UDA1334A I2S DAC Stereo Decoder Module

UDA1334A I2S DAC Stereo Decoder Module is a high-performance digital-to-analog converter (DAC) module based on the NXP UDA1334A chipset. It allows high-quality audio output from digital I2S sources such as Raspberry Pi, ESP32, STM32, or other microcontrollers with I2S support. This compact board offers 24-bit stereo audio playback with low distortion and noise, ideal for embedded audio systems and Hi-Fi applications.

Key Features:

• I2S Input: Supports standard 3-wire I2S digital audio input (LRCK, BCLK, DATA).
• High-Quality Audio: 24-bit resolution and up to 96kHz sample rate.
• Built-in Headphone Amp: Supports direct headphone or amplifier connection.
• Low Power Consumption: Ideal for battery-powered or portable systems.
• Compact Size: Fits easily in embedded or DIY audio projects.

Technical Specifications:

• DAC Chip: NXP UDA1334A
• Input Interface: I2S (BCLK, LRCK, DIN)
• Audio Output: Stereo Line Out (L/R)
• Sampling Rate: Up to 96kHz
• Bit Depth: 16, 18, 20, or 24-bit
• THD+N: < 0.02%
• Dynamic Range: 98 dB typical
• Operating Voltage: 3.3V–5V DC
• Power Consumption: Low power, < 10mA typical

Mechanical Specifications:

• Board Dimensions: Approx. 25mm x 20mm
• Mounting Holes: 2x M2 holes for secure mounting
• Connectors: Standard 2.54mm pitch headers

Pinout and Connections:

• GND: Ground
• VCC: 3.3V to 5V power supply
• BCLK: Bit Clock
• LRCK: Left-Right Clock
• DATA: I2S Serial Audio Input
• OUT L: Left Audio Output
• OUT R: Right Audio Output

Connection Guide:

• Connect VCC and GND to 3.3V or 5V regulated supply.
• Connect BCLK, LRCK, and DATA to I2S pins of microcontroller.
• Connect OUT L and OUT R to amplifier or headphones.

Datasheet and Documentation:

• Download UDA1334A Datasheet for electrical and timing specs

Applications:

• Raspberry Pi Audio Output: Enhance Pi audio with Hi-Fi quality.
• ESP32 Audio Projects: Add stereo DAC to ESP32 with I2S.
• DIY Hi-Fi Systems: Used in custom Bluetooth or Wi-Fi speakers.
• Portable Audio Players: Low-power stereo output for music devices.
• Embedded Sound Systems: Used in vending machines, kiosks, etc.

Equivalent Models:

• PCM5102A I2S DAC: Alternative DAC with similar specs.
• MAX98357A: I2S DAC with built-in Class D amplifier.
• ES9023: High-fidelity 24-bit DAC module.

Package Includes:

• 1 x UDA1334A I2S DAC Stereo Decoder Module