Description

The MAX98357A DAC I2S Class D Amplifier Module brings powerful and efficient audio amplification to your digital projects. Designed by Maxim, this plug-and-play solution combines compact form factor, high efficiency, and outstanding sound quality. Achieving up to 3.2W of output power, it delivers Class AB amplifier fidelity with the efficiency of Class D technology. Perfect for use with microcontrollers and development boards such as Raspberry Pi, Arduino, and ESP32, it simplifies integration while maintaining excellent audio performance.

Why Choose the MAX98357A DAC?

The MAX98357A stands out for its ease of use and adaptability. With no need for a master clock (MCLK), it supports 35 clock configurations and 128 digital audio formats. Its plug-and-play nature and flexible pinout ensure quick setup for any project requiring high-quality digital-to-analogue audio conversion and amplification. Ideal for creating compact, efficient, and cost-effective audio solutions, the MAX98357A is a favourite among hobbyists and professionals alike.

Key Features

High Output Power:

• 3.2W at 4Ω and 10% THD.
• 1.8W at 8Ω and 10% THD.

Broad I2S Sampling Rate: Supports 8kHz to 96kHz sampling rates.
No Master Clock Required: Simplifies integration by eliminating the need for MCLK.
Plug-and-Play Functionality: Automatically configures clocks and audio formats with a single power supply.
Compact and Efficient: Class D efficiency with Class AB fidelity in a small form factor.
Versatile Compatibility: Works seamlessly with Raspberry Pi, Arduino, ESP32, and other microcontrollers or development boards with I2S audio output.
Multiple Gain Options: Configurable gain settings (3dB/6dB/9dB) to suit your project needs.
Robust Pinout Design: Includes easy-to-understand connections for seamless integration:

• LRC: Frame Clock for I2S and LJ modes or Sync Clock for TDM mode.
• BCLK: Bit Clock Input.
• DIN: Digital Input Signal.
• GAIN: Gain and Channel Selection.
• SD: Shutdown and Channel Select.
• VCC: DC 2.5V-5.5V power supply.
• GND: Ground connection.

Technical Specifications

Output Power: Up to 3.2W at 4Ω, 1.8W at 8Ω.
I2S Sampling Rate: 8kHz–96kHz.
Supported Audio Formats: 128 digital formats.
Supply Voltage: 2.5V–5.5V.
Gain Options: 3dB, 6dB, 9dB.
Pin Functions: LRC, BCLK, DIN, GAIN, SD, VCC, GND.
Compatibility: Microcontrollers and development boards with I2S output (e.g., Raspberry Pi, Arduino, ESP32).

With its versatile features and exceptional performance, the MAX98357A DAC I2C Class D Amplifier Module is the perfect choice for high-fidelity digital audio amplification in compact and efficient designs.