Datasheet > MAX9703_V01

MAX9703_V01

更新时间： 2024-11-24 02:52:55

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
24页	1931K
描述
10W Stereo/15W Mono, Filterless, Spread-Spectrum, Class D Amplifiers

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MAX9703_V01 数据手册

MAX9703/MAX9704

10W Stereo/15W Mono, Filterless,

Spread-Spectrum, Class D Amplifiers

General Description

Features

● Filterless Class D Amplifier

The MAX9703/MAX9704 mono/stereo Class D audio

power amplifiers provide Class AB amplifier performance

with Class D efficiency, conserving board space and

eliminating the need for a bulky heatsink. Using a Class

D architecture, these devices deliver up to 15W while

offering up to 78% efficiency. Proprietary and protected

modulation and switching schemes render the traditional

Class D output filter unnecessary.

● Unique Spread-Spectrum Mode Offers 5dB

Emissions Improvement Over Conventional Methods

● Up to 78% Efficient (R = 8Ω)

● Up to 88% Efficient (R = 16Ω)

● 15W Continuous Output Power into 8Ω (MAX9703)

● 2x10W Continuous Output Power into 8Ω (MAX9704)

● Low 0.07% THD+N

The MAX9703/MAX9704 offer two modulation schemes:

a fixed-frequency mode (FFM), and a spread-spectrum

mode (SSM) that reduces EMI-radiated emissions due

to the modulation frequency. The device utilizes a fully

differential architecture, a full bridged output, and compre-

hensive click-and-pop suppression.

● High PSRR (80dB at 1kHz)

● 10V to 25V Single-Supply Operation

● Differential Inputs Minimize Common-Mode Noise

● Pin-Selectable Gain Reduces Component Count

● Industry-Leading Click-and-Pop Suppression

● Low Quiescent Current (24mA)

The MAX9703/MAX9704 feature high 80dB PSRR, low

0.07% THD+N, and SNR in excess of 95dB. Short-circuit

and thermal-overload protection prevent the devices from

being damaged during a fault condition. The MAX9703 is

available in a 32-pin TQFN (5mm x 5mm x 0.8mm) pack-

age. The MAX9704 is available in a 32-pin TQFN (7mm x

7mm x 0.8mm) package. Both devices are specified over

the extended -40°C to +85°C temperature range.

● Low-Power Shutdown Mode (0.2μA)

● Short-Circuit and Thermal-Overload Protection

● Available in Thermally Efficient, Space-Saving

Packages

• 32-Pin TQFN (5mm x 5mm x 0.8mm)–MAX9703

• 32-Pin TQFN (7mm x 7mm x 0.8mm)–MAX9704

Ordering Information

Applications

● LCD TVs

● LCD Monitors

● Desktop PCs

● LCD Projectors

PART

PIN-PACKAGE

32 TQFN-EP*

AMP

Mono

Stereo

PKG CODE

T3255-4

● Hands-Free Car Phone

MAX9703ETJ+

MAX9704ETJ+

Adapters

T3277-2

Note: All devices specified for over -40°C to +85°C operating

temperature range.

*EP = Exposed paddle.

+Denotes lead-free package.

Block Diagrams

0.47µF

MAX9704

INL+

INL-

OUTL+

OUTL-

MAX9703

H-BRIDGE

0.47µF

IN+

OUT+

H-BRIDGE

0.47µF

IN-

0.47µF

OUT-

INR+

OUTR+

OUTR-

INR-

Pin Configurations appears at end of data sheet.

19-3160; Rev 8; 5/14

12 3 4 5 6 7...24

中文翻译

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与MAX9703_V01相关器件

型号	品牌	获取价格	描述	数据表
MAX9703ETJ	MAXIM	获取价格	15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9703ETJ+	MAXIM	获取价格	Audio Amplifier, 18W, 1 Channel(s), 1 Func, BICMOS, PQCC32, 5 X 5 MM, 0.80 MM HEIGHT, LEAD
MAX9703ETJ-T	MAXIM	获取价格	Audio Amplifier, 20W, 1 Channel(s), 1 Func, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-2
MAX9703-MAX9704	MAXIM	获取价格	15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9704	MAXIM	获取价格	10W Stereo/15W Mono, Filterless, Spread-Spectrum, Class D Amplifiers
MAX9704	ADI	获取价格	10W立体声/15W单声道、无需滤波的扩频D类放大器
MAX9704ETJ	MAXIM	获取价格	15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9704ETJ+	MAXIM	获取价格	Audio Amplifier, 16W, 2 Channel(s), 1 Func, BICMOS, PQCC32, 7 X 7 MM, 0.80 MM HEIGHT, LEAD
MAX9704ETJ+T	MAXIM	获取价格	Audio Amplifier, 20W, 2 Channel(s), 1 Func, BICMOS, 7 X 7 MM, 0.80 MM HEIGHT, TQFN-32
MAX9704ETJ-T	MAXIM	获取价格	Audio Amplifier, 20W, 2 Channel(s), 1 Func, BICMOS, 7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN

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