AK4126XQ

Overview

The AK4126XQ is a high-performance digital audio interface receiver manufactured by Asahi Kasei Microdevices. This component supports multiple sampling frequencies including 32 kHz, 44.1 kHz, 48 kHz, and up to 192 kHz for high-resolution audio applications. It features an integrated PLL for clock recovery and provides both I2S and TDM output interfaces for connection to downstream digital-to-analog converters or processors. The device operates with a single power supply voltage of 3.3 V, ensuring compatibility with modern low-voltage digital systems while maintaining signal integrity in consumer electronics.

Feature Summary

• Supports high-resolution audio sampling rates up to 192 kHz
• Integrated phase-locked loop for robust clock recovery
• Flexible output interface options including I2S and TDM modes

Applications

• High-fidelity home audio receivers
• Digital television sets
• Car audio navigation systems

Procurement Notes

Verify the specific suffix XQ corresponds to the required tape and reel packaging configuration when placing orders. Confirm that the operating temperature range meets your system design requirements. Ensure that the input signal levels are compatible with the specified logic voltage levels to prevent damage. Always refer to the latest official datasheet for pinout definitions and electrical characteristics before finalizing the design.

Selection Notes

Choose this component when high-resolution audio support is required alongside flexible digital output formats. It is suitable for designs needing robust clock recovery without external components. Consider the package type and thermal performance if space constraints exist. Evaluate the power consumption against battery-operated device requirements to ensure efficiency standards are met.

Part Context

This part belongs to Asahi Kasei Microdevices' family of digital audio interface receivers. These components are widely used in consumer electronics to bridge digital sources with analog conversion stages. The series is known for reliability and integration, reducing board space by combining receiver functions with clock regeneration capabilities in a compact package format.

Replacement Considerations

Check for direct pin-compatible alternatives from the same manufacturer that offer similar sampling rate support. Verify that any substitute maintains the same I2S/TDM output compatibility and voltage levels. Consult official cross-reference lists provided by the manufacturer for validated replacements.