MAX4364_11 datasheet(2/14 Pages) MAXIM

Part #	MAX4364

Description	1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown

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Manufacturer	MAXIM [Maxim Integrated Products]

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

Amplifiers with Shutdown

2

_______________________________________________________________________________________

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 4.8mW/°C above +70°C) ..............388mW

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

8-Pin SO (derate 7.8mW/°C above +70°C)...................623mW

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

Soldering Temperature (reflow) .......................................+260°C

ELECTRICAL CHARACTERISTICS—5V

(VCC = 5V, RL = ∞, CBIAS = 1µF to GND, VSHDN = VGND, TA = +25°C, unless otherwise noted.) (Note 3)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage Range

VCC

Inferred from PSRR test

2.7

5.5

V

MAX4364

7

13

MAX4364, TA = TMIN to TMAX

17

MAX4365

5

8

Supply Current

ICC

(Note 4)

MAX4365, TA = TMIN to TMAX

11

mA

Shutdown Supply Current

ISHDN

VSHDN = VCC

0.01

4

µA

TA = +25°C

VCC x

0.7

VIH

TA = -40°C to +85°C

(Note 5)

VCC x

0.7

TA = +25°C

VCC x

0.3

SHDN Threshold

VIL

TA = -40°C to +85°C

(Note 5)

VCC x

0.3

V

Common-Mode Bias Voltage

VBIAS

(Note 6)

VCC/2 -

5%

VCC/2

+ 5%

V

Output Offset Voltage

VOS

IN- = OUT+, IN+ = BIAS (Note 7)

±1

±10

mV

VCC = 2.7V to 5.5V

DC

55

75

217Hz

68

Power-Supply Rejection Ratio

PSRR

VRIPPLE = 200mVP-P,

RL = 8

Ω

1kHz

58

dB

MAX4364

1200

1400

Output Power

POUT

RL = 8

Ω, THD+N = 1%,

fIN = 1kHz (Note 8)

MAX4365

800

1000

mW

Note 1: Continuous power dissipation must also be observed.

PACKAGE THERMAL CHARACTERISTICS (Note 2)

Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-

layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.

µMAX

Junction-to-Ambient Thermal Resistance (

θJA)......206.3°C/W

Junction-to-Case Thermal Resistance (

θJC)................42°C/W

TDFN

Junction-to-Ambient Thermal Resistance (

θJA)...........41°C/W

Junction-to-Case Thermal Resistance (

θJC)..................8°C/W

SO

Junction-to-Ambient Thermal Resistance (

θJA)......128.4°C/W

Junction-to-Case Thermal Resistance (

θJC)................36°C/W

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