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MAX98309/MAX98310

Mono 1.4W Class AB Audio Amplifiers

Typical Operating Characteristics (continued)

(VDD = 3.7V, VGND = 0V, SHDN = VDD, GAIN = GND (RF = RIN = 10kI), CBIAS = 0.1µF, CIN = 1µF, no load, unless otherwise noted.)

OFFSET VOLTAGE

vs. COMMON-MODE VOLTAGE

COMMON-MODE VOLTAGE (V)

4

3

2

1

-4

-3

-2

-1

0

1

2

3

4

5

-5

0

5

VDD = 5V

RL = 8I

OFFSET VOLTAGE

vs. COMMON-MODE VOLTAGE

COMMON-MODE VOLTAGE (V)

3.0

2.5

0.5

1.0

1.5

2.0

-3

-2

-1

0

1

2

3

4

-4

0

3.5

VDD = 3.7V

RL = 8I

OUTPUT POWER vs. SUPPLY VOLTAGE

SUPPLY VOLATGE (V)

5.0

4.5

4.0

3.5

3.0

500

1000

1500

2000

2500

0

2.5

5.5

fIN = 1kHz

RL = 8I

THD+N = 10%

THD+N = 10%

LOAD RESISTANCE (I)

100

10

1

1k

OUTPUT POWER vs. LOAD

0.5

1.0

1.5

2.0

2.5

3.0

0

THD+N = 1%

THD+N = 10%

THERMALLY

LIMITED

VDD = 5V

fIN = 1kHz

ZLOAD = LOAD + 68µH

OUTPUT POWER vs. SUPPLY VOLTAGE

SUPPLY VOLATGE (V)

5.0

4.5

4.0

3.5

3.0

500

1000

1500

2000

2500

THD+N = 10%

THD+N = 1%

THERMALLY

LIMITED

3000

3500

0

2.5

5.5

fIN = 1kHz

RL = 4I

OUTPUT POWER vs. LOAD

LOAD RESISTANCE (I)

100

10

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

0

1

1k

VDD = 3.7V

fIN = 1kHz

ZLOAD = LOAD + 68µH

THD+N = 10%

THD+N = 1%