The Rohm Semiconductor BD34700FV-E2 is a high-performance, low-power audio digital-to-analog converter (DAC). This DAC is designed for high-resolution audio applications, offering exceptional sound quality and low distortion. Its advanced features make it suitable for a wide range of audio equipment, from portable players to high-end home audio systems.

Applications

• High-Resolution Audio Players: Used in portable and stationary audio players to deliver high-fidelity sound.
• Home Audio Systems: Integrated into amplifiers, receivers, and DACs to enhance audio quality.
• Automotive Audio Systems: Employed in car audio systems for premium sound reproduction.
• Professional Audio Equipment: Used in studio mixers, audio interfaces, and recording devices.
• Gaming Consoles: Provides high-quality audio output for immersive gaming experiences.

Features

• High Resolution: Supports up to 32-bit/384kHz audio data.
• Low Distortion: Achieves a very low total harmonic distortion plus noise (THD+N) for clean audio output.
• Low Power Consumption: Optimized for energy efficiency, making it suitable for portable devices.
• Digital Filters: Includes advanced digital filters to minimize noise and improve audio clarity.
• I2S Interface: Uses a standard I2S interface for easy integration with other audio components.

Benefits

• Superior Audio Quality: Delivers clear, detailed, and accurate sound reproduction.
• Extended Battery Life: Low power consumption allows for longer usage in portable devices.
• Reduced Noise: Advanced digital filters minimize unwanted noise and artifacts.
• Easy Integration: Standard I2S interface simplifies the design process.
• Compact Design: Small footprint allows for use in space-constrained applications.

Additional Details

The BD34700FV-E2 operates with a supply voltage of 3.0V to 3.6V for the analog section and 1.7V to 3.6V for the digital section. It features a signal-to-noise ratio (SNR) of typically 115dB or higher. The device is available in a compact VQFN package. It incorporates a de-emphasis filter for CD playback and supports various audio formats. The DAC also includes built-in protection circuits to ensure robust performance and prevent damage from overvoltage or short circuits.