TS4990 datasheet(12/32 Pages) STMICROELECTRONICS

12 / 32 page

Electrical characteristics

TS4990

12/32

Figure 26.

Output power vs. power supply

voltage

Figure 27.

Output power vs. load resistor

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.2

0.4

0.6

0.8

1.0

1.2

THD+N=10%

RL = 16

F = 1kHz

BW < 125kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

THD+N=10%

Vcc = 5V

F = 1kHz

BW < 125kHz

Tamb = 25

°C

THD+N=1%

Load Resistance ( )

Figure 28.

Output power vs. load resistor

Figure 29.

Output power vs. power supply

voltage

0.0

0.1

0.2

0.3

0.4

0.5

0.6

THD+N=10%

Vcc = 2.6V

F = 1kHz

BW < 125kHz

Tamb = 25

°C

THD+N=1%

Load Resistance ( )

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.1

0.2

0.3

0.4

0.5

0.6

THD+N=10%

RL = 32

F = 1kHz

BW < 125kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

Figure 30.

Output power vs. load resistor

Figure 31.

Power dissipation vs. Pout

162432

0.0

0.2

0.4

0.6

0.8

1.0

THD+N=10%

Vcc = 3.3V

F = 1kHz

BW < 125kHz

Tamb = 25

°C

THD+N=1%

Load Resistance ( )

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

RL=16

RL=8

Vcc=5V

F=1kHz

THD+N<1%

RL=4

Output Power (W)

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