MAX9765 datasheet(7/32 Pages) MAXIM

Part #	MAX9765

Description	750mW Audio Amplifiers with Headphone Amp, Microphone Preamp, and Input Mux

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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750mW Audio Amplifiers with Headphone Amp,

Microphone Preamp, and Input Mux

_______________________________________________________________________________________

7

Typical Operating Characteristics (continued)

(VDD = PVDD = 5V, BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (SPEAKER MODE)

OUTPUT POWER (W)

0.6

0.4

0.2

0.01

10

1

0.1

100

0.001

0

0.8

VDD = 5V

RL =4

Ω

AV = 4V/V

f = 20Hz

f = 1kHz

f = 10kHz

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (SPEAKER MODE)

OUTPUT POWER (W)

0.75

0.50

0.25

0.01

10

1

0.1

100

0.001

0

1.00

VDD = 3V

RL = 4

Ω

AV = 2V/V

f = 20Hz

f = 1kHz

f = 10kHz

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (SPEAKER MODE)

OUTPUT POWER (W)

0.75

0.50

0.25

0.01

10

1

0.1

100

0.001

01.00

VDD = 3V

RL = 4

Ω

AV = 4V/V

f = 20Hz

f = 1kHz

f = 10kHz

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (SPEAKER MODE)

OUTPUT POWER (W)

0.6

0.4

0.2

0.01

10

1

0.1

100

0.001

0

0.8

VDD = 5V

RL = 8

Ω

AV = 2V/V

f = 20Hz

f = 1kHz

f = 10kHz

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (SPEAKER MODE)

OUTPUT POWER (W)

0.6

0.4

0.2

0.01

10

1

0.1

100

0.001

00.8

VDD = 5V

RL = 8

Ω

AV = 4V/V

f = 20Hz

f = 1kHz

f = 10kHz

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (SPEAKER MODE)

OUTPUT POWER (W)

0.5

0.6

0.4

0.3

0.2

0.1

0.01

10

1

0.1

100

0.001

0

0.7

VDD = 3V

RL = 8

Ω

AV = 2V/V

f = 20Hz

f = 1kHz

f = 10kHz

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (SPEAKER MODE)

OUTPUT POWER (W)

0.5

0.6

0.4

0.3

0.2

0.1

0.01

10

1

0.1

100

0.001

00.7

VDD = 3V

RL = 8

Ω

AV = 4V/V

f = 20Hz

f = 1kHz

f = 10kHz

OUTPUT POWER vs. LOAD RESISTANCE

(SPEAKER MODE)

LOAD RESISTANCE (

Ω)

1k

100

10

200

1000

600

800

400

1200

0

010k

VCC = 5V

THD+N = 10%

THD+N = 1%

OUTPUT POWER vs. LOAD RESISTANCE

(SPEAKER MODE)

LOAD RESISTANCE (

Ω)

1k

100

10

100

200

800

900

500

600

700

300

400

1000

0

010k

VCC = 3V

THD+N = 10%

THD+N = 1%

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