MAX9718FETB+

Audio Amplifiers Overview

The MAX9718FETB+ is a mono Class AB audio power amplifier in a 10-TDFN-EP (3x3) package. It delivers 1.4W into a 4Ω load with supply voltages ranging from 2.7V to 5.5V. Key electrical specifications include -104dB THD+N, -93dB PSRR, and 0.002% THD. The device operates within a temperature range of -40°C to +85°C and draws 5mA quiescent current.

Audio Amplifiers Feature Summary

• Integrates Depop functionality to minimize audible popping noise during power transitions.
• Supports differential inputs for improved noise rejection in audio signal paths.
• Class AB topology provides high-fidelity audio performance with low distortion.

Audio Amplifiers Applications

• Portable audio devices requiring high-quality mono amplification
• Smart home audio speakers
• Industrial control panels with audio feedback

Audio Amplifiers Procurement Notes

Verify the exact suffix FETB+ matches the required 10-TDFN-EP package and thermal pad configuration. Confirm RoHS compliance status through official manufacturer documentation before integration. Ensure voltage ratings align with system power rails.

Audio Amplifiers Selection Notes

Select this component for applications needing single-channel high-fidelity audio output in a compact footprint. Consider the 2.7V minimum supply voltage for battery-operated designs. Evaluate thermal dissipation requirements given the exposed pad package type.

Audio Amplifiers Part Context

This part belongs to Maxim Integrated's audio amplifier portfolio, designed for consumer electronics. It complements other Class AB solutions by offering differential input capability and integrated pop suppression, suitable for space-constrained mobile and IoT audio systems.

Audio Amplifiers Replacement Considerations

Check for direct pin-compatible alternatives within the same family. Verify if updated revisions exist with identical electrical characteristics but improved availability or packaging options.

Audio Amplifiers FAQ

What is the maximum output power?

The MAX9718FETB+ delivers 1.4W into a 4Ω load at typical supply voltages.

Does it support differential inputs?

Yes, the device features 1-pair differential inputs for enhanced noise immunity.