🏆 MAX98357 I2S/BGA Audio Amplifier Module is a cutting-edge audio amplifier solution designed to enhance sound quality in various electronic projects, particularly those involving Raspberry Pi, ESP32, and other microcontroller systems. This filterless Class D amplifier board stands out due to its exceptional performance and user-friendly design, making it an ideal choice for hobbyists and professionals alike.
🔧 Key Features:
- Constructed from high-quality materials, ensuring durability and long-lasting performance.
- Employs digital inputs with high noise resistance and improved jitter tolerance, delivering sound quality that is at least 8dB better than standard solutions.
- Combines the sound fidelity of a 3.2W Class AB amplifier with the power efficiency of a Class D design.
- Offers excellent electromagnetic interference (EMI) suppression, enabling the use of long speaker wires without requiring additional filtering components.
- Delivers outstanding high-fidelity sound effects, making it suitable for a wide range of audio applications.
🔊 Technical Specifications:
- Output Power:
- 3.2W at 4 Ω, THD at 10%
- 1.8W at 8 Ω, THD at 10%
- I2S Sampling Rate: 8kHz to 96kHz
- Amplifier Gain Options: 3dB, 6dB, 9dB, 12dB, and 15dB
- No Master Clock (MCLK) Needed: Simplifies integration with your audio sources.
- Plug and Play Functionality: Automatically configures 35 different clocks and supports 128 digital audio formats with a single power source.
- Compatibility: Designed for use with a variety of microcontrollers and development boards that feature I2S audio output.
⚡ Pin Description:
- VCC: Positive terminal of power supply (DC 2.5V~5.5V)
- GND: Ground connection
- SD: Shutdown and channel selection pin; pull down to disable
- GAIN: Adjusts gain and selects channel; fixed at 12dB in TDM mode
- DIN: Digital audio input signal
- BCLK: Bit clock input
- LRC: Left/right clock for I2S and UJ modes; synchronous clock for TDM mode
🪶 This amplifier module comes with the necessary components, including the amplifier module itself, a set of row pins, and terminals, providing everything you need to get started on your audio project.
