DA7212 I2S Audio Board For Raspberry Pi, Stereo Encoding/Decoding, Onboard Dual Microphones, Compatible With Raspberry Pi Series Boards

DESCRIPTION

DA7212 I2S Audio Board for Raspberry Pi
Supports stereo encoding/decoding and rich audio processing functions. Based on Raspberry Pi 40PIN GPIO header, compatible with Raspberry Pi series boards.

DA7212 Audio Chip

Stereo decoder, controlled through I2C, with audio transmitted via I2S

Onboard multi-type audio interfaces

Onboard 3.5mm headphone jack, AUX input connector, and speaker header

Onboard EEPROM Chip

Used for automatic driver loading in Raspberry Pi OS

What's On Board

Pin definition

Outline dimensions

FEATURES

• Based on Raspberry Pi 40PIN GPIO header, compatible with Raspberry Pi series boards
• Adopts DA7212 professional stereo DAC chip, controlled through I2C, with audio transmitted via I2S interface
• Onboard standard 3.5mm headphone jack, supports audio playback via external headphones
• Onboard AUX input connector for easy connection to other devices
• Onboard speaker screw terminal and dual channels PH2.0 speaker header, compatible with multiple application scenarios
• Onboard dual microphones allow for recording without connecting any additional devices
• Onboard programmable button and indicators for custom functions
• Supports sampling frequency up to 96KHz
• Supports up to 24-bit resolution audio data

TECHNICAL DETAILS

• Audio Codec Chip: DA7212
• DAC SNR: 100dB
• Power Supply: 5V
• ADC SNR: 90dB
• Logic Voltage: 3.3V
• Headphone Driver: 160mW (16Ω at 5V)
• Control Interface: I2C
• Speaker Driver: 2.6W per channel (4Ω BTL)
• Audio Interface: I2S

DOCUMENTS

• WIKI: docs.waveshare.com/DA7212-Audio-Board-A

SHIPPING LIST

• 1x DA7212 Audio Board (A)
• 1x 2x20PIN 2.54mm header
• 1x 8Ω 5W speaker
• 1x Screws pack