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

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

Note 3: All specifications are 100% tested at TA = +25°C.

Note 4: Quiescent power-supply current is specified and tested with no load on the outputs. Quiescent power-supply current

depends on the offset voltage when a practical load is connected to the amplifier.

Note 5: Guaranteed by design, not production tested.

Note 6: Common-mode bias voltage is the voltage on BIAS and is nominally VCC/2.

Note 7: Maximum differential-output offset voltage is tested in a unity-gain configuration. VOS = VOUT+ - VOUT-.

Note 8: Output power is specified by a combination of a functional output-current test, and characterization analysis.

Note 9: Measurement bandwidth for THD+N is 22Hz to 22kHz.

Note 10: Extended short-circuit conditions result in a pulsed output.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Total Harmonic Distortion Plus

Noise

THD+N

AV = -2V/V, RL = 8Ω,

fIN = 1kHz (Notes 5, 9)

MAX4364,

POUT = 1W

0.04

%

MAX4365,

POUT = 750mW

0.1

Noise

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

12

µVRMS

Short-Circuit Current

ISC

OUT+ to OUT- (Note 10)

600

mA

Thermal Shutdown Threshold

160

o

C

Thermal Shutdown Hysteresis

15

o

C

Power-Up Time

tPU

TA = +25°C

50

ms

CBIAS = 0.22µF, TA = -40°C to +85°C

(Note 5)

14

35

Shutdown Time

tSHDN

10

µs

Enable Time from Shutdown

tENABLE

TA = +25°C

50

ms

CBIAS = 0.22µF, TA = -40°C to +85°C

(Note 5)

12

35

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current

ICC

(Note 4)

MAX4364

6

mA

MAX4365

4.5

Shutdown Supply Current

ISHDN

VSHDN = VCC

10

nA

Output Power

POUT

RL = 8Ω, THD+N =

1%, fIN = 1kHz

(Note 8)

MAX4364

400

500

mW

MAX4365

350

450

Total Harmonic Distortion Plus

Noise

THD + N AV = -2V/V, RL = 8Ω,

fIN = 1kHz (Notes 5, 9)

MAX4364,

POUT = 400mW

0.05

%

MAX4365,

POUT = 400mW

0.08

Electrical Characteristics—3V

Electrical Characteristics—5V (continued)

MAX4364/MAX4365

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

Amplifiers with Shutdown

www.maximintegrated.com

Maxim Integrated │ 3