MAX97220A datasheet(2/19 Pages) MAXIM

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Differential Input DirectDrive

Line Drivers/Headphone Amplifiers

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.

(All voltages referenced to PGND.)

SVDD, SVDD2, and PVDD ......................................-0.3V to +6V

PVSS and BIAS .......................................................-6V to +0.3V

SGND ...................................................................-0.3V to +0.3V

INL-, INL+, INR-, and INR+ (A, B, and E)...-VSVDD/2 to +VSVDD/2

INL-, INL+, INR-,

and INR+ (C and D) ....... (-0.75 x VSVDD) to (+0.75 x VSVDD)

OUTL and OUTR..................................................-4.5V to +4.5V

SHDN.......................................................................-0.3V to +6V

C1P........................................................-0.3V to (VPVDD + 0.3V)

C1N ....................................................... (VPVSS - 0.3V) to +0.3V

OUT_ Short Circuit to PGND.....................................Continuous

OUT_ Short Circuit to PVDD......................................Continuous

Short Circuit Between OUTL and OUTR...................Continuous

Continuous Current Into/Out of All Pins .............................20mA

Continuous Power Dissipation (TA = +70NC) (Multilayer Board)

TQFN (derate 20.8mW/NC above +70NC)...............1666.7mW

Junction Temperature .....................................................+150NC

Operating Temperature Range.......................... -40NC to +85NC

Storage Temperature Range............................ -65NC to +150NC

Lead Temperature (soldering, 10s) ................................+300NC

Soldering Temperature (reflow) ......................................+260NC

ELECTRICAL CHARACTERISTICS

(VPVDD = VSVDD = VSVDD2 = 5V, VPGND = VSGND = 0V, CBIAS = 0.1µF, C1 = C2 = 1µF, RIN = 20kω, RF = 20kω (MAX97220A/

MAX97220B/MAX97220E), typical values tested at TA = +25°C, unless otherwise noted.) (Notes 2 and 3)

ABSOLUTE MAXIMUM RATINGS

Note 1: 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.

TQFN

Junction-to-Ambient Thermal Resistance (

qJA) ..........48°C/W

Junction-to-Case Thermal Resistance (

qJC) .................7°C/W

PACKAGE THERMAL CHARACTERISTICS (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

GENERAL

Supply Voltage Range

PVDD,

SVDD_

Guaranteed by PSRR test

2.5

5.5

Quiescent Supply Current

IPVDD

No load, TA = +25NC A version

5.5

No load, TA = +25NC B/C/D/E versions

No load, VPVDD = VSVDD_ = 3.3V

Undervoltage Lockout

UVLO

PVDD falling

2.35

Shutdown Supply Current

IPVDD_SD SHDN = 0, TA = +25NC

Turn-On Time

tON

Shutdown to full operation

time

A/C/E versions

4.8

5.5

6.3

B/D versions

117

130

143

AMPLIFIERS

Input Resistance

RIN

C/D versions only

7.4

12.7

Output Signal Attenuation in

Shutdown

VSHDN = 0V,

RL = 10kW

A/B/E versions

C/D versions

Gain

C/D versions only

5.5

6.5

Output Offset Voltage

VOS

Unity gain, TA = +25NC

350

Input Common-Mode Voltage

Range

VCM

Voltage at IN+ and IN-

A/B/E versions

-0.5 x

VPVDD

+0.5 x

VPVDD

C/D versions

-0.75 x

VPVDD

+0.75 x

VPVDD

Maximum Differential Input Signal

VDIFF

(Note 4)

PVDD

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