The AK4394VF is a 24-bit, 192 kHz sampling stereo DAC (Digital-to-Analog Converter) from Asahi Kasei Microsystems (AKM). This DAC is designed for high-end audio applications requiring exceptional audio quality, such as high-resolution audio players, AV receivers, and professional audio equipment. It boasts low distortion, high dynamic range, and versatile digital input options.

Applications:

• High-Resolution Audio Players
• AV Receivers
• Professional Audio Equipment
• Sound Cards
• Digital Mixing Consoles
• CD Recorders

Features:

• 24-bit resolution: Offers high-resolution audio conversion for detailed sound reproduction.
• 192 kHz sampling rate: Supports high-frequency audio signals, capturing a wider range of audio content.
• Stereo DAC: Provides two channels of analog audio output.
• Low distortion: Minimizes unwanted harmonic distortion for a cleaner audio signal.
• High dynamic range: Enables a wider range between the quietest and loudest sounds, resulting in a more realistic listening experience.
• Digital filter with selectable roll-off characteristics: Allows customization of the audio output to suit different preferences and applications.
• DSD (Direct Stream Digital) input support: Compatible with DSD audio signals, which are commonly used in high-resolution audio formats.
• I2S and DSD digital audio interfaces: Offers versatile connectivity options for various audio sources.

Benefits:

• Exceptional Audio Performance: Low distortion and high dynamic range provide a superior listening experience.
• Versatile Application: Suitable for a broad range of high-end audio systems and professional audio equipment.
• Customizable Audio Output: Selectable digital filter characteristics enable tailoring the audio output to specific needs.
• High-Resolution Audio Support: DSD input capability allows playback of high-resolution audio formats.
• Flexible Connectivity: I2S and DSD interfaces simplify integration with various audio sources and processors.

Additional Details:

The AK4394VF operates from a 5V power supply and is typically available in a VQFP package. Its THD+N (Total Harmonic Distortion plus Noise) is typically -95dB, and its dynamic range is 117dB. It incorporates a switched-capacitor filter and a multi-bit delta-sigma modulator for high-performance audio conversion. The DAC is often used in audio equipment that demands the highest level of audio fidelity. It is a popular choice for audiophiles and audio professionals alike due to its excellent performance and features.