19-3911; Rev 1; 9/07
MAX9851 Evaluation Kit/Evaluation System
General Description
Features
The MAX9851 evaluation system (MAX9851EVCMODU)
consists of a MAX9851 evaluation kit (EV kit), a compan-
ion Maxim command module (CMODUSB) interface
board, and software. The MAX9851 EV kit is a fully
assembled and tested surface-mount printed-circuit
board (PCB) that evaluates the MAX9851 stereo audio
GSM/GPRS/EDGE CODEC with microphone inputs,
DirectDriveTM headphone amplifiers, receiver amplifier,
and stereo speaker amplifiers. The EV kit is designed to
send and receive digital audio data in the Sony/Philips
digital interface (S/PDIF) format and can be optionally
configured to communicate using generic digital audio
♦ 3.5V to 5.5V Single-Supply Operation
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♦ I C 2-Wire Serial Interface
♦ Electrical S/PDIF Input/Output
♦ On-Board 26MHz Crystal Oscillator
♦ Two On-Board S/PDIF Digital Audio Receivers
♦ One On-Board S/PDIF Digital Audio Transmitter
♦ On-Board Power-Management IC
♦ Isolation Header for Direct Communication with
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or I S-compatible signals. The EV kit provides RCA jacks
the MAX9851 I C and Digital Audio Interfaces
for connecting analog input signals and digital S/PDIF
signals. A 3.5mm headphone jack provides easy con-
nection of headphones to the PCB. The Maxim com-
mand module interface board (CMODUSB) provides an
♦ Easy-to-Use Menu-Driven Software
♦ Assembled and Tested
♦ Includes Windows 98/2000/XP-Compatible
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®
I C interface through a PC serial or USB port. Windows
Software and Demo PCB to Evaluate the MAX9851
98/2000/XP-compatible software, which can be down-
loaded from the Maxim website, provides a user-friendly
interface to exercise the features of the MAX9851. The
program is menu driven and offers a graphical user inter-
face (GUI) with control buttons and a status display. The
MAX9851EVCMODU includes the EV kit and the
CMODUSB interface board. Order the MAX9851EVKIT if
no Maxim command module interface is needed.
Ordering Information
PART
TYPE
EV Kit
MAX9851EVKIT
MAX9851EVCMODU
EV System
Note: The MAX9851 EV kit software is provided with the
MAX9851EVKIT; however, the CMODUSB board is required to
interface the EV kit to the computer when using the included
software.
Windows is a registered trademark of Microsoft Corp.
System Diagram
ANALOG INPUTS
SOFTWARE
REQUIRED
COMMAND
EV KIT
SERIAL/USB CABLE
MODULE
ANALOG OUTPUTS
S/PDIF DIGITAL
INPUTS AND OUTPUTS
________________________________________________________________ Maxim Integrated Products
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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.