Click here for production status of specific part numbers. Evaluates: MAX98374 MAX98374 Evaluation System General Description Features The MAX98374 evaluation system (EV system) evaluates 5.5V to 16V Single-Supply Operation (EV System) the high-efficiency MAX98374 mono Class D audio USB Audio Streaming (EV System) amplifier featuring dynamic headroom tracking (DHT) Digital Audio Interface (DAI) and brownout protection. The EV system consists of the 2 I S, Left-Justified, Up to 16-Channel TDM MAX98374 development board (DEV board), Maxims SoundWire Compliant Audio Interface 1 (AUDINT1) board, and the MAX98374 Speaker Output (OUTP/OUTN) evaluation software. 2 I C-Compatible Device The MAX98374 DEV board is fully assembled and tested and contains the necessary circuitry and connections Windows 7- and Windows 10-Compatible Software to evaluate the MAX98374 device in the FCQFN or the Fully Assembled and Tested WLP package. It is recommended that the DEV board be evaluated with the AUDINT1 board, as an EV system. EV System Contents The MAX98374 requires two supply inputs, 5.5V to MAX98374 Development Board 16V (PVDD) and 1.71V to 1.89V (DVDD). It is capable of delivering 16W into an 8 load. Additionally, the Audio Interface 1 Board 2 MAX98374 supports standard I S, left-justified, TDM, and Two A to B Mini-USB Cables SoundWire digital audio formats. When evaluated as an EV system, the AUDINT1 board 2 2 provides the necessary logic rails, USB-to-I S and USB-to-I C interfaces that are needed to evaluate the MAX98374 DEV Ordering Information appears at end of data sheet. board with only a single external power supply. The Simplified FCQFN EV System Block Diagram provides an image of the EV system, highlighting the key areas on each board. SoundWire is a registered trademark of MIPI Alliance Corp. Communication with the DEV board is facilitated by Windows is a registered trademark and registered service mark Windows 7- and Windows 10-compatible software that of Microsoft Corp. provides a simple and intuitive graphical user interface (GUI). The MAX98374 evaluation software is only for use with the MAX98374 EV system. Simplified FCQFN EV System Block Diagram AUDIO INTERFACE BOARD 1 JU4 MSEL, MCLK J3B ICC PVDD GND USB J3A I2S DVDD AUDIO FOUTP J3 USB2 MAX98374 I2C DEMO SW1 U1 J1 J1 EVAL DVDD 1.2V/1.8V/3.3V USB1 J2 I2C FOUTN USB VIO CONTROL 1.8V/3.3V JU6 AUTOMATIC SW2 MAX98374 FCQFN DEVELOPMENT BOARD CONFIGURATION 319-100205 Rev 0 5/18 DAI DAIEvaluates: MAX98374 MAX98374 Evaluation System Simplified WLP EV System Block Diagram AUDIO INTERFACE BOARD 1 JU4 MSEL, MCLK J3B ICC PVDD GND USB J3A I2S DVDD AUDIO FOUTP J3 USB2 MAX98374 I2C DEMO SW1 U1 J1 J1 EVAL DVDD 1.2V/1.8V/3.3V J2 USB1 I2C FOUTN USB VIO CONTROL 1.8V/3.3V JU6 AUTOMATIC SW2 CONFIGURATION MAX98374 WLP DEVELOPMENT BOARD Procedure Quick Start The MAX98374 and AUDINT1 boards are fully assembled Required Equipment and tested. Follow the steps below to setup the EV MAX98374EVSYS System for device evaluation. MAX98374DEV Software Install MAXAUDINT001 1) For the latest software, login to your MyMaxim account Two A to B Mini-USB cables at Maximintegrated.com, navigate to MAX98374 > Design Resources > MAX98374 Evaluation Software 4 to 8 speaker > MAX98374EVSw-SetupVxx.zip, select to start 5.5V to 16V DC power supply the download. Extract the downloaded folder to a USB audio source (e.g., Windows Media Player or temporary location. iTunes ) 2) Install the software and USB driver on your computer by running the program installer MAX98374EVSwSetup. User-supplied Windows 7 or Windows 10 PC with exe. Program files are copied, and icons are two available USB ports created in the Windows Start Programs Maxim Required Software Integrated MAX98374 Evaluation Software folder. MAX98374 evaluation software (installer: Follow the installer prompts to completion. For first time MAX98374EVSwSetupVxx.exe) installations, at the Select Additional Tasks page, be sure the Install FTDI USB Driver (Audio Interface Note: In the following sections, software-related items are 1) check box is selected as shown in Figure 1. The identified by bolding. Text in bold refers to items directly 2 FTDI drivers are needed for I C communication with from the evaluation software. Text in bold and under- the device through the Audio Interface 1 application lined refers to items from the Windows operating system. board. Windows might display a message indicating Reference Material that this software is from an unknown publisher. This Audio Interface 1 data sheet is not an error condition and it is safe to proceed with the installation. MAX98374 IC data sheet Windows Media is a registered trademark and registered iTunes is a registered trademark of Apple, Inc. service mark of Microsoft Corp. Maxim Integrated 2 www.maximintegrated.com DAI DAI