CX81801-63

Overview

The Conexant CX81801-63 is a high-performance audio codec designed for multimedia applications. It integrates a stereo analog-to-digital converter and a stereo digital-to-analog converter to facilitate bidirectional audio data transfer. The device supports multiple sampling rates, including 48 kHz and 96 kHz, ensuring high-fidelity audio reproduction. It features low-power consumption modes suitable for portable devices. The component includes integrated microphone preamplifiers and headphone drivers, reducing the need for external discrete components in system designs.

Feature Summary

• Integrated stereo ADC and DAC for simultaneous audio capture and playback
• Supports high-resolution audio sampling rates up to 96 kHz
• Includes built-in microphone preamplifiers and headphone output stages
• Designed for low-power operation in mobile and embedded systems

Applications

• Mobile phones and smartphones
• Tablets and portable media players
• Laptop computers and ultrabooks
• Voice-over-IP (VoIP) communication devices

Procurement Notes

Verify the specific suffix designation to confirm package type and temperature range. Ensure compatibility with existing power supply rails and clocking requirements. Check for RoHS compliance status if required by regional regulations. Confirm pinout alignment with target PCB layout to avoid integration errors during assembly.

Selection Notes

Select this component when a compact solution for stereo audio processing is required. Consider its power efficiency for battery-operated devices. Evaluate interface compatibility with host processors supporting I2S or similar serial audio protocols. Assess thermal performance constraints within the intended enclosure design.

Part Context

This part belongs to the Conexant audio codec family, which focuses on integrating complex audio functions into single-chip solutions. These codecs are commonly used in consumer electronics where space and power constraints are critical. The CX81801 series typically targets applications requiring high-quality audio with minimal external component count.

Replacement Considerations

Consult official manufacturer documentation for direct pin-to-pin replacements. Verify functional equivalence regarding supported sampling rates and interface protocols before substitution.