TS4985 datasheet(11/29 Pages) STMICROELECTRONICS

Part #	TS4985

Description	2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins

PDF	29 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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11 / 29 page

TS4985

Electrical Characteristics

11/29

Figure 20. Power supply rejection ratio (PSRR)

vs. DC output voltage

Figure 21. Power supply rejection ratio (PSRR)

vs. DC output voltage

Figure 22. Power supply rejection ratio (PSRR)

vs. DC output voltage

Figure 23. Power supply rejection ratio (PSRR)

at f=217Hz vs. bypass capacitor

Figure 24. Output power vs. power supply

voltage

Figure 25. Output power vs. power supply

voltage

-5

-4

-3

-2

-1

012345

-70

-60

-50

-40

-30

-20

-10

Vcc = 5V

Vripple = 200mVpp

RL = 8

Ω

Cb = 1

µF

AV = 2

Tamb = 25

°C

Differential DC Output Voltage (V)

-5

-4

-3

-2

-1

012345

-60

-50

-40

-30

-20

-10

Vcc = 5V

Vripple = 200mVpp

RL = 8

Ω

Cb = 1

µF

AV = 5

Tamb = 25

°C

Differential DC Output Voltage (V)

-5

-4

-3

-2

-1

012345

-50

-40

-30

-20

-10

Vcc = 5V

Vripple = 200mVpp

RL = 8

Ω

Cb = 1

µF

AV = 10

Tamb = 25

°C

Differential DC Output Voltage (V)

0.1

-80

-70

-60

-50

-40

-30

Av=10

Vcc:

2.6V

3.3V

Av=5

Vcc:

2.6V

3.3V

Av=2

Vcc:

2.6V

3.3V

Tamb=25

°C

Bypass Capacitor Cb ( F)

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