MAX5406EUM+

Audio Special Purpose Overview

The MAX5406EUM+ is a stereo audio signal processor in a 48-pin TSSOP package. It integrates volume, balance, bass, and treble controls using dual 32-tap logarithmic potentiometers for volume and linear digital potentiometers for tone adjustment. The device operates on a single +2.7V to +5.5V or dual ±2.7V supply. Key electrical parameters include a typical shutdown current of 0.2µA, -70dB mute attenuation, and 0.02% THD+N into a 10kΩ load. It features an integrated bias amplifier and click/pop suppression.

Audio Special Purpose Feature Summary

• Integrated stereo audio processing with volume, balance, bass, treble, ambience, pseudostereo, and subwoofer functions
• Debounced pushbutton interface with SmartWiper control eliminates the need for a microcontroller
• Dual 32-tap logarithmic potentiometers provide 2dB steps for volume control
• Integrated click/pop suppression and internal passive RF filters for analog inputs

Audio Special Purpose Applications

• Desktop speakers
• Portable audio devices
• PDAs or MP3 player docking stations
• Karaoke machines
• Flat-screen TVs

Audio Special Purpose Procurement Notes

Verify the component status as the source indicates it may be obsolete. Confirm the specific package variant (TSSOP vs TQFN) matches the design requirements. Check RoHS compliance documentation for the specific manufacturing lot. Ensure the ordering suffix corresponds to the correct temperature range and packaging format.

Audio Special Purpose Selection Notes

Select this component for applications requiring complete audio processing without external op-amps. The internal bias generator simplifies single-supply designs. Verify that the 32-tap resolution meets the required volume step precision. Consider the 0.2µA shutdown current for battery-powered systems where power conservation is critical.

Audio Special Purpose Part Context

The MAX5406 is part of Maxim Integrated's audio processor family, designed to replace discrete solutions. It combines multiple analog functions into a single IC, reducing board space and component count. The EUM+ suffix denotes the extended temperature range and lead-free compliant TSSOP package.

Audio Special Purpose Replacement Considerations

The MAX5406ETM* is available in a 48-pin TQFN package. Verify pinout compatibility if switching between TSSOP and TQFN packages. No other direct cross-model substitutes are documented in the provided data.