CS4362-KQZ

ADCs/DACs - Special Purpose Overview

The CS4362-KQZ is a 6-channel audio digital-to-analog converter (DAC) from Cirrus Logic, housed in a 48-pin LQFP package. It supports PCM data at sample rates up to 192 kHz and Direct Stream Digital (DSD) formats. The device features 24-bit conversion with a typical dynamic range of 114 dB and -100 dB THD+N. Operating temperatures range from -10°C to +70°C. Power supplies include analog (VA), digital internal (VD), serial interface (VLS), and control interface (VLC).

ADCs/DACs - Special Purpose Feature Summary

• Six independent DAC channels with integrated interpolation filters and analog filtering.
• Supports PCM sample rates from 4 kHz to 192 kHz and DSD audio data.
• Includes volume control with soft ramp and zero-crossing mute capabilities.
• Compatible with I²C or SPI control port interfaces for register configuration.

ADCs/DACs - Special Purpose Applications

• DVD players and SACD players.
• A/V receivers and digital televisions.
• Mixing consoles and effects processors.

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific KQZ suffix indicates the commercial temperature grade (-10°C to +70°C) rather than the extended industrial grade (-40°C to +85°C). Confirm that the 48-LQFP package dimensions match the target PCB footprint. Ensure power supply decoupling capacitors are placed close to VA, VD, VLS, and VLC pins as recommended in the datasheet.

ADCs/DACs - Special Purpose Selection Notes

Select this component for multi-channel high-fidelity audio systems requiring simultaneous support for two synchronous sample rates. Verify that the host processor can provide the necessary MCLK frequencies (up to 51.2 MHz) and serial data clocks. Check if the required digital filter characteristics (fast vs. slow roll-off) align with the application's audio processing needs.

ADCs/DACs - Special Purpose Part Context

The CS4362-KQZ belongs to the CS4362 family of complete 6-channel digital-to-analog systems. It integrates fifth-order delta-sigma conversion, digital de-emphasis, and volume control. The KQZ variant specifically denotes the commercial operating temperature range, distinguishing it from other thermal grades within the same functional architecture.

ADCs/DACs - Special Purpose Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should evaluate the CS4362A-CQZ for extended temperature requirements or consult manufacturer resources for current generation alternatives.

ADCs/DACs - Special Purpose FAQ

What is the maximum supported sample rate for PCM data?

The CS4362-KQZ supports PCM data at sample rates up to 192 kHz.

Does the device support DSD audio formats?

Yes, the CS4362-KQZ includes dedicated inputs and processing for Direct Stream Digital (DSD) audio data.

How does the volume control function operate?

The device features volume control with a 1 dB step size and soft ramp functionality to ensure zero-crossing click-free transitions.