Datasheet > MAX9750|MAX9751|MAX9755

MAX9750|MAX9751|MAX9755

更新时间： 2024-11-20 23:52:11

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
30页	672K
描述
2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers

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19-3006; Rev 0; 1/04

2.6W Stereo Audio Power Amplifiers and

DirectDrive Headphone Amplifiers

General Description

Features

The MAX9750/MAX9751/MAX9755 combine 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 produces 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-distortion amplification of the audio

signal.

♦ 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 MAX9750 features an analog volume control, and a

BEEP input. The MAX9751 features a 2:1 input multiplexer,

allowing multiple audio sources to be selected. All devices

feature a single-supply voltage, a shutdown mode, logic-

selectable gain, and a headphone sense input. Industry-

leading click-and-pop suppression 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

♦ Short-Circuit and Thermal Protection

♦ Selectable Gain Settings

The MAX9750/MAX9751/MAX9755 are offered in space-

saving, thermally efficient 28-pin thin QFN (5mm x 5mm

x 0.8mm) and 28-pin TSSOP-EP packages. Both devices

have thermal-overload and output short-circuit protec-

tion, and are specified over the extended -40°C to +85°C

temperature range.

♦ Analog Volume Control (MAX9750)

♦ Beep Input with Glitch Filter (MAX9750)

♦ 2:1 Stereo Input MUX (MAX9751)

♦ ±±kV ꢀSD-Protected Headphone Driver Outputs

Applications

♦ Available in Space-Saving, Thermally ꢀfficient

Packages

Notebook PCs

Tablet PCs

Flat-Panel TVs

PC Displays

2±-Pin Thin QFN (5mm x 5mm x 0.±mm)

2±-Pin TSSOP-ꢀP

Portable DVD

LCD Projectors

Ordering Information

Simplified Block Diagrams

PIN-

PACKAGꢀ

MAXIMUM

GAIN (dB)

PART

TꢀMP RANGꢀ

MAX9750AETI*^†-40°C to +85°C 28 Thin QFN

MAX9750AEUI*^†-40°C to +85°C 28 TSSOP-EP**

MAX9750BETI*^†-40°C to +85°C 28 Thin QFN

MAX9750BEUI*^†-40°C to +85°C 28 TSSOP-EP**

MAX9750CETI^†-40°C to +85°C 28 Thin QFN

MAX9750CEUI*^†-40°C to +85°C 28 TSSOP-EP**

13.5

19.5

10.5

MAX9751ETI*^†

-40°C to +85°C 28 Thin QFN

MAX9751EUI*^†

-40°C to +85°C 28 TSSOP-EP**

VOL

MAX9755AETI*^†-40°C to +85°C 28 Thin QFN

MAX9755AEUI*^†-40°C to +85°C 28 TSSOP-EP**

BEEP

*Future product—contact factory for availability.

**EP = Exposed Paddle.

^†Lead-free package.

MAX9750

Simplifed Block Diagrams 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...30

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与MAX9750|MAX9751|MAX9755相关器件

型号	品牌	获取价格	描述	数据表
MAX9750AETI	MAXIM	获取价格	2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
MAX9750AETI+	MAXIM	获取价格	Volume Control Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, MO-220WHHD-1, TQFN-28
MAX9750AETI+T	MAXIM	获取价格	Volume Control Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, TQFN-28
MAX9750AETI-T	MAXIM	获取价格	Volume Control Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, TQFN-28
MAX9750AEUI	MAXIM	获取价格	2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
MAX9750AEUI+	MAXIM	获取价格	Volume Control Circuit, BICMOS, PDSO28, 4.40 MM, MO-153AE, TSSOP-28
MAX9750AEUI+T	MAXIM	获取价格	Volume Control Circuit, BICMOS, PDSO28, 4.40 MM, MO-153AE, TSSOP-28
MAX9750BETI	MAXIM	获取价格	2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
MAX9750BETI+	MAXIM	获取价格	Volume Control Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, MO-220WHHD-1, TQFN-28
MAX9750BETI+T	MAXIM	获取价格	Volume Control Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, TQFN-28

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