xcluma MAX98357 I2S DAC 3W Class D Mini Stereo Amplifier Module 3.3V-5V Electronic Components Electronic Hobby Kit

• The MAX98357 digital input Class D audio power amplifiers, enabling designers to implement compact, efficient plug-and-play solutions at a cost-effective price. • In addition to its small form factor, the device is capable of achieving a 3.2W Class AB amplifier with Class D amplifier efficiency, resulting in excellent high-fidelity sound for a variety of product applications. • The MAX98357 Pulse Code Modulation (PCM) plug-and-play speaker amplifiers take advantage of the flexibility of Maxim's pinout. 35 different clocks and 128 digital audio formats can be automatically configured with a single power supply. • For superior sound quality, the device uses a high noise immunity digital input with high jitter tolerance. It also provides excellent electromagnetic interference suppression, allowing long-line connected speakers without the need for external filtering. • Suitable for microcontrollers or development board systems with I2S audio output such as Raspberry Pi, Arduino and ESP32. Specification • 3.2 W output at 10% THD, 4 Ω impedance of the speaker and 5 V power supply • Operating voltage: 2.7 – 5.5 V • 77 dB PSRR at 1 kHz • Selectable gains: 3 dB, 6 dB, 9 dB, 12 dB, 15 dB • The I2S audio input supports 3.3V and 5V levels.