MAX4364ESA datasheet(3/15 Pages) MAXIM

3 / 15 page

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

Amplifiers with Shutdown

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS—3V

(VCC = 3V, RL =

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX4364

Supply Current

ICC

(Note 3)

MAX4365

4.5

Shutdown Supply Current

ISHDN

SHDN = VCC

MAX4364

400

500

Output Power

POUT

RL = 8

Ω, THD + N =

1%, fIN = 1kHz

(Note 6)

MAX4365

350

450

MAX4364,

POUT = 400mW

0.05

Total Harmonic Distortion Plus

Noise

THD + N

AV = -2V/V, RL = 8

Ω,

fIN = 1kHz (Notes 7, 8) MAX4365,

POUT = 400mW

0.08

Note 2: All specifications are 100% tested at TA = +25°C.

Note 3: 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 4: Common-mode bias voltage is the voltage on BIAS and is nominally VCC/2.

Note 5: Maximum differential-output offset voltage is tested in a unity-gain configuration. VOS = VOUT+ - VOUT-.

Note 6: Output power is specified by a combination of a functional output-current test, and characterization analysis.

Note 7: Guaranteed by design, not production tested.

Note 8: Measurement bandwidth for THD + N is 22Hz to 22kHz.

Note 9: Extended short-circuit conditions result in a pulsed output.

Typical Operating Characteristics

(VCC = 5V, THD + N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)

MAX4364

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

FREQUENCY (Hz)

100

0.1

0.01

10k

VCC = 5V

AV = 2V/V

RL = 8

Ω

0.25W

0.5W

FREQUENCY (Hz)

100

0.1

0.01

10k

VCC = 5V

AV = 4V/V

RL = 8

Ω

0.25W

0.5W

MAX4364

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

FREQUENCY (Hz)

100

0.1

0.01

10k

VCC = 5V

AV = 20V/V

RL = 8

Ω

0.25W

0.5W

MAX4364

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

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