MAX9744EVCMAXQU+ Maxim Integrated, MAX9744EVCMAXQU+ Datasheet

MAX9744EVCMAXQU+

Manufacturer Part Number

MAX9744EVCMAXQU+

Description

Audio Amplifiers Evaluation Kit/Evaluation System for the MAX9744

Manufacturer

Maxim Integrated

Datasheet

1.MAX9744EVCMAXQU.pdf (12 pages)

Specifications of MAX9744EVCMAXQU+

Product

Class-D

Output Power

20 W

Thd Plus Noise

0.04 %

Supply Current

20 mA

Maximum Power Dissipation

2963 mW

Audio Load Resistance

4 Ohms

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The MAX9744 evaluation kit (EV kit) is a fully assembled

and tested circuit board that contains the MAX9744

highly efficient 2 x 20W Class D stereo speaker amplifi-

er. The MAX9744 EV kit also includes Windows

98SE/2000/XP-compatible software that provides a sim-

ple graphical user interface (GUI) for exercising the

MAX9744’s features.

The MAX9744 evaluation system (EV system) includes

a MAX9744 EV kit and a Maxim CMAXQUSB serial-

interface board.

The CMAXQUSB board connects to a PC’s USB port

and allows the transfer of I

MAX9744 EV kit.

Windows is a registered trademark of Microsoft Corp.

19-4228; Rev 0; 7/08

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.

MAX9744EVKIT+

CMAXQUSB

REQUIRED COMPONENTS

DESIGNATION

C7, C17–C20

C4, C5

PART

QTY

________________________________________________________________ Maxim Integrated Products

QTY

General Description

0.47µF ±10%, 16V X7R ceramic

capacitors (0805)

Murata GRM21BR71E474K

1µF ±10%, 16V X5R ceramic

capacitors (0603)

Murata GRM188R61E105K

MAX9744 EV kit

Serial-interface board

MAX9744 EV System

C commands to the

DESCRIPTION

MAX9744 EV Kit

MAX9744 Evaluation Kit/

o 20W Stereo Output (at 10% THD+N, R

o Wide Power-Supply Operation (4.5V to 14V)

o Integrated Volume Control (I

o Optional Control Through USB

o Proven PCB Layout for Thermal Performance and

o Windows 98SE/2000/XP-Compatible Evaluation

o Fully Assembled and Tested

Note: The MAX9744 EV kit software is included with the

MAX9744 EV kit but is designed for use with the complete EV

system. The EV system includes both the Maxim CMAXQUSB

board and the EV kit. If the Windows software will not be used,

the EV kit board can be purchased without the Maxim

CMAXQUSB board.

DESIGNATION

MAX9744EVCMAXQU

Denotes lead-free and RoHS compliant.

Operation)

EMC

Software

MAX9744EVKIT+

C23, C24

C25, C46

C8–C13

R1–R4

= 13V)

PART

Evaluation System

QTY

Ordering Information

0.1µF ±10%, 16V X7R ceramic

capacitors (0603)

TDK C1608X7R1E104K

330µF ±20%, 16V electrolytic

capacitors

Panasonic EEUFM1C331

10µF ±20%, 16V X7R ceramic

capacitors (1206)

Murata GRM318R71C106M

20kΩ ±1% resistors (0603)

Class D stereo amplifier (44 TQFN)

Maxim MAX9744ETH+

EV System

TYPE

EV Kit

Component Lists

DESCRIPTION

C or Stand-Alone

Stand-alone

operation or user-

supplied I

interface

CMAXQUSB board

INTERFACE

Features

= 4Ω,

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