MAX9760 datasheet(3/31 Pages) MAXIM

Part #	MAX9760

Description	Stereo 3W Audio Power Amplifiers with Headphone Drive and Input Mux

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Manufacturer	MAXIM [Maxim Integrated Products]

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Stereo 3W Audio Power Amplifiers with

Headphone Drive and Input Mux

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VDD = PVDD = 5.0V, GND = PGND = 0V, SHDN = 5V, CBIAS = 1µF, RIN = RF = 15k

Ω, RL = ∞. TA = TMIN to TMAX, unless otherwise

noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

OUTPUT AMPLIFIERS (HEADPHONE MODE, HPS = VDD)

VDD = 4.5V to 5.5V

75

106

f = 1kHz, VRIPPLE =

200mVP-P

88

Power-Supply Rejection Ratio

PSRR

(Note 2)

f = 20kHz, VRIPPLE =

200mVP-P

76

dB

RL = 32

Ω

88

Output Power

POUT

fIN = 1kHz, THD+N <

1%, TA = +25°C

RL = 16

Ω

120

200

mW

POUT = 60mW,

RL = 32

Ω

0.002

Total Harmonic Distortion Plus

Noise

THD+N

fIN = 1kHz, BW =

22Hz to 22kHz

POUT = 125mW,

RL = 16

Ω

0.002

%

Signal-to-Noise Ratio

SNR

RL = 32

Ω, BW = 22Hz to 22kHz,

VOUT = 1VRMS

92

dB

Slew Rate

SR

1.8

V/µs

Maximum Capacitive Load Drive

CL

No sustained oscillations

2

nF

Crosstalk

fIN = 10kHz

78

dB

STANDBY SUPPLY (SVDD) (Note 3)

VBIAS = 1.25V, VDD = 0V

425

750

SVDD Current

ISVDD

VBIAS = 2.5V, VDD = 5V

15

µA

BIAS VOLTAGE (BIAS)

BIAS Voltage

VBIAS

2.35

2.5

2.65

V

Output Resistance

RBIAS

50

k

Ω

DIGITAL INPUTS (MUTE, SHDN, HPS_EN, GAINA/B, IN1

1

1/2)

Input Voltage High

VIH

2V

Input Voltage Low

VIL

0.8

V

Input Leakage Current

IIN

±1µA

HEADPHONE SENSE INPUT (HPS)

Input Voltage High

VIH

0.9 x

VDD

V

Input Voltage Low

VIL

0.7 x

VDD

V

Input Leakage Current

IIN

±1µA

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