0

500

1000

1500

2000

SUPPLY VOLTAGE (V)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

THD+N=10%

THD+N=1%

0

10

20

30

40

50

60

70

80

90

100

0

OUTPUT POWER (W)

0.5

1.0

1.5

2.0

2.5

0

500

1000

2500

3000

SUPPLY VOLTAGE (V)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

THD+N=10%

THD+N=1%

1500

2000

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

POWER SUPPLY (V)

0

1

2

3

4

5

6

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

FREQUENCY (Hz)

20

100

1k

10k 20k

-100

0

-90

-80

-70

-60

-50

-40

-30

-20

-10

20

20k

100 200

1k 2k

10k

FREQUENCY (Hz)

LM48411

SNAS399F – SEPTEMBER 2007 – REVISED JULY 2008

www.ti.com

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.

PSRR vs Frequency

CMRR vs Frequency

Figure 22.

Figure 23.

Quiescent Current vs Power Supply

Output Power vs Supply Voltage

Figure 24.

Figure 25.

Output Power vs Supply Voltage

Efficiency vs Output Power

Figure 26.

Figure 27.

10

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