TS4984FC データシートの表示（PDF） - STMicroelectronics

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TS4984FC

1.2W Stereo Audio Power Amplifier with Active Low Standby Mode

STMicroelectronics 

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)

10/30

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