MAX98390EWX+

Audio Amplifiers Overview

The MAX98390EWX+ is a high-efficiency mono Class-D DSM smart amplifier featuring an integrated boost converter and Dynamic Speaker Management. It delivers up to 6.2W at 10% THD+N into a 4Ω load from a battery voltage as low as 2.65V. The device supports I2S, left-justified, and 16-channel TDM formats with I2C control. It operates over the extended -40°C to +85°C temperature range in a space-saving 30-bump WLP package.

Audio Amplifiers Feature Summary

• Integrated programmable boost converter supporting bypass mode and envelope tracking for optimized efficiency.
• Built-in Dynamic Speaker Management providing thermal protection, excursion protection, and parametric equalization.
• Filterless operation enabled by patented active emissions limiting edge rate and overshoot control circuitry.
• Flexible brownout-detection engine allowing programmable current limiting, signal limiting, and clip functions.

Audio Amplifiers Applications

• Smartphones
• Tablets
• Notebook Computers
• Single Li-ion Cell Devices
• IoT Devices

Audio Amplifiers Procurement Notes

Verify the specific suffix EWX against official documentation to confirm the 30-bump WLP package configuration. Confirm availability status directly with Analog Devices or authorized distributors, as supply conditions may vary. Ensure compatibility with system voltage requirements ranging from 2.65V to 5.5V before procurement.

Audio Amplifiers Selection Notes

Select this component for applications requiring high power density and advanced speaker protection in compact form factors. The integrated boost converter eliminates external inductors for lower quiescent current when using bypass mode. Consider the 30-bump WLP package for strict space constraints compared to the 36-bump variant.

Audio Amplifiers Part Context

This part belongs to the MAX98390 series of boosted Class-D amplifiers designed for mobile audio systems. It integrates digital signal processing capabilities with power amplification to deliver high-fidelity sound while protecting the speaker hardware. The series supports various digital audio interfaces for flexible system integration.

Audio Amplifiers Replacement Considerations

The MAX98390D is available in a 0.5mm pitch, 30-bump wafer-level package. Verify pinout and electrical specifications match before substitution. No other direct cross-references are documented in the provided datasheet.

Audio Amplifiers FAQ

Does the MAX98390 require external output filtering?

No, the device features patented active emissions limiting edge rate and overshoot control circuitry that minimizes EMI, eliminating the need for traditional output filters.

What is the maximum boost converter output voltage?

The maximum boost converter output voltage is programmable from 6.5V to 10V in 0.125V increments.