(MAX9736A, VPVDD = 12V, MOD = high, spread-spectrum modulation mode, VGND = VPGND = 0V, VSHDN = VMUTE = 5V, unless

otherwise noted.)

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. OUTPUT POWER

OUTPUT POWER (W)

16

14

12

10

8

6

4

2

0.01

0.1

1

10

0.001

0

18

VPVDD = 24V,

SPREAD SPECTRUM,

8Ω LOAD

6kHz

1kHz

20Hz

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. OUTPUT POWER

OUTPUT POWER (W)

14

12

10

8

6

4

2

0

16

VPVDD = 12V,

FIXED FREQUENCY,

4Ω LOAD

6kHz

1kHz

20Hz

0.01

0.1

1

10

0.001

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. OUTPUT POWER

OUTPUT POWER (W)

15

12

9

6

3

0.01

0.1

1

10

0.001

0

18

6kHz

1kHz

20Hz

VPVDD = 12V,

SPREAD SPECTRUM,

4Ω LOAD

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc13

TOTAL OUTPUT POWER (W)

15

10

5

10

20

30

40

50

60

70

80

90

100

0

1

2

3

4

5

6

7

8

9

10

0

0

20

EFFICIENCY

POWER DISSIPATION

VPVDD = 12V,

FIXED FREQUENCY,

8Ω LOAD

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc14

TOTAL OUTPUT POWER (W)

18

16

12 14

4 6 8 10

2

0

20

10

20

30

40

50

60

70

80

90

100

0

EFFICIENCY

POWER DISSIPATION

VPVDD = 12V,

SPREAD SPECTRUM,

8Ω LOAD

1

2

3

4

5

6

7

8

9

10

0

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc15

TOTAL OUTPUT POWER (W)

30

25

15

20

10

5

0

35

10

20

30

40

50

60

70

80

90

100

0

EFFICIENCY

POWER DISSIPATION

VPVDD = 18V,

SPREAD SPECTRUM,

8Ω LOAD

1

2

3

4

5

6

7

8

9

10

0

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc16

TOTAL OUTPUT POWER (W)

30

25

15

20

10

5

0

35

10

20

30

40

50

60

70

80

90

100

0

EFFICIENCY

POWER DISSIPATION

VPVDD = 18V,

FIXED FREQUENCY,

8Ω LOAD

1

2

3

4

5

6

7

8

9

10

0

Maxim Integrated │ 7

www.maximintegrated.com

MAX9736

Mono/Stereo High-Power Class D Amplifier

Typical Operating Characteristics (continued)