TS4994IST datasheet(9/35 Pages) STMICROELECTRONICS

Teilenummer	TS4994IST

Bauteilbeschribung	1W differential input/output audio power amplifier with selectable standby

PDF	35 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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9 / 35 page

TS4994

Electrical characteristics

9/35

Figure 3.

Current consumption vs. power

supply voltage

Figure 4.

Current consumption vs. standby

voltage

012

345

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

No load

Tamb=25

°C

Power Supply Voltage (V)

012

345

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Standby mode=0V

Standby mode=5V

Vcc = 5V

No load

Tamb=25

°C

Standby Voltage (V)

Figure 5.

Current consumption vs. power

supply voltage

Figure 6.

Current consumption vs. standby

voltage

0.0

0.6

1.2

1.8

2.4

3.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Standby mode=0V

Standby mode=3.3V

Vcc = 3.3V

No load

Tamb=25

°C

Standby Voltage (V)

0.0

0.6

1.2

1.8

2.4

0.0

0.5

1.0

1.5

2.0

2.5

3.0

Standby mode=0V

Standby mode=2.6V

Vcc = 2.6V

No load

Tamb=25

°C

Standby Voltage (V)

Figure 7.

Differential DC output voltage vs.

common mode input voltage

Figure 8.

Power dissipation vs. output power

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0.01

0.1

100

1000

Vcc=3.3V

Vcc=2.5V

Vcc=5V

Av = 1

Tamb = 25

°C

Common Mode Input Voltage (V)

0.0

0.2

0.4

0.6

0.8

1.0

0.0

0.2

0.4

0.6

RL=16

RL=8

Vcc=5V

F=1kHz

THD+N<1%

Output Power (W)

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