PCM5102A I2S DAC Decoder Module

PCM5102A I2S DAC Decoder Module

The PCM5102A I2S DAC Decoder Module is a high-quality stereo Digital-to-Analog Converter (DAC) designed to enhance the audio output quality of microcontrollers and single-board computers such as the Raspberry Pi, ESP32, and Arduino. This module efficiently receives digital audio data via the I2S (Inter-IC Sound) interface and converts it into a crystal-clear analog signal suitable for amplification or direct use with headphones through the onboard 3.5mm stereo jack.

A key feature of the PCM5102 is its advanced architecture, which does not require an external Master Clock (MCLK) signal for operation; this simplifies wiring and reduces clock jitter, thereby delivering superior audio quality.

If you are building a custom music player, streamer, or high-fidelity (Hi-Fi) audio system, this DAC offers a significant improvement over the often noisy, low-resolution analog outputs found on many development boards.

Specifications

• DAC Chip: PCM5102
• Interface: I2S (Digital Audio)
• Resolution: 24-bit
• Sampling Rate: Up to 384 kHz
• Operating Voltage (VCC): 3.3V - 5V (Logic Level Varies)
• Analog Output: 3.5mm Stereo Jack
• Signal-to-Noise Ratio (SNR): Typically 106 dB

Pinout