MAX98304 查看數據表（PDF） - Maxim Integrated

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MAX98304

Mono 3.2W Class D Amplifier

Maxim Integrated 

EVALUATION KIT AVAILABLE

MAX98304

Mono 3.2W Class D Amplifier

General Description

The MAX98304 mono 3.2W Class D amplifier provides

Class AB audio performance with Class D efficiency.

This device offers five selectable gain settings (0dB,

3dB, 6dB, 9dB, and 12dB) set by a single gain-select

input (GAIN).

Active emissions-limiting, edge-rate, and overshoot con-

trol circuitry greatly reduces EMI. A filterless spread-

spectrum modulation scheme eliminates the need for

output filtering found in traditional Class D devices. These

features reduce application component count.

The IC's 0.95mA at 3.7V (1.2mA at 5V) quiescent current

extends battery life in portable applications.

The IC is available in a 9-bump (1.0mm x 1.0mm) WLP

with 0.3mm pitch that is specified over the extended

-40NC to +85NC temperature range.

Applications

Notebook and Netbook Computers

Cellular Phones

Tablets

MP3 Players

Portable Audio Players

VoIP Phones

Features

S Low Quiescent Current: 0.95mA at 3.7V

S Spread Spectrum and Active Emissions Limiting

S Five Pin-Selectable Gains

S 19µVRMS Ultra-Low Noise

S 90dB PSRR

S Click-and-Pop Suppression

S Thermal and Overcurrent Protection

S Low-Current Shutdown Mode

S 1.0mm x 1.0mm, 9-Bump WLP (0.3mm Pitch)

Space-Saving Package

Ordering Information

PART

TEMP RANGE

MAX98304EWL+ -40NC to +85NC

PIN-

PACKAGE

9 WLP

TOP

MARK

AIR

+Denotes a lead(Pb)-free/RoHS-compliant package.

Visit www.maximintegrated.com/products/patents for

product patent marking information.

Typical Application Circuit

+2.5V TO +5.5V

+2.5V TO +5.5V

0.47µF

0.47µF

SHDN

GAIN

IN+

IN-

MAX98304

PVDD

OUT+

OUT-

PGND

0.1µF

10µF*

*SYSTEM BULK CAPACITANCE

Bump Configuration

TOP VIEW

BUMP SIDE DOWN

MAX98304

1

2

+

A OUT-

OUT+

3

PVDD

B PGND

N.C.

GAIN

C SHDN

IN-

IN+

WLP

(1mm x 1mm x 0.64mm

0.3mm PITCH)

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.mTOPaVxIEiWmintegrated.com.

BUMP SIDE DOWN

MAX98304

1

2

19-5519; Rev 0; 9/10

3

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