(VCC = 5V, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics (continued)

OUTPUT POWER (mW)

725

600

500

400

325

250

200

125

0.01

0.1

1

10

100

0.001

0

800 1000

VCC = 3V

AV = 2V/V

RL = 8Ω

20kHz

20Hz

1kHz

MAX4365

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. OUTPUT POWER

OUTPUT POWER (mW)

725

600

500

400

325

250

200

125

0.01

0.1

1

10

100

0.001

0

850 1000

VCC = 3V

AV = 4V/V

RL = 8Ω

20kHz

20Hz

1kHz

MAX4365

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. OUTPUT POWER

MAX4365

OUTPUT POWER vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

4.8

4.1

3.4

500

1000

1500

2000

2500

0

2.7

5.5

RL = 8Ω

fIN = 1kHz

1% THD+N

10% THD+N

MAX4365

OUTPUT POWER vs. LOAD RESISTANCE

LOAD RESISTANCE (Ω)

30

20

10

200

400

600

800

1000

1200

0

0

50

40

VCC = 5V

fIN = 1kHz

MAX4365

OUTPUT POWER vs. LOAD RESISTANCE

LOAD RESISTANCE (Ω)

30

20

10

400

600

800

1000

1200

0

0

50

10% THD+N

1% THD+N

40

VCC = 3V

fIN = 1kHz

200

MAX4365

POWER DISSIPATION vs. OUTPUT POWER

OUTPUT POWER (mW)

900

600

300

200

400

600

800

0

0

1500

1200

VCC = 5V

RL = 8Ω

fIN = 1kHz

MAX4365

POWER DISSIPATION vs. OUTPUT POWER

OUTPUT POWER (mW)

300

200

100

50

100

150

200

250

0

0

500

400

VCC = 3V

RL = 8Ω

fIN = 1kHz

MAX4365

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

4.1

3.4

4

5

6

7

3

2.7

5.5

4.8

MAX4365

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

35

10

-15

4

5

6

7

3

-40

85

60

VCC = 5V

MAX4364/MAX4365

1.4W and 1W, Ultra-Small, Audio Power

Amplifiers with Shutdown

Maxim Integrated │ 7

www.maximintegrated.com