CS43L43-KZZ

Digital To Analog Converters Overview

The CS43L43-KZZ is a low voltage stereo digital-to-analog converter (DAC) manufactured by Cirrus Logic. It integrates interpolation, 1-bit D/A conversion, analog filtering, volume control, and a headphone amplifier within a single 16-pin TSSOP package. The device utilizes delta-sigma modulation architecture to achieve high-fidelity audio performance. Key electrical specifications include a 24-bit resolution and support for sample rates up to 96 kHz. It operates on a supply voltage range of 1.8 V to 3.3 V. At a 3 V supply, the dynamic range is specified at 94 dB, while total harmonic distortion plus noise (THD+N) reaches -85 dB at 1.8 V. The component features a digital volume control with 96 dB attenuation in 1 dB step increments.

Digital To Analog Converters Feature Summary

• Integrated stereo DAC system combining digital processing, conversion, and analog output stages
• Built-in headphone amplifier suitable for direct drive applications
• Digital volume control with precise attenuation steps

Digital To Analog Converters Applications

• Portable audio players and media devices
• Mobile phones and smartphones
• Personal navigation systems
• Low-power consumer electronics requiring integrated audio output

Digital To Analog Converters Procurement Notes

Verify the specific suffix against manufacturer documentation to confirm package type and lead-free status. Ensure compatibility with existing power supply rails between 1.8 V and 3.3 V. Confirm interface requirements match the serial input format supported by the component. Check for RoHS compliance if required by regional regulations.

Digital To Analog Converters Selection Notes

Select this component when a compact solution integrating both DAC and headphone amplification is required. It is suitable for designs constrained by space due to the 16-pin TSSOP footprint. Consider the power consumption characteristics relative to the target battery life requirements. Verify that the digital interface timing aligns with the host processor capabilities.

Digital To Analog Converters Part Context

The CS43L43 belongs to Cirrus Logic's family of low-power audio converters designed for portable applications. Variants such as CS43L43-KZ and CS43L43-KZR share similar functional descriptions but may differ in packaging or reel specifications. The KZZ suffix typically denotes a specific tape-and-reel configuration or manufacturing lot variation within the standard product line.

Digital To Analog Converters Replacement Considerations

Direct substitutes include CS43L43-KZ and CS43L43-KZR. These parts share identical functional descriptions and core specifications. Verify pinout compatibility and ensure the replacement variant meets the same thermal and mechanical constraints of the original design.