Datasheet > MAX9727

MAX9727

更新时间： 2024-11-02 22:55:07

品牌	Logo	应用领域
美信 - MAXIM		驱动器
页数	文件大小	规格书
1页	46K
描述
Quad Audio Line Driver with 3VRMS Output

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MAX9727 数据手册

XX-XXXX; Rev 0; 10/05

Quad Audio Line Driver with 3V

Output

RMS

General Description

Features

♦ 2.7V to 5.5V Single-Supply Operation

The MAX9727 quad audio line driver with 3V

output is

RMS

ideal for portable audio devices where board space and

cost is at a premium. The device uses Maxim’s

DirectDrive^TMarchitecture that produces a ground-refer-

enced output from a single supply, eliminating the need

for large DC-blocking capacitors, saving cost, board

space, and component height. A high 100dB PSRR and

low 0.0005% THD+N ensures clean, low-distortion ampli-

fication of the audio signal. Each MAX9727 amplifier can

♦ High 100dB PSRR

♦ 109dB Signal-to-Noise Ratio (SNR)

♦ Ground-Referenced Outputs

♦ No Audible Clicks or Pops at Power-Up/Down

♦ Differential Inputs

♦ 3V

♦ 2V

into 1kΩ Load at 5V

into 1kΩ Load at 3.3V

RMS

provide 3V

to a 1kΩ load with less than 0.003%

RMS

THD+N while operating from a single +5V supply. Each

MAX9727 amplifier can provide 2V to a 1kΩ load with

♦ 3mA Supply Current Per Channel

♦ Unity-Gain Stable

RMS

less than 0.003% THD+N while operating from a single

+3.3V supply.

♦ 100nA Low-Power Shutdown Mode

A shutdown input disables the amplifiers and reduces

quiescent current consumption to less than 100nA. The

MAX9727 features Maxim’s comprehensive click-and-

pop suppression circuitry that reduces audible clicks and

pops during startup and shutdown.

♦ C

Drive > 220pF

LOAD

♦ ±±kV HBM ꢀSD-Protected Outputs

Ordering Information

The MAX9727 operates from a single 2.7V to 5.5V sup-

ply, consumes only 3mA of supply current per channel

and is specified over the -40°C to +85°C extended tem-

perature range.

PIN-

PACKAGꢀ

PART

TꢀMP RANGꢀ

GAIN

MAX9727EEP+ -40°C to +85°C

20 QSOP

Adjustable

+Denotes lead-free package.

Applications

Simplified Block Diagram

Set-Top Boxes

CD and DVD Players

Soundcards

Consumer and

Professional Audio

Equipment

OUTD

OUTA

Portable Audio

Devices

A/V Receivers

IND-

INA-

Pin Configuration

IND+

INC+

INA+

INB+

TOP VIEW

OUTA

20 OUTD

19 IND-

18 IND+

INA-

INA+

INB-

INC-

MAX9727

17 V

OUTB

SHDN

OUTC

INB+

INB-

16 INC+

15 INC-

14 OUTC

OFF

OUTB

SHDN

PGND

C1N

13 PV

MAX9727

12 C1N

C1P

C1P 10

11 PGND

QSOP

________________________________________________________________ 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.

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与MAX9727相关器件

型号	品牌	获取价格	描述	数据表
MAX9727EEP	MAXIM	获取价格	Quad Audio Line Driver with 3VRMS Output
MAX9727EEP+	ROCHESTER	获取价格	LINE DRIVER, PDSO20, 0.150 INCH, 0.025 INCH PITCH, LEAD FREE, MO-137AD, QSOP-20
MAX9727EEP+T	MAXIM	获取价格	Line Driver, 4 Func, 4 Driver, BICMOS, PDSO20, 0.150 INCH, 0.025 INCH PITCH, LEAD FREE, MO
MAX9728	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown
MAX9728	ADI	获取价格	60mW、DirectDrive、立体声耳机放大器，带有关断
MAX9728A	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown
MAX9728AETC	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown
MAX9728AETC+	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown
MAX9728AETC-T	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown
MAX9728AEUD	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown

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