MAX9710EUE datasheet(2/15 Pages) MAXIM

Part #	MAX9710EUE

Description	3W Mono/Stereo BTL Audio Power Amplifiers with Shutdown

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Manufacturer	MAXIM [Maxim Integrated Products]

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3W Mono/Stereo BTL Audio Power Amplifiers

with Shutdown

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

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

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

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

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.

Note 1: All devices are 100% production tested at +25°C. All temperature limits are guaranteed by design.

Note 2: PSSR is specified with the amplifier inputs connected to GND through RIN and CIN.

VDD to GND, PGND ...............................................................+6V

PVDD to VDD .......................................................................±0.3V

PGND to GND.....................................................................±0.3V

All Other Pins to GND.................................-0.3V to (VDD + 0.3V)

Continuous Input Current (into any pin

except power supply and output pins).........................±20mA

Continuous Power Dissipation (TA = +70°C)

12-Pin Thin QFN (derate 16.9mW/°C above +70°C) ....1349mW

16-Pin TSSOP-EP (derate 21.3mW/°C above +70°C)...1702mW

20-Pin Thin QFN (derate 20.8mW/°C above +70°C) ....1667mW

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

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

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage Range

VDD/PVDD Inferred from PSRR test

4.5

5.5

V

MAX9710

12

30

Quiescent Supply Current

(IVDD + IPVDD)

IDD

MAX9711

7

17

mA

Shutdown Supply Current

ISHDN

SHDN = GND

0.5

30

µA

CBIAS = 1µF (10% of final value)

300

Turn-On Time

tON

CBIAS = 0.1µF (10% of final value)

30

ms

Thermal Shutdown Threshold

160

°C

Thermal Shutdown Hysteresis

15

°C

OUTPUT AMPLIFIERS

Output Offset Voltage

VOS

VOUT_+ - VOUT_-, AV = 2

±2

±14

mV

VDD = 4.5V to 5.5V

82

100

f = 1kHz

87

Power-Supply Rejection Ratio

PSRR

VRIPPLE = 200mVP-P

(Note 2)

f = 20kHz

74

dB

RL = 8

Ω

1.1

1.4

RL = 4

Ω

2.6

Output Power

POUT

fIN = 1kHz,

THD+N < 1%

RL = 3

Ω

3

W

POUT = 1.2W, RL = 8

Ω

0.005

Total Harmonic Distortion Plus

Noise

THD+N

fIN = 1kHz, BW =

22Hz to 22kHz

POUT = 2W, 4

Ω

0.01

%

Signal-to-Noise Ratio

SNR

RL = 8

Ω, VOUT = 2.8VRMS, BW = 22Hz to 22kHz95

dB

Slew Rate

SR

1.6

V/µs

Maximum Capacitive Load Drive

CL

No sustained oscillations

1

nF

Crosstalk

fIN = 10kHz

77

dB

BIAS VOLTAGE (BIAS)

BIAS Voltage

VBIAS

2.35

2.5

2.65

V

Output Resistance

RBIAS

50

k

Ω

DIGITAL INPUTS (MUTE, SHDN)

Input Voltage High

VIH

2V

Input Voltage Low

VIL

0.8

V

Input Leakage Current

IIN

±1µA

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