The MAX98357 I2S audio amplifier module supports ESP32 Class D amplification without filter

Product Introduction

The MAX98357 pulse-code modulation (PCM) and MAX98358 pulse-density modulation (PDM) plug-and-play speaker amplifiers take advantage of the flexibility of Maxim's pinout. Compared to typical

analog amplifier solutions, the number of components is greatly reduced, thereby greatly reducing the solution size. Since most

users control the volume digitally upstream, these features allow users to take advantage of Maxim's cost-effective wafer-level packaging (WLP) without expensive PCB VIA. To achieve excellent sound quality, the devices use highly noise-immune digital inputs and have high jitter tolerance (at least 8dB better than competing solutions). The devices also provide excellent electromagnetic interference (EMI) suppression, allowing the use of long cable runs to connect

speakers without adding external filtering. In addition, the devices provide industry-leading Class D efficiency.

Product Features  

1. Output power: 3.2W at 4Q, THD 10%

1.8W at 8Q, THD 10%

2. 12S sampling rate: 8Khz~96Khz

3. Selectable Class D amplifier gain: 3dB/6dB

/9dB/12dB/15dB

4. No master clock (MCLK) required

5. Automatic configuration with only a single power supply

35 different plug-and-play: clocks and 128 digital audio formats

6. Suitable for Raspberry Pi, Arduino and ESP32 tools with microcontrollers or development board systems with I2S audio output

Product Photos

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