EmbeddedRelated.com
    Parts    MAX98357EVSYS#WLP
MAX98357EVSYS#WLP

ADIMAX98357EVSYS#WLP

Analog Devices Inc./Maxim Integrated
MAX98357 - 1-Channel (Mono) Output Class D Audio Amplifier Evaluation Board
Active2 in stock
Datasheet Digi-Key Compare Prices

Overview

The MAX98357EVSYS#WLP is an evaluation system for the MAX98357 digital input Class D audio amplifier. This board allows engineers to evaluate a single-channel mono audio solution that accepts I2S or left-justified data and converts it to a filtered PWM output. It is designed to drive up to 3.2W into a 4-ohm load from a 5V supply.

Why Choose This Part

The system eliminates the need for an external DAC by integrating the digital-to-analog conversion directly into the Class D amplifier stage. It offers high efficiency for thermal management in small enclosures and features a filterless architecture to reduce the external component count and PCB footprint.

Applications

Single-Board Computer Audio
Adding audio output to Raspberry Pi or similar SBCs using the standard I2S interface without an external DAC.
Battery-Powered Speakers
Portable mono speakers requiring high efficiency and a wide supply range of 2.5V to 5.5V.
IoT Voice Notifications
Integrating voice prompts or alert sounds into smart home appliances and connected devices.

Key Specifications

Contents Board(s)
Output Type 1-Channel (Mono)
Amplifier Type Class D
Voltage - Supply 2.5V ~ 5.5V
Utilized IC / Part MAX98357
Max Output Power x Channels @ Load 3.2W x 1 @ 4Ohm

Getting Started

Connect a digital audio source providing I2S or left-justified data to the headers and attach a 4-ohm or 8-ohm speaker to the output terminals. The board supports supply voltages from 2.5V to 5.5V, making it compatible with Li-ion batteries or standard 5V rails. Configuration for channel selection (Left, Right, or Mono-mix) is handled via a three-level gain/slot selection pin.

MAX98357 Family

Part NumberDifferenceStock
MAX98357A (Maxim Integrated) A 9,054
MAX98357AETE+T (Analog Devices / Maxim Integrated) AETE+T 10,190
MAX98357BEWL+T (Analog Devices / Maxim Integrated) BEWL+T 2,212
MAX98357AEWL+T (Analog Devices / Maxim Integrated) AEWL+T 3,672

Also Consider

MAX98357A IC ADIAnalog Devices Inc. - This is the standalone WLP IC for high-density production designs once prototyping on the evaluation system is complete.