MAX9715

更新时间： 2024-09-28 04:41:31

品牌	Logo	应用领域
美信 - MAXIM		音频放大器
页数	文件大小	规格书
14页	549K
描述
2.8W, Low-EMI, Stereo, Filterless Class D Audio Amplifier

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MAX9715 数据手册

19-3589; Rev 1; 8/05

2.8W, Low-EMI, Stereo, Filterless

Class D Audio Amplifier

General Description

Features

The MAX9715 high-efficiency, stereo, Class D audio

power amplifier provides up to 2.8W per channel into a

4Ω speaker with a 5V supply. Maxim’s second-generation

Class D technology features robust output protection,

high efficiency, and high power-supply rejection (PSRR)

while eliminating the need for output filters. Selectable

gain settings, +10.5dB or +9.0dB, adjust the amplifier

gain to suit the audio input level and speaker load.

♦ 5V Single-Supply Operation

♦ Patented Spread-Spectrum Modulator Reduces EMI

♦ 2.8W, Class D, Stereo Speaker Amplifier (4Ω)

♦ Filterless Class D Requires No LC Output Filter

♦ High PSRR (71dB at 1kHz)

♦ 86% Efficiency (R = 8Ω, P

= 1W)

OUT

The MAX9715 features high PSRR (71dB at 1kHz),

allowing for operation from noisy supplies without addi-

tional regulation. Comprehensive click-and-pop sup-

pression eliminates audible clicks and pops at startup

and shutdown. The MAX9715 operates from a single 5V

supply and consumes only 12mA of supply current.

Integrated shutdown control reduces supply current to

less than 100nA.

♦ Low-Power Shutdown Mode

♦ Integrated Click-and-Pop Suppression

♦ Low Total Harmonic Distortion: 0.06% at 1kHz

♦ Short-Circuit and Thermal Protection

♦ Internal Gain, +9.0dB or +10.5dB

The MAX9715 is fully specified over the extended

-40°C to +85°C temperature range and is available in

thermally enhanced 16-pin thin QFN-EP and 16-pin

TSSOP packages.

♦ Available in Space-Saving Packages

16-Pin Thin QFN-EP (5mm x 5mm x 0.8mm)

16-Pin TSSOP

Applications

Ordering Information

High-End Notebook Audio

LCD Projectors

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

16 TQFN-EP*

16 TSSOP

MAX9715ETE+

MAX9715EUE+

Portable Audio

+Denotes lead-free package.

*EP = Exposed paddle.

Multimedia Docking Stations

Typical Operating Circuit/Functional Diagram appears at

end of data sheet.

Pin Configurations

Block Diagram

TOP VIEW

4.5V TO 5.5V SUPPLY

BIAS 13

SHDN

GND

GAIN

N.C.

OUTR+

INR

OUTR-

MAX9715

GAIN

INL

CLASS D

AMPLIFIER

INR

OUTL+

OUTL-

INL 16

MAX9715

TQFN

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

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

12 3 4 5 6 7...14

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与MAX9715相关器件

型号	品牌	获取价格	描述	数据表
MAX9715ETE+	MAXIM	获取价格	2.8W, Low-EMI, Stereo, Filterless Class D Audio Amplifier
MAX9715EUE+	MAXIM	获取价格	2.8W, Low-EMI, Stereo, Filterless Class D Audio Amplifier
MAX9715EUE+T	MAXIM	获取价格	Audio Amplifier, 2.8W, 2 Channel(s), 1 Func, BICMOS, PDSO16, 4.40 MM, ROHS COMPLIANT, MO-1
MAX9716	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9716	ADI	获取价格	低成本、单声道、1.4W BTL音频功率放大器
MAX9716_09	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9716_12	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9716EBL TG45	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9716EBL+TG45	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9716EBL-T	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers

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