Premium 3W Class D Amplifier Breakout Interface with I2S DAC Decoder (5PCS MAX98357)

Introducing the High-Quality MAX98357 MAX98357A I2S 3W Class D Amplifier Breakout Interface

📦 The MAX98357 and MAX98358 digital input Class D audio power amplifiers have been expertly engineered by Maxim to provide designers with a compact and efficient solution for audio amplification. These breakthrough devices feature an impressively small form factor while delivering a powerful 3.2W of output with Class AB amplifier sound quality. With the added advantage of Class D efficiency, users are guaranteed exceptional high-fidelity sound, making the MAX98357 series ideal for a variety of applications, from portable devices to integrated audio systems.

🎯 Utilizing advanced digital input technologies, the MAX98357 supports Pulse Code Modulation (PCM), while the MAX98358 incorporates Pulse Density Modulation (PDM). One of the standout features is the flexible pin arrangement that allows designers to significantly reduce component count and overall size compared to traditional analog amplifier solutions. As many users prefer digital volume control, this design choice maximizes the benefits of Maxim's cost-effective wafer-level package (WLP), eliminating the need for complex and costly PCB vias.

🔍 Designed for superior sound quality, the amplifier boasts high noise resistance and remarkable jitter tolerance, outperforming many competing solutions by at least 8dB. Additionally, it incorporates excellent electromagnetic interference (EMI) suppression, ensuring clear audio even in challenging environments. The MAX98357 series allows for long speaker wire runs without the need for additional external filtering, providing flexibility in installation.

🔧 Key Product Features:

• Output Power: 3.2W at 49 Ohms; 1.8W at 8 Ohms, both with 10% Total Harmonic Distortion (THD)
• I2S Sampling Rate: Ranges from 8 KHz to 96 KHz
• Selectable Class D Amplifier Gain: Options of 3dB, 6dB, 9dB, 12dB, and 15dB, with no master clock (MCLK) required
• Plug and Play: Configures automatically with a single power supply for 35 different clock settings and 128 digital audio formats
• Compatibility: Ideal for integration with Raspberry Pi, Arduino, ESP32, and other microcontrollers or development boards with I2S audio output

⚙️ Pin Specifications:

• LRC: Left/Right clock synchronization used in TDM mode
• BCLK: Bit clock input
• DIN: Digital input signal
• GAIN: Determines gain and channel selection; in TDM mode, gain is fixed at 12dB
• SD: Device shutdown and channel selection; pulling SD_MODE low turns the device off
• GND: Ground connection
• VCC: Positive power supply; accepts DC voltages from 2.5V to 5.5V

💍 Whether utilized in high-performance audio applications or simpler audio projects, the MAX98357 series stands as a testament to Maxim's commitment to innovation in audio technology, offering an efficient, reliable, and powerful amplification solution. Experience the evolution of sound quality with the MAX98357 and MAX98358 amplifiers.