Stereo I2S Audio Amplifier - Overview
Stereo I2S Audio Amplifier
This digital audio amplifier board uses two MAX98357A Class D amplifiers to provide high-quality stereo audio output from an I2S digital audio interface. This amplifier board delivers 3 watts of power per channel and can be configured to produce a left channel, right channel or stereo output. Also, it features onboard gain selection jumpers (6dB, 9dB, 12dB, or 15dB), allowing you to optimize output levels for different speaker applications. The board can be powered from 3.3V and 5V and supports sample rates of 8kHz to 96kHz. Typically used in custom music players, IoT devices, alarm systems, etc.
Stereo I2S Audio Amplifier
Which products is this documentation for?
Stereo I2S Audio Amplifier
333355
Key features
- 2 x MAX98357A digital I2S class D amplifiers
- Each chip handles one audio channel
- 3.2W Output Power into 4Ω at 5V
- Sample Rates of 8kHz to 96kHz
- Onboard jumpers for gain selection
- 92% Efficiency (RL = 8Ω, POUT = 1W)
- Breadboard-compatible design