Product description
Adafruit MAX98357A is a compact I2S amplifier breakout with a Class D amplifier for 1 channel (mono audio). The board receives digital I2S audio, converts the signal to analog audio, and drives a speaker directly. It is suitable for projects with Raspberry Pi, ESP32, and other microcontrollers or single-board computers with I2S audio output. Supplied with pin headers (not pre-soldered).
Specifications:
- Product: Adafruit I2S 3W Class D Amplifier Breakout - MAX98357A
- Amplifier type: Class D
- Audio input: I2S
- Output power: 3.2W at 4Ω, 10% THD, with 5V supply
- Output power: 1.8W at 8Ω, 10% THD, with 5V supply
- Supply voltage: 2.7 to 5.5VDC
- Logic level: 3.3V or 5V
- Sampling rate: 8 to 96 kHz
- MCLK: Not required
- Gain: 3dB, 6dB, 9dB, 12dB or 15dB
- Default gain: 9dB
- PSRR: 77dB typical at 1 kHz
- Protection: Thermal protection
- Connection: Screw terminal (pre-soldered) and pin headers (included, but not pre-soldered)
- Dimensions: 19.4 x 17.8 x 3.0 mm
