PCM5102A DAC Decoder GY‐PCM5102 I2S Player Module
The PCM5102A is a high-performance digital-to-analog converter (DAC) manufactured by Generic. It is designed to convert digital audio signals into high-quality analog audio output. The device supports the I2S (Inter-IC Sound) protocol for audio data input and is capable of processing 32-bit audio with sampling rates up to 384 kHz. With its low distortion, low noise, and high dynamic range, the PCM5102A is ideal for high-fidelity audio applications.
- Power Supply: Connect the digital (DVDD) and analog (AVDD) power supply pins to a stable 3.3V source. Ensure proper decoupling capacitors are placed close to the power pins to minimize noise.
- Grounding: Connect DGND and AGND to a common ground plane to avoid ground loops.
- I2S Interface:
- Connect the I2S signals (LRCK, BCK, and DIN) from your microcontroller or audio source to the corresponding pins on the PCM5102A.
- If a system clock (SCK) is required, provide a stable clock signal to the SCK pin.
- Audio Output: Connect the VOUTL and VOUTR pins to the left and right audio output channels, respectively. Use appropriate filtering or amplification circuits if needed.
- Control Pins:
- Use the FMT pin to select the desired audio format (e.g., I2S, left-justified, right-justified).
- Use the XSMT pin to enable or disable the soft mute feature.
- Use the FLT pin to select the desired filter response (e.g., sharp or slow roll-off).
- Data Sheet for PCM5100A