MP7731 – 5W – 30W CLASS D MONO BRIDGED AUDIO AMPLIFIER

MP7731 Rev. 1.8

www.MonolithicPower.com

4

9/25/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS

100M

1

10

50

100M

1

10

50

100M

1

10

50

100M

1

10

50

100M

1

10

50

50

20

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

OUTPUT POWER (W)

THD+N vs Output Power

50

20

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

OUTPUT POWER (W)

THD+N vs Output Power

50

20

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

OUTPUT POWER (W)

THD+N vs Output Power

100

90

80

70

60

50

40

30

20

10

0

OUTPUT POWER (W)

Efficiency vs Output Power

40

35

30

25

20

15

10

5

0

0

5

10

15

20

25

5

10

15

20

Output Power vs Supply Voltage

THD=10%

0

-10

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

-130

-140

20

100

1K

10K20K

FREQUENCY (Hz)

FFT Noise Floor

16K FFT

A-wtd

50

20

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

100M

1

10

50

OUTPUT POWER (W)

THD+N vs Output Power

50

20

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

OUTPUT POWER (W)

THD+N vs Output Power

50

20

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

OUTPUT POWER (W)

THD+N vs Output Power