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Evaluates: MAX98390 (C/D)
MAX98390 Evaluation System
General Description
Features
The MAX98390C/D evaluation system (EV system) eval-
uates the MAX98390C or the MAX98390D boosted
Class D audio amplifier with integrated Dynamic Speaker
Management™ (DSM) IC. DSM senses the voltage and
current at the load and uses patented Maxim algorithms
to unlock the full potential of the speaker. The EV sys-
tem comprises the MAX98390C or the MAX98390D
Development Board (DEV board), Maxim’sAudio Interface
Board III (AUDINT3), 5V power supply, reference micro-
speaker, USB cable, DSM Sound Studio software, and
MAX98390 evaluation software.
● Complete Hardware System with Easy Setup, No
Tools or Special Equipment Required
● Precharacterized Reference Microspeaker Included
● Easy-to-Use Graphical User Interfaces Software
®
(Windows 7/10 Compatible)
● DSM Sound Studio
• Quick Demo Using Included Speaker
• Extract: Speaker Parameter Extraction
• Tune: Full Acoustic Tuning Suite
• Evaluate: Compare Different Tunings
It is recommended that the DEV board be evaluated with
the AUDINT3 board as an EV system. MAX98390C/D
● MAX98390 Evaluation Software
• Complete Access to All Hardware Registers
2
supports standard I S, left-justified, and TDM digital audio
2
interfaces, as well as I C for control.
EV System Contents
● MAX98390C or MAX98390D development board
● Audio Interface Board III
● 5V power supply, 100V to 240V
● Micro-USB cable
The AUDINT3 board provides 1.8V DVDD, USB-to-PCM,
2
and USB-to-I C interfaces that are needed to evaluate the
DEV board, requiring only a single external power supply
for VBAT. The Simplified EV System Block Diagram details
the DEV board and the AUDINT3 board.
● Reference micro speaker
The easy-to-use DSM Sound Studio software has a simple,
yetpowerfulgraphicaluserinterface(GUI)thatbreaksdown
theDSMdesignprocessintothreebasicsteps:extract,tune,
andevaluate.Additionally,DSMSoundStudioprovidesfora
7 minute quick demo to hear the DSM difference using the
included reference microspeaker.
● Temporary adhesive for mounting microspeaker
to DEV board
Ordering Information appears at end of data sheet.
There is also the MAX98390 evaluation software that
provides complete access to all hardware registers.
Windows is a registered trademark and registered service mark of Microsoft Corporation.
Dynamic Speaker Management is a trademark of Maxim Integrated Products, Inc.
319-100366; Rev 1; 7/20