power supply rejection ratio (PSRR)
vs. DC output voltage
vs. DC output voltage
0
Vcc = 3.3V
-10
Vripple = 200mVpp
RL = 8Ω
Cb = 1µF
-20
AV = 5
Tamb = 25°C
-30
-40
-50
-60
-3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
Differential DC Output Voltage (V)
0
Vcc = 3.3V
Vripple = 200mVpp
-10
RL = 8Ω
Cb = 1µF
AV = 10
-20
Tamb = 25°C
-30
-40
-50
-3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
Differential DC Output Voltage (V)
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