MAX9705BEBC+T datasheet(6/18 Pages) MAXIM

Part #	MAX9705BEBC+T

Description	2.3W, Ultra-Low-EMI, Filterless, Class D Audio Amplifier

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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6 / 18 page

-140

-120

-100

-80

-60

-40

-20

0

20

0

5

10

15

20

SPREAD-SPECTRUM-MODE OUTPUT

SPECTRUM vs. FREQUENCY

FREQUENCY (kHz)

RL = 8

Ω

VDD = 5.0V

fIN = 1kHz

A-WEIGHTED

2.3W, Ultra-Low-EMI, Filterless,

Class D Audio Amplifier

6

_______________________________________________________________________________________

0

0.6

0.4

0.2

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.5

3.5

3.0

4.0

4.5

5.0

5.5

OUTPUT POWER

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

fIN = 1kHz

RL = 8

Ω

THD+N = 1%

THD+N = 10%

0

1.5

1.0

0.5

2.0

2.5

3.0

3.5

2.5

3.5

3.0

4.0

4.5

5.0

5.5

OUTPUT POWER

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

fIN = 1kHz

RL = 4

Ω

THD+N = 1%

THD+N = 10%

4.0

0

1

100

1000

OUTPUT POWER

vs. LOAD RESISTANCE

1.5

1.0

3.0

2.0

3.5

0.5

2.5

LOAD RESISTANCE (

Ω)

10

fIN = 1kHz

ZLOAD = 33

µH IN

SERIES WITH RL

THD+N = 1%

3.3V

5.0V

0

-10

-100

10

100

10k

100k

POWER-SUPPLY REJECTION

RATIO vs. FREQUENCY

-90

-50

-70

-80

-40

-60

-20

-30

FREQUENCY (Hz)

1k

VDD = 3.3V

VIN = 200mVP-P

RL = 8

Ω

-140

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-100

-80

-60

-40

-20

0

20

0

5

10

15

20

FIXED-FREQUENCY-MODE OUTPUT

SPECTRUM vs. FREQUENCY

FREQUENCY (kHz)

RL = 8

Ω

VDD = 5.0V

fIN = 1kHz

BW = 22Hz to 22kHz

-140

-120

-100

-80

-60

-40

-20

0

20

0

5

10

15

20

SPREAD-SPECTRUM-MODE OUTPUT

SPECTRUM vs. FREQUENCY

FREQUENCY (kHz)

RL = 8

Ω

VDD = 5.0V

fIN = 1kHz

BW = 22Hz to 22kHz

Typical Operating Characteristics (continued)

(VDD = 3.3V, SYNC = VDD (SSM), differential input, TA = +25°C, unless otherwise noted. Typical Operating Characteristics for 4Ω

load condition apply to the MAX9705_ETB+T only.)

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