MAX98306

更新时间： 2024-11-28 11:14:11

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
14页	1854K
描述
Stereo 3.7W Class D Amplifier

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MAX98306 数据手册

19-5919; Rev 1; 8/11

Stereo 3.7W Class D Amplifier

General Description

Features

S Output Power 3.7W at 3I, 10% THD, 1.7W at 8I,

The MAX98306 stereo 3.7W Class D amplifier provides

Class AB audio performance with Class D efficiency.

This device offers five selectable gain settings (6dB,

9dB, 12dB, 15dB, and 18dB) set by a single gain-select

input (GAIN).

10% THD, with 5V Supply

S Passes EMI Limit Unfiltered with Up to 12in of

Speaker Cable

S High 83dB PSRR at 217Hz

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

trol circuitry combined with a filterless spread-spectrum

modulation scheme (SSM) provide excellent EMI perfor-

mance while eliminating the need for output filtering found

in traditional Class D devices. These features reduce

application component count.

S Spread-Spectrum Modulation and Active

Emissions Limiting

S Five Pin-Selectable Gains

S Excellent Click-and-Pop Suppression

S Thermal and Overcurrent Protection

S Low-Current Shutdown Mode

The IC's 2.0mA quiescent current with a 3.7V supply

extends battery life in portable applications.

S Space-Saving, 3mm x 3mm x 0.75mm,

The IC is available in a 14-pin TDFN (3mm x 3mm x

0.75mm) package specified over the extended -40NC to

+85NC temperature range.

14-Pin TDFN

Ordering Information

Applications

PIN-

PACKAGE MARK

14 TDFN +AEV

TOP

PART

TEMP RANGE

Smartphones

Tablets

MP3 Players

Portable Audio Players

VoIP Phones

MAX98306ETD+

-40NC to +85NC

Cellular Phones

Accessory Speakers

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

Typical Application Circuit

+2.6V TO +5.5V

0.1µF

10µF

PVDD

1µF

INL+

OUTL+

OUTL-

1µF

INL-

PVDD

GAIN

CONTROL

1µF

INR+

OUTR+

OUTR-

1µF

INR-

PVDD

SHDN

MAX98306

PGND

_______________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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