CS4398-CZZ

ADCs/DACs - Special Purpose Overview

The CS4398-CZZ is a stereo 24-bit/192 kHz digital-to-analog converter (DAC) from Cirrus Logic, housed in a 28-pin TSSOP package. It utilizes an advanced multibit Delta-Sigma architecture with mismatch shaping technology to achieve a dynamic range of 120 dB and a THD+N of -107 dB. The device supports PCM data up to 216 kHz sampling rates and Direct Stream Digital (DSD) audio formats. Key features include integrated volume control with 0.5 dB steps, selectable digital interpolation filters, and differential analog outputs. It operates with analog supply voltages between 4.75 V and 5.25 V.

ADCs/DACs - Special Purpose Feature Summary

• Advanced Multibit Delta-Sigma Architecture: Provides 120 dB dynamic range and -107 dB THD+N with low clock jitter sensitivity.
• PCM and DSD Support: Accepts PCM data up to 216 kHz and includes dedicated pins for DSD input with on-chip 50 kHz filtering.
• Integrated Control Features: Includes half-dB step size volume control with soft ramp, ATAPI channel mixing, and selectable de-emphasis.
• Flexible Interface Options: Supports standalone hardware configuration or I²C/SPI control port modes with embedded level translators for 1.8 V to 5 V inputs.

ADCs/DACs - Special Purpose Applications

• DVD Players
• SACD Players
• A/V Receivers
• Professional Audio Products

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific ordering suffix '-CZZ' corresponds to the rail container format as listed in the datasheet. Confirm that the commercial temperature grade (-10°C to +70°C) meets the design requirements. Check current production status, as older Cirrus Logic DAC models may have limited availability or be subject to obsolescence notices.

ADCs/DACs - Special Purpose Selection Notes

Select this component for high-fidelity stereo audio applications requiring 24-bit resolution and 192 kHz sampling rates. Ensure the power supply design accommodates the specified voltage ranges: VA at 4.75–5.25 V and VD at 3.1–5.25 V. Consider the 28-pin TSSOP package dimensions if board space is constrained. Verify compatibility with the host system's audio interface protocol, whether using standalone mode or I²C/SPI control.

ADCs/DACs - Special Purpose Part Context

The CS4398 is part of Cirrus Logic's MasterHIFI audio product line, designed for high-performance digital-to-analog conversion. The CS4398-CZZ specifically denotes the commercial grade version packaged in rails. It serves as a complete stereo DAC system, integrating digital filters, modulators, and analog output stages into a single chip to simplify circuit design for premium audio equipment.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source material. Designers should consult Cirrus Logic for current recommended replacements or updated series components if the CS4398 is no longer available for new designs.