TS4994IST datasheet(8/31 Pages) STMICROELECTRONICS

номер детали	TS4994IST

подробное описание детали	1W Differential Input/Output Audio Power Amplifier with Selectable Standby

PDF	31 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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8 / 31 page

TS4994

Electrical Characteristics

8/31

Figure 9. Power dissipation vs. output power

Figure 10. Power dissipation vs. output power

Figure 11. Output power vs. power

supply voltage

Figure 12. Output power vs. power supply

voltage

Figure 13. Output power vs. load resistance

Figure 14. Power derating curves

0.0

0.1

0.2

0.3

0.4

0.0

0.1

0.2

0.3

RL=8

Ω

Vcc=3.3V

F=1kHz

THD+N<1%

RL=16

Ω

Output Power (W)

0.0

0.1

0.2

0.3

0.00

0.05

0.10

0.15

0.20

RL=8

Ω

Vcc=2.6V

F=1kHz

THD+N<1%

RL=16

Ω

Output Power (W)

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.2

0.4

0.6

0.8

1.0

Ω

Cb = 1

µF

F = 1kHz

BW < 125kHz

Tamb = 25

°C

Ω

Vcc (V)

2.5

3.0

3.5

4.0

4.5

5.0

0.00

0.25

0.50

0.75

1.00

1.25

1.50

Ω

Cb = 1

µF

F = 1kHz

BW < 125kHz

Tamb = 25

°C

Vcc (V)

812

0.0

0.2

0.4

0.6

0.8

1.0

Vcc=4.5V

Vcc=5V

Vcc=2.5V

Vcc=3V

Vcc=4V

Vcc=3.5V

THD+N=1%

Cb = 1 F

F = 1kHz

BW < 125kHz

Tamb = 25

°C

Load Resistance

100

125

0.0

0.5

1.0

1.5

AMR Value

with 4 layers PCB

Ambiant Temperature ( C)

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