MAX4364ESA datasheet(2/15 Pages) MAXIM

2 / 15 page

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

Amplifiers with Shutdown

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

VCC, OUT_ to GND...................................................-0.3V to +6V

IN+, IN-, BIAS, SHDN to GND....................-0.3V to (VCC + 0.3V)

Output Short Circuit (OUT+ to OUT-) (Note 1)...........Continuous

Continuous Power Dissipation (TA = +70°C)

8-Pin µMAX (derate 4.1mW/°C above +70°C) ..............330mW

8-Pin Thin QFN (derate 24.4mW/°C above +70°C) ....1951mW

8-Pin SO (derate 5.88mW/°C above +70°C).................471mW

Junction Temperature ......................................................+150°C

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

ELECTRICAL CHARACTERISTICS—5V

(VCC = 5V, RL =

∞, CBIAS = 1µF to GND, SHDN = GND, TA = +25°C, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage Range

VCC

Inferred from PSRR test

2.7

5.5

MAX4364

MAX4364, TA = TMIN to TMAX

MAX4365

Supply Current

ICC

(Note 3)

MAX4365, TA = TMIN to TMAX

Shutdown Supply Current

ISHDN

SHDN = VCC

0.01

µA

VIH

VCC x

0.7

SHDN Threshold

VIL

VCC x

0.3

Common-Mode Bias Voltage

VBIAS

(Note 4)

VCC/2 -

VCC/2

+ 5%

Output Offset Voltage

VOS

IN- = OUT+, IN+ = BIAS (Note 5)

±1

±10

VCC = 2.7V to 5.5V

217Hz

Power-Supply Rejection Ratio

PSRR

VRIPPLE = 200mVP-P,

RL = 8

Ω

1kHz

MAX4364

1200

1400

Output Power

POUT

RL = 8

Ω, THD + N = 1%,

fIN = 1kHz (Note 6)

MAX4365

800

1000

MAX4364,

POUT = 1W

0.04

Total Harmonic Distortion Plus

Noise

THD + N

AV = -2V/V, RL = 8

Ω,

fIN = 1kHz (Notes 7, 8)

MAX4365,

POUT = 750mW

0.1

Noise

fIN = 10kHz, BW = 22Hz to 22kHz

µVRMS

Short-Circuit Current

ISC

OUT+ to OUT- (Note 9)

600

Thermal Shutdown Threshold

160

Thermal Shutdown Hysteresis

Power-Up Time

tPU

Shutdown Time

tSHDN

µs

Enable Time from Shutdown

tENABLE

Note 1: Continuous power dissipation must also be observed.

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