MAX9727 datasheet(2/13 Pages) MAXIM

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Quad Audio Line Driver with 3VRMS Output

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = PVDD = 3.3V, PGND = 0V, SHDN = VDD, VCM = 0V, C1 = C2 = 1µF, RIN = RF = 5kΩ, RL = ∞, TA = TMIN to TMAX. Typical val-

ues 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.

VDD, PVDD to PGND.................................................-0.3V to +6V

VSS, PVSS to PGND ..................................................-6V to +0.3V

IN_ to PGND ..................................(VSS + 0.3V) to (PVDD - 0.3V)

OUT_ to PGND...............................(VSS - 0.3V) to (PVDD + 0.3V)

SHDN to PGND..........................(PGND - 0.3V) to (PVDD + 0.3V)

C1P to PGND.............................(PGND - 0.3V) to (PVDD + 0.3V)

C1N to PGND .............................(PVSS - 0.3V) to (PGND + 0.3V)

Output Short Circuit to PGND or PVDD.......................Continuous

Continuous Power Dissipation (TA = +70°C)

20-Pin QSOP Single-Layer Board

(derate 9.1mW/°C above +70°C) ..................................727mW

20-Pin QSOP Multilayer Board

(derate 11mW/°C above +70°C) ...................................884mW

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

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

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

GENERAL

Supply Voltage Range

VDD

Inferred from PSRR test

2.7

5.5

Quiescent Current

IDD

Current into VDD and PVDD

Shutdown Current

IDD, SHDN

VSHDN = 0V

0.1

µA

AMPLIFIERS

Input Offset Voltage

VOS

±0.5

±5

Input Bias Current

IBIAS

1000

Input Offset Current

IOS

500

Open-Loop Gain

VOUT = -3V to +3V, RL = 1k

Ω

VDD = 2.7V

-1.6

+1.6

VDD = 3V

-2.3

+2.3

Input Common-Mode Voltage

Range

CMR

VDD = 5V

-3.5

+3.5

VDD = 2.7V, VCM = ±1.6V

100

VDD = 3V, VCM = ±1.9V

100

Common-Mode Rejection Ratio

CMRR

VDD = 5V, VCM = ±3.5V

100

VDD = PVDD = 2.7V to 5.5V

100

Power-Supply Rejection Ratio

PSRR

f = 1kHz, VDD = PVDD = 5V + 100mVP-P

ripple

RL = 1k

Ω, VDD = 3.3V, THD+N = 1%

1.6

2.0

Output Voltage

RL = 1k

Ω, VDD = 5V, THD+N = 1%

2.0

3.0

VRMS

Positive

2.6

3.0

RL = 1k

Ω,

VDD = 3.3V

Negative

-2.6

-3.0

Positive

3.5

4.2

Output Voltage Swing

VOUT

RL = 1k

Ω,

VDD = 5V

Negative

-3.5

-4.1

Sinking

Output Short-Circuit Current

ISC

Sourcing

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