MAX9718BEBL+T

Audio Amplifiers Overview

The MAX9718BEBL+T is a mono audio power amplifier from the Maxim Integrated MAX9718/MAX9719 family. It operates on a single supply voltage ranging from 2.7V to 5.5V and delivers 1.4W of continuous average power per channel into a 4Ω load with less than 1% THD+N. The device features a bridge-tied load (BTL) architecture, differential inputs for improved noise rejection, and an internally fixed gain of 0dB. It includes a low-power shutdown mode that reduces quiescent current to less than 100nA and incorporates click-and-pop suppression circuitry. The component is available in a 3x3 UCSP package and operates over an extended temperature range of -40°C to +85°C.

Audio Amplifiers Feature Summary

• Bridge-tied load (BTL) architecture minimizes external component count while providing high-quality audio amplification.
• Differential input structure improves noise rejection and provides common-mode rejection capabilities.
• Low-power shutdown mode disables bias generators and reduces quiescent current consumption significantly.
• Integrated click-and-pop suppression circuitry reduces audible artifacts during startup and shutdown.

Audio Amplifiers Applications

• Mobile phones
• Personal digital assistants (PDAs)
• Portable audio devices

Audio Amplifiers Procurement Notes

Verify the specific ordering suffix BEBL against the manufacturer's official datasheet to confirm the package type, gain configuration, and temperature range. Ensure compatibility with the required PCB footprint for the UCSP package. Confirm RoHS compliance status through the manufacturer's documentation before finalizing procurement specifications.

Audio Amplifiers Selection Notes

Select this component for portable applications requiring a single-channel BTL amplifier with minimal external components. The fixed 0dB gain simplifies design by eliminating external resistors. Consider the thermal dissipation requirements relative to the ambient temperature and load impedance when choosing between different package options within the same product family.

Audio Amplifiers Part Context

This part belongs to the MAX9718/MAX9719 series of low-cost, mono/stereo audio power amplifiers designed for portable devices. The MAX9718 variant specifically serves as a mono amplifier, whereas the MAX9719 is a dual-channel stereo version. Both share similar electrical characteristics and packaging options, differing primarily in channel count and pin configurations.

Audio Amplifiers Replacement Considerations

The MAX9718 is documented as being pin-compatible with the LM4895. Verify electrical parameters and pin assignments directly with the respective datasheets before substituting.