CS4365-DQZR

ADCs/DACs - Special Purpose Overview

The CS4365-DQZR is a 6-channel digital-to-analog converter (DAC) from Cirrus Logic, designed for high-fidelity audio applications. It features a multi-bit delta-sigma architecture with 24-bit resolution and supports sample rates up to 192 kHz. The device includes a proprietary Direct Stream Digital (DSD) processor allowing non-decimating volume control and on-chip filtering. Key electrical specifications include a 114 dB dynamic range and -100 dB THD+N. It operates with a +5 V analog supply, +2.5 V digital supply, and separate 1.8 V to 5 V logic supplies for control and serial ports. The component is housed in a 48-pin LQFP package.

ADCs/DACs - Special Purpose Feature Summary

• Advanced Multi-bit Delta Sigma Architecture with mismatch-shaping technology
• Proprietary DSD Processor supporting non-decimating volume control and 50 kHz on-chip filtering
• Selectable fast and slow digital interpolation filters with half-dB step size volume control
• Automotive grade (-DQZ) rated for operation between -40°C and +105°C

ADCs/DACs - Special Purpose Applications

• SACD players
• A/V receivers
• Digital TV systems
• Mixing consoles
• Automotive audio systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific ordering suffix '-DQZR' against current manufacturer documentation to confirm availability and exact pinout configuration. Check for any Product Change Notifications (PCN) or End-of-Life (EOL) notices associated with this part number before finalizing procurement plans.

ADCs/DACs - Special Purpose Selection Notes

Select the CS4365-DQZR when automotive temperature ratings (-40°C to +105°C) are required alongside 6-channel output capability. Ensure the design accommodates the specific power supply requirements: +5 V for analog, +2.5 V for digital, and independent 1.8 V to 5 V levels for control and serial interfaces.

ADCs/DACs - Special Purpose Part Context

This component belongs to the CS4365 family of 6-channel DACs. The '-DQZ' suffix denotes the Automotive grade variant with an extended temperature range compared to the Commercial grade '-CQZ'. The 'R' suffix typically indicates reel packaging, though verification with the official datasheet is necessary.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Evaluate other Cirrus Logic 6-channel DACs such as the CS4362A or CS4361 only if their pinouts and electrical characteristics match the specific system requirements.