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

otherwise noted.)

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc18

TOTAL OUTPUT POWER (W)

25

20

15

10

5

0

3

0

EFFICIENCY

POWER DISSIPATION

10

20

30

40

50

60

70

80

90

100

0

1

2

3

4

5

6

7

8

9

10

0

VPVDD = 24V,

SPREAD SPECTRUM,

8Ω LOAD

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc19

TOTAL OUTPUT POWER (W)

15

10

5

0

20

VPVDD = 12V,

FIXED FREQUENCY,

4Ω LOAD

10

20

30

40

50

60

70

80

90

100

0

1

2

3

4

5

6

7

8

9

10

0

EFFICIENCY

POWER DISSIPATION

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc20

TOTAL OUTPUT POWER (W)

25

20

15

10

5

0

3

0

EFFICIENCY

POWER DISSIPATION

10

20

30

40

50

60

70

80

90

100

0

1

2

3

4

5

6

7

8

9

10

0

VPVDD= 12V,

SPREAD SPECTRUM,

4Ω LOAD

TOTAL OUTPUT POWER vs. VDD

LOAD = 8 , f = 1kHz

SUPPLY VOLTAGE (V)

25

10

20

15

5

10

15

20

25

30

35

40

0

5

30

1% THD+N

10% THD+N

EFFICIENCY

POWER DISSIPATION

VPVDD = 24V,

FIXED FREQUENCY,

8Ω LOAD

10

20

30

40

50

60

70

80

90

100

0

EFFICIENCY

vs. TOTAL OUTPUT POWER

MAX9736 toc17

1

2

3

4

5

6

7

8

9

10

0

TOTAL OUTPUT POWER (W)

25

20

15

10

5

0

3

0

TOTAL OUTPUT POWER vs. LOAD RESISTANCE

VDD = 12V, f = 1kHz, SPREAD SPECTRUM

LOAD RESISTANCE (Ω)

25

10

20

15

2

4

6

8

10

12

14

16

0

5

30

1% THD+N

10% THD+N

TOTAL OUTPUT POWER vs. LOAD RESISTANCE

VDD = 18V, f = 1kHz, SPREAD SPECTRUM

LOAD RESISTANCE (Ω)

25

20

15

10

10

5

15

20

25

30

0

5

30

10% THD+N

1% THD+N

Maxim Integrated │ 8

www.maximintegrated.com

MAX9736

Mono/Stereo High-Power Class D Amplifier

Typical Operating Characteristics (continued)