MAX98357 I2S Amplifier Module
Digital I2S Class D amplifier module based on the MAX98357, delivering up to 2.5 W with multiple gain modes. Compact and designed for microcontrollers with I2S audio output.
Pinout
- SPK-Official table 4 row 1
Speaker negative / 4Ω/8Ω ＜3W
Type · ground - VCCOfficial table 4 row 2
Power input / DC 3.3V-5V
Type · power - GNDOfficial table 4 row 3
Ground /
Type · ground - NCOfficial table 4 row 4
Not connected pin /
Type · pin - SDOfficial table 4 row 5
Turn off amplifier, adjust sound channel / Refer to 4.1.2(SD Mode Description)
Start wiring
I2S · I2C · Analog · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: VCC, SPK+, SPK-, GND, GAIN, DIN, BCLK, LRC. Schematik maps them to your board in the app.
Amplifiers
15 other optionsMAX98357A and MAX98357 I2S class-D amps, PAM8403 and TPA2012 analog stereo amps, MAX9744 20W stereo amp, LM386 and PAM8302 mono amps, and discrete op-amp packs for signal-level work.
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