TS4962 datasheet(23/46 Pages) STMICROELECTRONICS

23 / 46 page

TS4962

Electrical characteristics

23/46

Figure 10.

Efficiency vs. output power

Figure 11.

Efficiency vs. output power

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

100

150

Vcc=5V

RL=8

Ω + ≥ 15μH

F=1kHz

THD+N

≤1%

Power

Dissipation

Efficiency

Output Power (W)

0.0

0.1

0.2

0.3

0.4

0.5

100

Vcc=3V

RL=8

Ω + ≥ 15μH

F=1kHz

THD+N

≤1%

Power

Dissipation

Efficiency

Output Power (W)

Figure 12.

Output power vs. power supply

voltage

Figure 13.

Output power vs. power supply

voltage

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

THD+N=10%

RL = 4

Ω + ≥ 15μH

F = 1kHz

BW < 30kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.5

1.0

1.5

2.0

THD+N=10%

RL = 8

Ω + ≥ 15μH

F = 1kHz

BW < 30kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

Figure 14.

PSRR vs. frequency

Figure 15.

PSRR vs. frequency

100

1000

10000

-80

-70

-60

-50

-40

-30

-20

-10

Vcc=5V, 3.6V, 2.5V

20k

Vripple = 200mVpp

Inputs = Grounded

G = 6dB, Cin = 4.7

μF

RL = 4

Ω + 15μH

ΔR/R≤0.1%

Tamb = 25

°C

Frequency (Hz)

100

1000

10000

-80

-70

-60

-50

-40

-30

-20

-10

Vcc=5V, 3.6V, 2.5V

20k

Vripple = 200mVpp

Inputs = Grounded

G = 6dB, Cin = 4.7

μF

RL = 4

Ω + 30μH

ΔR/R≤0.1%

Tamb = 25

°C

Frequency (Hz)

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