MAX9779

更新时间： 2024-11-05 04:41:31

品牌	Logo	应用领域
美信 - MAXIM		放大器功率放大器
页数	文件大小	规格书
19页	540K
描述
2.6W Stereo Audio Power Amplifier and DirectDrive Headphone Amplifier

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MAX9779 数据手册

19-3766; Rev 0; 7/05

2.6W Stereo Audio Power Amplifier and

DirectDrive Headphone Amplifier

General Description

Features

The MAX9779 combines a stereo, 2.6W audio power

amplifier and stereo DirectDrive™ 110mW headphone

amplifier in a single device. The headphone amplifier

uses Maxim’s patented DirectDrive architecture that pro-

duces a ground-referenced output from a single supply,

eliminating the need for large DC-blocking capacitors,

saving cost, space, and component height. A high 90dB

PSRR and low 0.01% THD+N ensures clean, low-distor-

tion amplification of the audio signal through the Class

AB speaker amplifiers.

♦ No DC-Blocking Capacitors Required—Provides

Industry’s Most Compact Notebook Audio

Solution

♦ PC2001 Compliant

♦ 5V Single-Supply Operation

♦ Class AB 2.6W Stereo BTL Speaker Amplifiers

♦ 110mW DirectDrive Headphone Amplifiers

♦ High 90dB PSRR

The MAX9779 features a single-supply voltage, a shut-

down mode, logic-selectable gain, and a headphone

sense input. Industry-leading click-and-pop suppres-

sion eliminates audible transients during power and

shutdown cycles.

♦ Low-Power Shutdown Mode

♦ Industry-Leading Click-and-Pop Suppression

♦ Low 0.01% THD+N at 1kHz

The MAX9779 is offered in a space-saving, thermally effi-

cient 28-pin thin QFN (5mm x 5mm x 0.8mm) package.

The device has thermal-overload and output short-circuit

protection, and is specified over the extended -40°C to

+85°C temperature range.

♦ Short-Circuit and Thermal-Overload Protection

♦ Selectable Gain Settings (15dB, 16.5dB, 18dB,

and 19.5dB)

♦

8kV ꢀSD-Protected Headphone Driver Outputs

♦ Available in Space-Saving, Thermally ꢀfficient

Package

Applications

Flat-Panel TVs

28-Pin Thin QFN (5mm x 5mm x 0.8mm)

Notebook PCs

Tablet PCs

Multimedia Monitors

Portable DVD Players LCD Projectors

Simplified Block Diagram

Ordering Information

PART

TꢀMP RANGꢀ

PIN-PACKAGꢀ

MAX9779ETI+

-40°C to +85°C

28 Thin QFN-EP*

⁺Denotes lead-free package.

*EP = Exposed paddle.

MAX9779

GAIN

Pin Configuration appears 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...19

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与MAX9779相关器件

型号	品牌	获取价格	描述	数据表
MAX9779ETI+	MAXIM	获取价格	2.6W Stereo Audio Power Amplifier and DirectDrive Headphone Amplifier
MAX9779ETI+T	MAXIM	获取价格	Audio Amplifier, 2.6W, 2 Channel(s), 1 Func, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE,
MAX977EEE	MAXIM	获取价格	Single/Dual, +3V/+5V Dual-Speed Comparators with Auto-Standby
MAX977EEE+	MAXIM	获取价格	Comparator, 2 Func, 3000uV Offset-Max, 28ns Response Time, CMOS, PDSO16, 0.150 INCH, 0.025
MAX977EEE-T	MAXIM	获取价格	Comparator, 2 Func, 3000uV Offset-Max, 28ns Response Time, CMOS, PDSO16, 0.150 INCH, 0.025
MAX977ESD	MAXIM	获取价格	Single/Dual, +3V/+5V Dual-Speed Comparators with Auto-Standby
MAX977ESD+	MAXIM	获取价格	Comparator, 2 Func, 3000uV Offset-Max, 28ns Response Time, CMOS, PDSO14, SOP-14
MAX977ESD+T	MAXIM	获取价格	Comparator, 2 Func, 3000uV Offset-Max, 28ns Response Time, CMOS, PDSO14, SOP-14
MAX977ESD-T	MAXIM	获取价格	Comparator, 2 Func, 3000uV Offset-Max, 28ns Response Time, CMOS, PDSO14, SOP-14
MAX978	MAXIM	获取价格	Single/Dual/Quad, SOT23, Single-Supply, High-Speed, Low-Power Comparators

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