CS4351-CZZR/B

ADCs/DACs - Special Purpose Overview

The CS4351-CZZR/B is a stereo digital-to-analog converter (DAC) from Cirrus Logic, featuring a multi-bit delta-sigma modulator and 24-bit resolution. It supports sample rates up to 192 kHz with an A-weighted dynamic range of 112 dB and -100 dB THD+N. The device integrates a fifth-order interpolation filter, digital de-emphasis, volume control, and analog filtering. It provides a 2 Vrms line-level output into a 5 kΩ AC load. Power supplies include +3.3 V for digital/analog sections, +9 to 12 V for high-voltage analog, and VL for the serial interface. The component is housed in a 20-pin TSSOP package.

ADCs/DACs - Special Purpose Feature Summary

• Multi-bit Delta-Sigma Modulator architecture ensuring ideal differential linearity and minimal distortion.
• Integrated 2 Vrms line driver capable of driving 5 kΩ AC loads without external amplification.
• Digital volume control with soft ramp functionality, offering 1/2 dB step size and zero-crossing transitions.
• Supports PCM serial audio interfaces including I²S, Left-Justified, and Right-Justified formats.

ADCs/DACs - Special Purpose Applications

• DVD players
• A/V receivers
• Set-top boxes
• Digital TVs and VCRs
• Mini-component systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix configuration against the manufacturer's ordering guide. Suffixes typically denote temperature grade and packaging type. Confirm RoHS compliance status and lead-free designation as per current datasheet revisions. Ensure the supply voltage requirements (+3.3V, +9-12V, VL) match the target system design before procurement.

ADCs/DACs - Special Purpose Selection Notes

Select this component for cost-sensitive stereo audio systems requiring high dynamic range and low clock jitter sensitivity. The CS4351-CZZR/B is suitable for applications needing integrated analog filtering and line drivers. Consider the Automotive grade (-DZZ) if operating temperatures exceed the Commercial range (-10°C to +70°C). Verify interface compatibility with the host processor's serial audio and control port protocols.

ADCs/DACs - Special Purpose Part Context

The CS4351 is part of Cirrus Logic's 192 kHz Stereo DAC family, designed for high-performance audio conversion. It shares architectural similarities with the CS4350 and CS4352 but offers specific power supply configurations and integration levels. The CZZR/B designation indicates a Tape and Reel packaging format within the Commercial temperature grade variant of the standard CS4351 device.

ADCs/DACs - Special Purpose Replacement Considerations

Direct pin-compatible replacements are not explicitly listed in the provided documentation. Review the CS4350 or CS4352 for functional alternatives within the same product family, noting differences in power supply requirements and package options. Verify that any substitute maintains the required 24-bit resolution and 192 kHz support.