CS4350-CZZR

ADCs/DACs - Special Purpose Overview

The CS4350-CZZR is a stereo digital-to-analog converter (DAC) from Cirrus Logic, featuring a 24-bit multibit delta-sigma architecture. It supports audio sample rates up to 192 kHz and includes an integrated phase-locked loop (PLL) for master clock derivation from the incoming left-right clock. The device provides 109 dB dynamic range and -91 dB THD+N performance. It offers single-ended or differential analog outputs, low-latency digital filtering, and Popguard technology to control clicks and pops. The component operates with +3.3 V to +5.0 V analog supplies and +1.5 V to +5.0 V logic supplies.

ADCs/DACs - Special Purpose Feature Summary

• Integrated PLL locks to LRCK, eliminating external master-clock routing and reducing jitter sensitivity.
• Supports all standard serial audio formats including TDM, I2S, Left-Justified, and Right-Justified.
• Features hardware or software-controlled digital volume with soft ramp and zero-crossing mute.
• Popguard technology manages power-up/down transients to prevent audible clicks.

ADCs/DACs - Special Purpose Applications

• DVD players and recorders
• Set-top boxes and digital TVs
• Mini-component systems and mixing consoles
• Automotive audio systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'CZZR' against manufacturer documentation to confirm package type and temperature grade. The datasheet lists Commercial grade options in QFN (-CNZ) and TSSOP (-CZZ) packages. Ensure the ordering information matches the required thermal pad configuration and lead-free assembly specifications before procurement.

ADCs/DACs - Special Purpose Selection Notes

Select this component for cost-sensitive two-channel audio applications requiring high dynamic range and low distortion. The integrated PLL simplifies system clocking by removing the need for external crystal oscillators or master clock distribution. Verify that the host processor supports the required serial interface formats and control port protocols (SPI/I2C).

ADCs/DACs - Special Purpose Part Context

The CS4350 belongs to Cirrus Logic's stereo DAC family designed for consumer and automotive electronics. It integrates interpolation filters, digital de-emphasis, and channel mixing capabilities into a single chip. The CZZR variant specifically denotes the TSSOP package option within the commercial temperature grade lineup.

ADCs/DACs - Special Purpose Replacement Considerations

Direct pin-compatible replacements are not explicitly listed in the provided source material. Consider evaluating other Cirrus Logic stereo DACs with similar 24-bit resolution and integrated PLL features, ensuring compatibility with the existing serial interface and control port configurations.