0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUTPUT POWER (W)

VDD = 5.0V

VDD = 2.5V

VDD = 3.6V

0.00

0.10

0.25

0.30

0.35

0.40

0.45

0.50

0.0

1.0

2.0

3.0

5.0

4.0

OUTPUT POWER (W)

0.05

0.20

0.15

VDD = 5.0V

VDD = 3.6V

VDD = 2.5V

-100

0

-90

-80

-70

-60

-50

-40

-30

-20

-10

20

20k

100 200

1k 2k

10k

FREQUENCY (Hz)

0

10

20

30

40

50

60

70

80

90

100

0

OUTPUT POWER (W)

0.2

0.4

0.6

0.8

1.0

1.2

VDD = 5.0V

VDD = 3.6V

VDD = 2.5V

LM48411

www.ti.com

SNAS399G – SEPTEMBER 2007 – REVISED MAY 2013

Typical Performance Characteristics (continued)

The performance graphs were taken using the Audio Precision AUX-0025 Switching Amplifier measurement Filter in series

with the LC filter on the demo board.

Efficiency vs Output Power

Crosstalk vs Frequency

RL = 8Ω

VDD = 3.6V, RL = 8Ω

Figure 28.

Figure 29.

Power Dissipation vs Output Power

Power Dissipation vs Output Power

RL = 4Ω

RL = 8Ω

Figure 30.

Figure 31.

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