CS4344-CZZR

ADCs/DACs - Special Purpose Overview

The CS4344-CZZR is a stereo digital-to-analog converter from Cirrus Logic, featuring a fourth-order multi-bit delta-sigma modulator and integrated analog low-pass filtering. It supports sample rates up to 192 kHz with automatic detection via MCLK/LRCK ratios. The device operates on a single +3.3 V or +5 V supply, delivering a typical dynamic range of 105 dB and -90 dB THD+N. It includes Popguard technology for transient control and on-chip digital de-emphasis. Packaged in a 10-pin TSSOP, it is designed for commercial applications within a temperature range of -10°C to +70°C.

ADCs/DACs - Special Purpose Feature Summary

• Multi-bit Delta-Sigma Modulator with 24-bit conversion resolution
• Automatic sample rate detection up to 192 kHz (SSM, DSM, QSM)
• 105 dB Dynamic Range and -90 dB THD+N performance
• Popguard Technology for minimized power-up/down transients

ADCs/DACs - Special Purpose Applications

• DVD players and recorders
• Digital televisions
• Home theater systems
• Set-top boxes
• Automotive audio systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the CZZR suffix confirms the Commercial grade (-10°C to +70°C) operating temperature range. Confirm the specific serial interface format (I2S for CS4344) matches the system design, as other family members support different formats. Check current availability status as component lifecycles may change.

ADCs/DACs - Special Purpose Selection Notes

Select this part for stereo DAC applications requiring high dynamic range and minimal external components. Ensure the host processor supports the required I2S data format and provides an appropriate MCLK/LRCK ratio (e.g., 256x, 384x, 1024x). Verify that the power supply voltage aligns with the 3.3 V or 5 V nominal requirements.

ADCs/DACs - Special Purpose Part Context

The CS4344-CZZR belongs to the CS4344/5/8 family, which shares identical architecture but differs in supported serial audio interfaces. The CS4344 specifically supports I2S format. Other variants include CS4345 (Left Justified) and CS4348 (Right Justified 16-bit). All share the same pinout and electrical characteristics.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly documented pin-compatible alternatives include DP4344 and NX4344N. These parts offer similar 2-channel, 24-bit, 192 kHz functionality with hardware compatibility.