Datasheet > MAX9757ETJ+

MAX9757ETJ+

更新时间： 2024-11-26 02:50:19

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
31页	790K
描述
2.3W Stereo Speaker Amplifiers and DirectDrive Headphone Amplifiers with Automatic Level Control

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MAX9757ETJ+ 数据手册

19-3782; Rev 1; 1/06

2.3W Stereo Speaker Amplifiers and DirectDrive

Headphone Amplifiers with Automatic Level Control

General Description

Features

♦ Automatic Level Control—Protects Speakers

The MAX9756/MAX9757/MAX9758 combine dual, 2.3W,

bridge tied load (BTL) stereo audio power amplifiers and

a DirectDrive^TMheadphone amplifier in a single device.

These devices feature single-supply voltage operation,

shutdown mode, logic-selectable gain, a headphone

sense input, a 31-step analog volume control, and indus-

try-leading click-and-pop suppression. The headphone

amplifier uses Maxim’s DirectDrive architecture that pro-

duces a ground-referenced output from a single supply,

eliminating the need for large DC-blocking capacitors.

♦ Analog Volume Control

♦ 120mW DirectDrive Headphone Amplifiers (16Ω)

♦ 150mA Adjustable LDO

♦ Class AB, 2.3W, Stereo BTL Speaker Amplifiers

(3Ω)

♦ High 95dB PSRR

♦ Low-Power Shutdown Mode

♦ Industry-Leading Click-and-Pop Suppression

♦ Short-Circuit and Thermal Protection

♦ Beep Input

The MAX9756/MAX9757 feature automatic level control

(ALC) that automatically limits output power to the speak-

er in the event of an overpowered output.

The MAX9756/MAX9758s’ 150mA internal linear regula-

tor provides a complete solution for DAC- or CODEC-

based designs.

The MAX9756/MAX9757/MAX9758 are offered in space-

saving, thermally efficient 32-pin (5mm x 5mm x 0.8mm)

and 36-pin thin QFN (6mm x 6mm x 0.8mm) packages.

All devices are specified over the extended -40°C to

+85°C temperature range.

Ordering Information

PART

ALC

√

LDO

√

PIN-PACKAGE

36 Thin QFN-EP*

32 Thin QFN-EP*

MAX9756ETX+

MAX9757ETJ+

MAX9758ETJ+

√

—

√

—

Applications

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

Notebook PCs

Tablet PCs

Flat-Panel TVs

PC Displays

temperature range.

+Denotes lead-free package.

*EP = Exposed paddle.

Portable DVD

Players

LCD Projectors

Portable Audio

Simplified Block Diagrams

SINGLE SUPPLY 4.5V TO 5.5V

ALC

SINGLE SUPPLY 4.5V TO 5.5V

ALC

VOL

BEEP

HPS

VOL

BEEP

HPS

VOL

BEEP

HPS

1.2V TO 5V

LDO

1.2V TO 5V

LDO

MAX9757

MAX9756

MAX9758

________________________________________________________________ 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...31

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与MAX9757ETJ+相关器件

型号	品牌	获取价格	描述	数据表
MAX9757ETJ+T	MAXIM	获取价格	Audio Amplifier, 2.3W, 2 Channel(s), 1 Func, BICMOS, PQCC32, 5 X 5 MM, 0.80 MM HIEGHT, LEA
MAX9758	MAXIM	获取价格	2.3W Stereo Speaker Amplifiers and DirectDrive Headphone Amplifiers with Automatic Level C
MAX9758ETJ+	MAXIM	获取价格	Audio Amplifier, 2.3W, 2 Channel(s), 1 Func, BICMOS, PQCC32, 5 X 5 MM, 0.80 MM HIEGHT, LEA
MAX9759	MAXIM	获取价格	3.2W, High-Efficiency, Low-EMI, Filterless, Class D Audio Amplifier
MAX9759	ADI	获取价格	3.2W、高效、低EMI、无需滤波、D类音频放大器
MAX9759ETE+	MAXIM	获取价格	3.2W, High-Efficiency, Low-EMI, Filterless, Class D Audio Amplifier
MAX9759ETE+T	MAXIM	获取价格	Audio Amplifier, 4.3W, 1 Channel(s), 1 Func, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, LEAD FREE,
MAX9759EUE+	MAXIM	获取价格	3.2W, High-Efficiency, Low-EMI, Filterless, Class D Audio Amplifier
MAX975ESA	MAXIM	获取价格	Single/Dual, +3V/+5V Dual-Speed Comparators with Auto-Standby
MAX975ESA+T	MAXIM	获取价格	暂无描述

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