The AK4393VM-E2 is a high-performance 24-bit digital-to-analog converter (DAC) from Asahi Kasei Microsystems (AKM). It's designed for audio applications where high fidelity and low distortion are critical. It employs AKM’s advanced multi-bit delta-sigma architecture, contributing to its wide dynamic range and excellent signal-to-noise ratio. The AK4393VM-E2 incorporates a digital filter with selectable characteristics and a differential output, further enhancing its performance.

Applications:

• High-end audio equipment
• AV receivers
• CD players
• DVD players
• Sound cards
• Professional audio interfaces

Features:

• 24-bit resolution
• High dynamic range (114dB)
• Low THD+N (-100dB)
• Sampling rates up to 192kHz
• Selectable digital filter characteristics (Sharp/Slow roll-off)
• Differential output
• DSD (Direct Stream Digital) data input
• Internal PLL (Phase-Locked Loop) for low jitter
• Small VQFN package

Benefits:

• Exceptional audio quality: Delivers high-fidelity audio reproduction with wide dynamic range and minimal distortion.
• Flexible design: Selectable digital filter characteristics allow for optimization based on application requirements.
• Simplified clocking: The integrated PLL reduces the need for external clock circuitry.
• Enhanced noise immunity: Differential output reduces common-mode noise.
• Compact size: The VQFN package minimizes board space.

The AK4393VM-E2 offers two digital filter settings: a sharp roll-off filter for optimal frequency response and a slow roll-off filter for improved transient response. The integrated PLL helps reduce clock jitter, further improving audio quality. The differential output provides better noise immunity than single-ended outputs. It supports both PCM (Pulse-Code Modulation) and DSD data formats. The device operates on a single 5V power supply for analog and a 3.3V supply for digital circuitry. It communicates with the host processor via a serial audio interface, allowing for easy integration into digital audio systems. Internal oversampling techniques further enhance audio performance, reducing quantization noise.