MAX9724BEBC+TG45 datasheet(5/19 Pages) MAXIM

Part #	MAX9724BEBC+TG45

Description	60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown

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Manufacturer	MAXIM [Maxim Integrated Products]

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5 / 19 page

60mW, DirectDrive, Stereo Headphone Amplifier

with Low RF Susceptibility and Shutdown

_______________________________________________________________________________________

5

Typical Operating Characteristics (continued)

(VDD = 5V, PGND = SGND = 0V, SHDN = VDD, C1 = C2 = 1µF, RL = ∞, gain = -1.5V/V (RIN = 20kΩ, RF = 30kΩ for the MAX9724A),

THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.)

10

1k

100

10k

100k

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY (UCSP)

FREQUENCY (Hz)

1

0.1

0.001

0.01

VDD = 3V

RL = 16

Ω

POUT = 5mW

POUT = 10mW

10

1k

100

10k

100k

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY (TQFN)

FREQUENCY (Hz)

1

0.1

0.001

0.01

VDD = 3V

RL = 32

Ω

POUT = 8mW

POUT = 15mW

10

1k

100

10k

100k

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY (UCSP)

FREQUENCY (Hz)

1

0.1

0.001

0.01

VDD = 3V

RL = 32

Ω

POUT = 8mW

POUT = 13mW

10

1k

100

10k

100k

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY (TQFN)

FREQUENCY (Hz)

1

0.1

0.001

0.01

VDD = 5V

RL = 16

Ω

POUT = 20mW

POUT = 37mW

10

1k

100

10k

100k

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY (UCSP)

FREQUENCY (Hz)

1

0.1

0.001

0.01

VDD = 5V

RL = 16

Ω

POUT = 20mW

POUT = 32mW

10

1k

100

10k

100k

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY (TQFN)

FREQUENCY (Hz)

1

0.1

0.001

0.01

VDD = 5V

RL = 32

Ω

POUT = 50mW

POUT = 30mW

10

1k

100

10k

100k

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY (UCSP)

FREQUENCY (Hz)

1

0.1

0.001

0.01

VDD = 5V

RL = 32

Ω

POUT = 45mW

POUT = 20mW

0

20

10

40

30

60

50

70

2.5

3.5

4.0

3.0

4.5

5.0

5.5

OUTPUT POWER

vs. SUPPLY VOLTAGE (TQFN)

SUPPLY VOLTAGE (V)

fIN = 1kHz

RL = 16

Ω

1% THD+N

10% THD+N

0

20

10

40

30

60

50

70

2.5

3.5

4.0

3.0

4.5

5.0

5.5

OUTPUT POWER

vs. SUPPLY VOLTAGE (UCSP)

SUPPLY VOLTAGE (V)

fIN = 1kHz

RL = 16

Ω

1% THD+N

10% THD+N

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