TS4962 datasheet(22/46 Pages) STMICROELECTRONICS

Il numero della parte	TS4962

Spiegazioni elettronici	2.8W filter-free mono class D audio power amplifier

PDF	46 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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Electrical characteristics

TS4962

22/46

Figure 4.

Current consumption vs. power

supply voltage

Figure 5.

Current consumption vs. standby

voltage

012

345

0.0

0.5

1.0

1.5

2.0

2.5

No load

Tamb=25

°C

Power Supply Voltage (V)

012

345

0.0

0.5

1.0

1.5

2.0

2.5

Vcc = 5V

No load

Tamb=25

°C

Standby Voltage (V)

Figure 6.

Current consumption vs. standby

voltage

Figure 7.

Output offset voltage vs. common

mode input voltage

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0.0

0.5

1.0

1.5

2.0

Vcc = 3V

No load

Tamb=25

°C

Standby Voltage (V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

Vcc=3.6V

Vcc=2.5V

Vcc=5V

G = 6dB

Tamb = 25

°C

Common Mode Input Voltage (V)

Figure 8.

Efficiency vs. output power

Figure 9.

Efficiency vs. output power

0.0

0.5

1.0

1.5

2.0

100

200

300

400

500

600

Vcc=5V

RL=4

Ω + ≥ 15μH

F=1kHz

THD+N

≤1%

Power

Dissipation

Efficiency

Output Power (W)

2.2

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

100

150

200

Vcc=3V

RL=4

Ω + ≥ 15μH

F=1kHz

THD+N

≤1%

Power

Dissipation

Efficiency

Output Power (W)

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