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The GY-PCM5102 I2S DAC Module is a high-end digital-to-analog converter that bypasses the noisy onboard audio of your microcontroller to deliver pure, high-fidelity sound. Based on the Texas Instruments PCM5102A chip, it utilizes the I2S protocol to handle digital audio data with incredible precision. Whether you are building an internet radio, a high-end Bluetooth receiver, or a smart home voice system, this module provides the “lossless” audio quality your project deserves.
HiFi Audio Quality: Supports up to $32\text{-bit}$ audio data and a staggering $384\text{kHz}$ sampling rate.
Superior Dynamics: A $112\text{dB}$ Dynamic Range and Signal-to-Noise Ratio (SNR) for crystal-clear playback.
Integrated 3.5mm Jack: Gold-plated audio jack for direct headphone or external amplifier connection.
Self-Generating Clock: Features an internal PLL that generates its own Master Clock (MCLK) from the I2S Bit Clock—saving you a wire!
Low Noise Design: Onboard voltage regulation ensures the analog audio signal remains free from digital interference.
| Feature | Specification |
| DAC Chip | PCM5102A |
| Input Interface | I2S (Inter-IC Sound) |
| Max Resolution | $32\text{ Bits}$ |
| Max Sampling Rate | $384\text{ kHz}$ |
| Signal-to-Noise Ratio | $112\text{ dB}$ |
| Supply Voltage | $3.3\text{V}$ to $5.0\text{V}$ DC |
| Logic Level | $3.3\text{V}$ (Ideal for Pi/ESP32) |
| Output Type | Stereo Line Out ($2.1\text{V}$ RMS) |
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