MAX98400A

更新时间： 2024-11-18 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
26页	2518K
描述
Stereo, High-Power, Class D Amplifiers

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数据手册

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MAX98400A 数据手册

19-5286; Rev 0; 6/10

Stereo, High-Power, Class D Amplifiers

General Description

Features

S Wide 8V to 28V Supply Voltage Range

The MAX98400A/MAX98400B Class D amplifiers provide

high-performance, thermally efficient amplifier solutions. The

MAX98400A delivers 2x20W into 8Iloads or 1x40W into a

4Iload. The MAX98400B delivers 2x12W into 8Iloads.

S Single-Supply Operation

S Low EMI: Active Emissions Limiting

S Clipping Limiter

An integrated limiting circuit prevents output clipping

distortion, protects small speakers from transient volt-

ages, and reduces power dissipation.

S Low Quiescent Current

S Thermal Foldback

A thermal-foldback feature can be enabled to automati-

cally reduce the output power at above a junction tem-

perature of +120NC. Traditional thermal protection is also

available in addition to robust overcurrent protection.

S Thermal and Overcurrent Protection

Applications

LCD/PDP Televisions

LCD Monitors

The ICs operate from a single 8V to 28V supply and

provide a high 67dB PSRR, eliminating the need for a

regulated power supply. They offer up to 90% efficiency

from a 12V supply.

MP3 Docking Stations

Notebook PCs

Filterless modulation allows the ICs to pass EN55022B

EMI limits with 1m cables using only a low-cost ferrite

bead and small-value capacitor on each output.

Ordering Information

PART

PIN-PACKAGE

36 TQFN-EP*

24 TQFN-EP*

SPEC

2x20W

2x12W

Both devices feature eight digitally controlled gain settings.

MAX98400AETX+

MAX98400BETG+

Comprehensive click-and-pop reduction circuitry mini-

mizes noise coming into and out of shutdown.

Note: Devices operate over the -40°C to +85°C temperature

range.

*EP = Exposed pad.

The MAX98400A/MAX98400B are available in 36-pin

and 24-pin TQFN packages, respectively, and are speci-

fied over the -40NC to +85NC temperature range.

Simplified Block Diagram

INL-

OUTL-

CLASS D

MODULATOR

AND H-BRIDGE

CLIPPING

PGA

LIMITER

INL+

OUTL+

MONO*

OUTR-

MAX98400A/B

INR-

INR+

CLASS D

MODULATOR

AND H-BRIDGE

CLIPPING

LIMITER

PGA

OUTR+

*MAX98400A ONLY

_______________________________________________________________ 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.

12 3 4 5 6 7...26

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与MAX98400A相关器件

型号	品牌	获取价格	描述	数据表
MAX98400AETX+	MAXIM	获取价格	Stereo, High-Power, Class D Amplifiers
MAX98400AEVKIT	MAXIM	获取价格	MAX98400A Evaluation Kit
MAX98400AEVKIT+	MAXIM	获取价格	MAX98400A Evaluation Kit
MAX98400B	MAXIM	获取价格	Stereo, High-Power, Class D Amplifiers
MAX98400B	ADI	获取价格	立体声、大功率、D类放大器
MAX98400BETG+	MAXIM	获取价格	Stereo, High-Power, Class D Amplifiers
MAX98400BEVKIT	MAXIM	获取价格	MAX98400B Evaluation Kit
MAX98400BEVKIT+	MAXIM	获取价格	MAX98400B Evaluation Kit
MAX984CPE	MAXIM	获取价格	Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators
MAX984CPE+	MAXIM	获取价格	Comparator, 4 Func, 10000uV Offset-Max, 300000ns Response Time, PDIP16, 0.300 INCH, PLASTI

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