TS4985EIJT View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS4985EIJT

2 X 1.2W Stereo Audio Power Amplifier with Dedicated Standby Pins

STMicroelectronics 

TS4985

Electrical Characteristics

Figure 20. Power supply rejection ratio (PSRR) Figure 21. 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 22. Power supply rejection ratio (PSRR) Figure 23. Power supply rejection ratio (PSRR)

vs. DC output voltage

at f=217Hz vs. bypass capacitor

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)

-30

-40

-50

Av=2

-60 Vcc:

2.6V

3.3V

-70 5V

-80

0.1

Av=10

Vcc:

2.6V

3.3V

5V

Av=5

Vcc:

2.6V

3.3V

5V

Tamb=25°C

1

Bypass Capacitor Cb ( F)

Figure 24. Output power vs. power supply

voltage

Figure 25. Output power vs. power supply

voltage

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