BackgroundAmbiq Audio Add on Card

AMAUD1 Audio Add-On Card

Accelerate Voice and Audio Edge AI Development

The AMAUD1 Audio Add-On Card extends compatible Ambiq evaluation boards with flexible audio input, output, and processing capabilities. Featuring a low-power audio codec, integrated microphones, and configurable interfaces, it provides a hardware platform for prototyping and evaluating voice and audio applications.

01

Flexible Audio Inputs

Capture audio through two I2S microphones, two analog MEMS microphones, or a stereo analog input.

02

Integrated Audio Processing

Evaluate audio signal paths with an onboard ADAU1777 low-power audio codec and processor.

03

Versatile Audio Outputs

Support audio playback and output evaluation with stereo analog and dual mono differential outputs.

04

Seamless EVB Integration

Connect to supported Ambiq EVBs through a high-speed connector with configurable I2S and I2C interfaces.

Specification

Compatible Ambiq EVBs

  • Apollo510D Lite Series EVB
  • Apollo330M Plus Series EVB
  • Apollo510B EVB*

Audio Processing

  • ADAU1777BCBZRL low-power audio codec with audio processor

Digital Audio Inputs

  • 2× I2S microphones, left and right channels

Analog Audio Inputs

  • 2× analog MEMS microphones; stereo analog input jack

Analog Audio Outputs

  • Stereo analog output jack; 2× mono differential output terminal blocks

Audio & Control Interfaces

  • Configurable I2S and I2C connections

Clocking Options

  • Onboard 24.576 MHz oscillator; external clock via SMA; supported EVB clock options

EVB Connectivity

  • High-speed board-to-board connector

Power Management

  • Powered by connected EVB; configurable codec power rails and current measurement headers

Package Contents

  • AMAUD1 Audio Add-On Card, Revision 1.0; extra jumpers

Compatibility and Configuration Note*

  • The AMAUD1 ships configured for Apollo510D Lite Series and Apollo330M Plus Series EVBs, with no hardware modifications required. Use with the Apollo510B EVB requires resistor configuration changes described in the Quick Start Guide.
  • The card supports Apollo510B at the hardware level, but the referenced AmbiqSuiteC 5.2.0 release does not include an out-of-the-box audio example for that platform.

Where to Buy

AMAUD1 Audio Add On Card PNG

AMAUD1 Audio Add-On Card is for Apollo510D Lite, Apollo330M Plus & Apollo510B.

Design Resources

Additional Documentation

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Frequently Asked Questions (FAQ)

  • The AMAUD1 Audio Add-On Card extends compatible Ambiq evaluation boards with audio input, output, and processing capabilities for prototyping and evaluating voice and audio applications.

  • The AMAUD1 Audio Add-On Card supports prototyping and evaluation of voice and audio applications, including smart wearables, voice-controlled IoT devices, wireless audio accessories, and industrial sound monitoring systems. Its flexible audio input, output, and processing capabilities help developers explore audio sensing, voice interfaces, and Edge AI applications on compatible Ambiq platforms.

  • AMAUD1 supports Apollo510D Lite Series, Apollo330M Plus Series, and Apollo510B evaluation boards. Apollo510B requires additional hardware configuration as described in the Quick Start Guide.

  •  
    Yes. AMAUD1 integrates an ADAU1777 low-power audio codec with audio processing capabilities, along with configurable I2S and I2C interfaces for integration with supported Ambiq evaluation boards.

  • AMAUD1 features two I2S microphones, two analog MEMS microphones, and a stereo analog input. Output options include a stereo analog jack and two mono differential outputs.

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