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MAX98307/MAX98308

3.3W Mono Class DG Multilevel Audio Amplifier

Typical Operating Characteristics (continued)

EFFICIENCY vs. OUTPUT POWER

(MAX98308)

OUTPUT POWER (W)

1.0

0.8

0.6

0.4

0.2

10

20

30

40

50

60

70

80

90

0

0

1.2

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.0

4.5

4.0

3.5

3.0

0.5

1.0

1.5

2.0

2.5

3.0

0

2.5

5.5

EFFICIENCY vs. OUTPUT POWER

(MAX98308)

OUTPUT POWER (W)

10

20

30

40

50

60

70

80

90

0

1.4

1.2

0.8 1.0

0.4 0.6

0.2

0

1.6

SHUTDOWN CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.0

4.5

3.0

3.5

4.0

50

100

150

200

250

300

350

400

0

2.5

5.5

EFFICIENCY vs. OUTPUT POWER

(MAX98308)

OUTPUT POWER (W)

10

20

30

40

50

60

70

80

90

0

2.0

1.5

1.0

0.5

0

2.5

POWER-SUPPLY REJECTION

RATIO vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

-80

-70

-60

-50

-40

-30

-20

-10

0

-90

10

100k