MAX98357A I2S Digital Audio Amplifier Module 3W DAC
Product Overview
The MAX98357A I2S Digital Audio Amplifier Module 3W DAC is a compact Class-D mono audio amplifier with a built-in I2S digital-to-analog converter (DAC). It delivers up to 3W audio output and is ideal for ESP32, Raspberry Pi, Arduino, and embedded audio applications.
Description
The MAX98357A I2S Digital Audio Amplifier Module 3W DAC combines a high-quality digital-to-analog converter (DAC) and a Class-D audio amplifier into a compact module for embedded audio systems. Using the I2S digital audio interface, it converts digital audio directly into amplified speaker output without requiring an external DAC.
The module supports up to 3W mono speaker output (depending on the supply voltage and speaker impedance) while maintaining high efficiency and low power consumption. Its simple wiring and broad software support make it an excellent choice for ESP32, Raspberry Pi, Arduino-compatible boards with I2S support, and other embedded systems.
Common applications include smart speakers, voice assistants, IoT devices, portable audio systems, robotics, alarm systems, and digital sound playback.
Key Features
- MAX98357A Class-D audio amplifier IC
- Built-in high-quality I2S DAC
- Digital I2S audio input
- Up to 3W mono speaker output
- High-efficiency Class-D amplifier
- Low noise audio performance
- Compact PCB design
- No external DAC required
- Easy integration with embedded systems
- Low power consumption
- Suitable for battery-powered devices
- Supports digital audio playback
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Digital Audio Amplifier Module |
| Amplifier IC | MAX98357A |
| Amplifier Class | Class-D |
| Audio Interface | I2S |
| DAC | Built-in |
| Maximum Output Power | Up to 3W* |
| Output Channel | Mono |
| Operating Voltage | 2.5V–5.5V |
| Speaker Impedance | 4Ω–8Ω |
| PCB Type | Development Module |
*Maximum output depends on supply voltage and speaker impedance.
Product Attributes
| Attribute | Value |
|---|---|
| MAX98357A IC | Yes |
| I2S Interface | Yes |
| Built-in DAC | Yes |
| Class-D Amplifier | Yes |
| 3W Audio Output | Yes |
| Mono Output | Yes |
| High Efficiency | Yes |
| Low Power Consumption | Yes |
| ESP32 Compatible | Yes |
| Raspberry Pi Compatible | Yes |
| Arduino Compatible* | Yes |
| Embedded Audio Projects | Yes |
*Requires a development board with I2S support.
Pin Details
| Pin | Description |
|---|---|
| VIN | Power Supply Input |
| GND | Ground |
| DIN | I2S Digital Audio Data |
| BCLK | I2S Bit Clock |
| LRC | Left/Right Word Clock |
| GAIN | Gain Configuration |
| SD | Shutdown Control |
| SPK+ | Speaker Positive Output |
| SPK− | Speaker Negative Output |
Compatibility
Compatible with:
- ESP32 Development Boards
- Raspberry Pi
- Raspberry Pi Pico (with I2S implementation)
- STM32 Development Boards
- Arduino-compatible boards with I2S support
- ESP-IDF
- Arduino IDE
- PlatformIO
- MicroPython (supported platforms)
Applications
- Smart Speakers
- Voice Assistants
- IoT Audio Devices
- Embedded Audio Systems
- Digital Music Players
- Wireless Audio Projects
- Robotics
- Home Automation
- Alarm and Notification Systems
- Portable Audio Devices
- DIY Electronics Projects
- Educational Learning Kits
Package Includes
- 1 × MAX98357A I2S Digital Audio Amplifier Module 3W DAC
(Package contents may vary depending on the manufacturer or product revision.)
Buy in Pakistan
Buy the genuine MAX98357A I2S Digital Audio Amplifier Module 3W DAC from Chip.pk. Featuring a built-in I2S DAC, Class-D amplifier, and up to 3W mono output, it is ideal for ESP32, Raspberry Pi, STM32, Arduino-compatible I2S boards, IoT devices, smart speakers, and embedded audio applications. Chip.pk offers genuine electronic components, competitive prices, secure packaging, and fast nationwide delivery across Pakistan.
Why Choose Chip.pk?
- Genuine quality electronic components
- Quality-tested before dispatch
- Competitive prices
- Fast nationwide delivery across Pakistan
- Secure packaging
- Technical support for embedded and IoT projects
- Trusted supplier of Arduino, ESP32, Raspberry Pi, audio modules, sensors, robotics, and industrial automation products
- Reliable customer service and after-sales support
FAQs
1. What is the MAX98357A I2S Digital Audio Amplifier Module 3W DAC?
The MAX98357A I2S Digital Audio Amplifier Module 3W DAC is a compact digital audio module that combines a built-in I2S digital-to-analog converter (DAC) with a Class-D mono audio amplifier, delivering up to 3W output for embedded audio applications.
2. What is the maximum audio output power?
The module can deliver up to 3W mono output, depending on the supply voltage and speaker impedance.
3. Does this module have a built-in DAC?
Yes. The MAX98357A integrates a high-quality digital-to-analog converter (DAC), eliminating the need for an external DAC in most applications.
4. Which audio interface does this module use?
The module uses the I2S (Inter-IC Sound) digital audio interface for high-quality digital audio transmission.
5. Which development boards are compatible with this module?
The module is compatible with:
- ESP32 Development Boards
- Raspberry Pi
- STM32 Development Boards
- Arduino-compatible boards with I2S support
- Other microcontrollers supporting the I2S protocol
6. Can I use this module with ESP32?
Yes. The ESP32 is one of the most popular platforms for the MAX98357A because it provides native I2S support for high-quality digital audio output.
7. Can I connect a speaker directly to the module?
Yes. The module can directly drive a 4Ω or 8Ω speaker without requiring an external audio amplifier.
8. What operating voltage does this module support?
The module typically operates from 2.5V to 5.5V, making it suitable for most embedded systems and development boards.
9. What are the common applications of the MAX98357A module?
Common applications include:
- Smart Speakers
- Voice Assistants
- IoT Devices
- Robotics
- Digital Audio Playback
- Home Automation
- Alarm Systems
- Embedded Audio Projects
- Portable Audio Devices
- Educational Projects
10. Which programming platforms support this module?
The MAX98357A can be used with:
- Arduino IDE
- ESP-IDF
- PlatformIO
- MicroPython (supported platforms)
11. Where can I buy the MAX98357A I2S Digital Audio Amplifier Module 3W DAC in Pakistan?
You can purchase the genuine MAX98357A I2S Digital Audio Amplifier Module 3W DAC from Chip.pk with competitive prices, secure packaging, and fast nationwide delivery across Pakistan.
12. Where can I buy the MAX98357A I2S Digital Audio Amplifier Module 3W DAC in Lahore?
Customers in Lahore can order the original MAX98357A I2S Digital Audio Amplifier Module 3W DAC from Chip.pk with fast local delivery and reliable technical support.