High - Performance I2S/BGA Filterless Class D Audio Amplifier Module (I2S - A)

🏆 Overview:
The MAX98357 I2S/BGA Audio Amplifier Module is a state-of-the-art audio amplifier designed for enthusiasts and developers who demand high-quality sound reproduction. Specifically engineered for platforms like Raspberry Pi and ESP32, this filterless Class D amplifier merges superior sound performance with remarkable efficiency.

🛡️ Key Features:
1. Premium Build Quality: Crafted from high-quality materials, this module is not only durable but also practical for a wide range of applications.
2. Exceptional Sound Quality: The MAX98357 utilizes advanced digital inputs engineered to provide high noise resistance and superior jitter tolerance, boasting performance that is at least 8dB better than typical audio solutions.
3. High Performance: It delivers stable audio performance by achieving the rich sound quality of a 3.2W Class AB amplifier while retaining the efficiency of a Class D amplifier.
4. Electromagnetic Interference Suppression: Designed with excellent EMI suppression, this amplifier allows for the use of extended wire lengths connecting speakers without the requirement for additional external filtering.
5. Versatile Applications: With its high fidelity sound output, this module is suitable for various projects, making it an ideal choice for both amateur and professional audio applications.

⚡ Technical Specifications:
- Output Power: 3.2W at 4 Ω with Total Harmonic Distortion (THD) at 10%; 1.8W at 8 Ω with THD at 10%
- I2S Sampling Rate: Supports a range from 8KHz to 96KHz
- Amplifier Gain Options: Allows selection of gains at 3dB, 6dB, 9dB, 12dB, and 15dB
- No Master Clock Requirement: Eliminates the need for a master clock (MCLK), enabling a hassle-free setup
- Plug and Play Functionality: Simply connect to a power source, and it will automatically configure itself for 35 different clocks and 128 digital audio formats.

Compatibility:
This amplifier module is designed to integrate seamlessly with popular tools such as Raspberry Pi, Arduino, and ESP32, making it a perfect addition to any microcontroller or development board system equipped with I2S audio output.

Pin Description:
- VCC: Positive power supply input (DC 2.5V~5.5V)
- GND: Ground connection
- SD: Shutdown and channel selection; pulling down the MODE will disable the device
- GAIN: Gain and channel selection; in TDM mode, the gain is fixed at 12dB
- DIN: Digital audio input signal
- BCLK: Bit clock input
- LRC: Left/right clock for I2S and UJ modes; synchronous clock for TDM mode

📦 Package Includes:
1 x MAX98357 Audio Amplifier Module, 1 x row of pins, 1 x terminal block