UDA1334A I2S DAC Stereo Decoder Module

UDA1334A I2S DAC Stereo Decoder Module is a high-performance digital-to-analog converter designed for converting I2S digital audio signals into high-quality analog stereo output. This module is widely used in DIY audio systems, Raspberry Pi, ESP32, and other microcontroller-based audio projects due to its small size, low power consumption, and impressive audio fidelity.

Key Features of UDA1334A I2S DAC Stereo Decoder Module:

• I2S Interface: Supports standard I2S input for compatibility with most audio controllers.
• High-Quality Stereo Output: Produces crystal-clear analog audio signals from digital sources.
• Low Power Consumption: Ideal for portable and battery-powered applications.
• Built-in Headphone Amplifier: Capable of driving earphones or line-level inputs directly.
• Compact Design: Easy to integrate in space-constrained projects and enclosures.

Technical Specifications of UDA1334A I2S DAC Stereo Decoder Module:

• DAC Chip: UDA1334A
• Input Signal: I2S (Inter-IC Sound)
• Output: Stereo Analog Audio (Left & Right channels)
• Power Supply: 3.3V to 5V DC
• Signal-to-Noise Ratio (SNR): 98dB (typical)
• Total Harmonic Distortion (THD+N): 0.01% (typical)

Mechanical Specifications of UDA1334A I2S DAC Stereo Decoder Module:

• Board Dimensions: Approximately 25mm x 20mm
• Mounting Holes: Yes, for easy attachment to enclosures
• Connector Type: Pin headers for power, I2S input, and audio output

Pinout Description:

• VIN: 3.3V – 5V Power Input
• GND: Ground
• BCK: Bit Clock
• LRCK: Left/Right Clock (Word Select)
• DATA: Serial Data Input
• OUTL: Analog Audio Left
• OUTR: Analog Audio Right

Wiring and Connection of UDA1334A Module:

• Connection to Microcontroller: Use I2S pins (BCK, LRCK, DATA) to interface with ESP32, Raspberry Pi, etc.
• Audio Output: Connect OUTL and OUTR to amplifier, speaker, or headphone circuit.

Datasheet of UDA1334A I2S DAC Stereo Decoder Module:

• Download UDA1334A Datasheet (PDF)

Applications of UDA1334A I2S DAC Stereo Decoder Module:

• DIY Audio Projects: Custom audio players, amplifiers, and mixers.
• ESP32 & Raspberry Pi Audio: I2S output to analog speaker systems.
• Bluetooth Audio Receiver: Use with Bluetooth modules for analog stereo output.
• Home Automation: Voice feedback and alert systems with quality audio output.
• Educational Electronics Kits: Ideal for teaching digital-to-analog conversion concepts.

Equivalent of UDA1334A I2S DAC Stereo Decoder Module:

• PCM5102: High-fidelity DAC with better SNR and audio quality
• MAX98357A: Mono DAC with built-in amplifier for speaker output
• ES9023: High-quality stereo DAC for demanding audio applications

Package Includes:

• 1 x UDA1334A I2S DAC Stereo Decoder Module