Click here to ask about the production status of specific part numbers. Evaluates: MAX98396 MAX98396 Evaluation Kit General Description Benefits and Features The MAX98396 evaluation system (EV system) evaluates Complete Hardware System with Easy Setup No the MAX98396 Mono Class-D Audio Amplifier featuring Tools or Special Equipment Required Dynamic Headroom Tracking (DHT) and Clock-and-Data Easy to use Graphical User Interface (GUI) Monitoring. The EV system consists of the MAX98396 Evaluation Software (Windows 7/10 Compatible) Development Board (DEV board), Audio Interface Board Complete Access to all Hardware Registers III (AUDINT3), a micro-USB cable, and the MAX98396 EV System Contents evaluation software. MAX98396 Development Board It is recommended that the DEV board be evaluated with the AUDINT3 board as an EV system. The MAX98396 Audio Interface Board III 2 supports standard I S, left-justified, and TDM digital audio Micro-USB Cable 2 interfaces, as well as I C for control. The MAX98396 evaluation software provides complete The AUDINT3 board provides the USB-to-PCM and USB- access to all hardware registers. 2 to-I C interfaces in addition to the 1.8V AVDD supply and the 1.2V DVDD and DVDDIO supplies that are needed to evaluate the DEV board. The IC DEV board requires Ordering Information appears at end of data sheet. two additional supply inputs, 3V to 5.5V (VBAT) and 3V to 20V (PVDD). Figure 1 details the DEV board and the AUDINT3 board. VBAT GND PVDD S3 S1 S2 D1 FOUTP IRQ VREFC FOUTP I2C J2 MAX98396 ICC J3B U1 GND J1 J1 J2 USB DOUT DIN INTERFACE FOUTN LRCLK BCLK J3 DVDDIO J5 SIG GND FOUTN DVDD AVDD DVDDIO /RESET J4 GND J6 AUDIO INTERFACE BOARD 3 MAX 98396 DE VEL OPME NT BOARD ADDR Figure 1. Simplified EV System Block Diagram Windows is a registered trademark and registered service mark of Microsoft Corporation. Windows Media is a registered trademark and registered service mark of Microsoft Corporation. iTunes is a registered trademark of Apple Inc. 319-100702 Rev 0 3/21Evaluates: MAX98396 MAX98396 Evaluation Kit AUDINT3 Board Setup: Quick Start 1) Connect the MAX98396 DEV board (J1 connector) Note: In the following sections, software-related items to the AUDINT3 board (J1 connector). are identified as follows: Text in bold refers to items 2) With the audio source disabled, connect the micro- directly from the evaluation software. Text in bold and USB cable from the computer to the USB port underlined refers to items from the Windows operating (J2) on the AUDINT3 board. The AUDINT3 board system. provides the power for AVDD (1.8V), DVDD (1.2V), Software Installation and DVDDIO (1.2V) to the DEV board through the J1 1) For the latest software, login to your MyMaxim connector. account at MaximIntegrated.com, navigate to 3) The AUDINT3 should automatically register through MAX98396 Design Resources MAX98396 Soft- Windows as a USB device. When the AUDINT3 is ware, download MAX98396EVSwSetupVxx.exe, connected and ready, the status LED (D1) changes and extract the downloaded folder to a temporary to magenta and blinks slowly. location. DEV Board Setup 2) Install the MAX98396 evaluation software by running The EV kit is fully assembled and tested. the program installer MAX98396EVSwSetupvxx.exe and follow all installer prompts. Windows might dis- 1) Connect the 3V to 20V power supply across the play a message indicating that this software is from an PVDD and GND binding posts. unknown publisher this is not an error condition and 2) Connect the speaker leads across the SPKP and it is safe to proceed with the installation. The applica- SPKN binding posts. tion icon is located at Windows Maxim Integrated 3) Place the shunt on jumper JU4 across the RESET MAX98396 Evaluation Software. and DVDDIO pins. Test Required Equipment 1) Enable the supply voltages across each of the sup- MAX98396 EV System ply pins. MAX98396 Development Board (DEV board) 2) Launch the MAX98396 evaluation software and Audio Interface Board III (AUDINT3) wait until the software registers connection to the Micro-USB cable EV system. Once the connection has been properly Two DC power supplies established, the status bar at the bottom of the GUI 3V to 20V (for PVDD) window reports that the USB is connected, displays 3V to 5.5V (for VBAT) the MAX98396 part number and its revision ID, Note: PVDD must be greater than VBAT Audio Interface 3 with its firmware version, and EV 4 to 8 speaker System Ready. See Figure 3. 3) After the EV system is connected, configure the PC (Windows 7/10) with USB port device by loading the I2S 48kHz IVADCs.98396 Required Software configuration file. This file can be loaded from File The MAX98396 evaluation software. The MAX98396 Load Register Settings Preinstalled Configura - evaluation software is compatible with Windows 7/10 tion Files. and can be found on Maxim Integrateds website. 4) Open the Windows Sound dialog and select the See the Software Installation section. Playback tab. A Speakers item similar to Figure 2 should be listed as an available playback device. Audio source (e.g., Windows Media Player or 5) Verify that the Speakers item is set as the default iTunes ) device. Reference Material 6) Adjust the audio source volume to a low level. MAX98396 IC data sheet 7) Enable the audio source and verify that audio is heard through the connected speaker. Adjust the Procedure audio source volume as needed. When audio is The MAX98396 and AUDINT3 boards are fully assembled streaming, the D1 LED on the AUDINT3 should and tested. Follow the steps to set up the EV system for change to yellow. device evaluation. 8) Quick start of the evaluation software is now complete. Maxim Integrated 2 www.maximintegrated.com