Datasheet > MAX9725A

MAX9725A

更新时间： 2024-11-04 02:49:27

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
5页	116K
描述
Fully Assembled and Tested

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数据手册

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MAX9725A 数据手册

19-4038; Rev 0; 2/08

MAX9725E Evaluation Kit

vluates:–MAX9725E

General Description

Features

♦ No DC-Blocking Output Capacitors Required

♦ 0.9V to 1.8V Operation

The MAX9725E evaluation kit (EV kit) is a fully assem-

bled and tested printed-circuit board (PCB) that uses

the MAX9725E IC to drive a stereo headphone in

portable applications. The MAX9725E is a low-power

stereo headphone amplifier with adjustable gain and

DirectDrive™ outputs. Maxim’s DirectDrive technology

eliminates the need for bulky DC-blocking capacitors at

the output of the amplifier.

♦ Adjustable -1.82V/V Gain

♦ 20mW per Channel into a 32ΩΩ Load

♦ Low 0.006% THD+N

The EV kit is configured for a -1.82V/V gain and is

designed to operate from a 0.9V to 1.8V DC power sup-

ply. The EV kit is capable of delivering up to 20mW per

channel into a 32Ω load and achieves 0.006% THD+N.

♦ Fully Assembled and Tested

The MAX9725E EV kit can also be used to evaluate the

MAX9725A, MAX9725B, MAX9725C, or MAX9725D

fixed-gain amplifiers. Contact Maxim for free samples of

the MAX9725A, MAX9725B, MAX9725C, or MAX9725D.

See the Part Selection Table for IC ordering information.

The MAX9725_ IC temperature range is -40°C to +85°C.

Part Selection Table

Ordering Information

PART

TYPE

PART

GAIN

MAX9725EEVKIT+

EV Kit

MAX9725AEBC+

MAX9725BEBC+

MAX9725CEBC+

MAX9725DEBC+

MAX9725EEBC+

-2

-1.5

+Denotes lead-free and RoHS-compliant.

-1

-4

Adjustable

Component List

DESIGNATION QTY

DESCRIPTION

DESIGNATION QTY

DESCRIPTION

1µF 10%, 10V X5R ceramic

capacitors (0603)

Murata GRM188R61A105K

OUTL, OUTR,

C1, C2, C3, C5,

Not installed, test points

SGND

R1, R2, R5

R3, R4

10kΩ 1% resistors (0603)

18.2kΩ 1% resistors (0603)

4.7µF 10%, 6.3V X5R ceramic

capacitor (0603)

Murata GRM188R60J475K

Fixed-gain, stereo headphone

amplifier (12-bump UCSP™,

1.54mm x 2.02mm x 0.6mm)

Maxim MAX9725EEBC+

120Ω at 100MHz, 25mΩ DCR, 3A

ferrite beads (0603)

Murata BLM18SG121TN1

FB1, FB2, FB3

—

Shunt (JU1)

JU1

2-pin header

PCB: MAX9725E Evaluation Kit+

OUT

Stereo headphone jack (3.5mm)

Component Supplier

SUPPLIER

Murata Mfg. Co., Ltd.

PHONE

WEBSITE

770-436-1300

www.murata.com

Note: Indicate that you are using the MAX9725E when contacting this component supplier.

UCSP is a trademark of Maxim Integrated Products, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5

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与MAX9725A相关器件

型号	品牌	获取价格	描述	数据表
MAX9725AEBC	MAXIM	获取价格	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725AEBC+	ROCHESTER	获取价格	0.025W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEIGHT, ROHS COMPLIANT
MAX9725AEBC+	MAXIM	获取价格	Fully Assembled and Tested
MAX9725AEBC+T	MAXIM	获取价格	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725AEBC+T	ROCHESTER	获取价格	0.025W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEIGHT, ROHS COMPLIANT
MAX9725AEBC+TG45	MAXIM	获取价格	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725AEBC-T	MAXIM	获取价格	Audio Amplifier, 0.025W, 2 Channel(s), 1 Func, BICMOS, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEI
MAX9725AEBC-T	ROCHESTER	获取价格	0.025W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEIGHT, UCSP-12
MAX9725AETC	MAXIM	获取价格	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725AETC	ROCHESTER	获取价格	0.025W, 2 CHANNEL, AUDIO AMPLIFIER, QCC12, 4 X 4 MM, 0.80 MM HEIGHT, MO-220-WGGB, TQFN-12

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