Features and Benefits

  • 5V Single-Supply Operation
  • Spread-Spectrum Modulator Reduces EMI
  • 2.8W, Class D, Stereo Speaker Amplifier (4Ω)
  • Filterless Class D Requires No LC Output Filter
  • High PSRR (71dB at 1kHz)
  • 86% Efficiency (RL = 8Ω, POUT = 1W)
  • Low-Power Shutdown Mode
  • Integrated Click-and-Pop Suppression
  • Low Total Harmonic Distortion: 0.06% at 1kHz
  • Short-Circuit and Thermal Protection
  • Internal Gain, +9.0dB or +10.5dB
  • Available in Space-Saving Packages
    • 16-Pin Thin QFN-EP (5mm x 5mm x 0.8mm)

Product Details

The MAX9715 high-efficiency, stereo, Class D audio power amplifier provides up to 2.8W per channel into a 4Ω speaker with a 5V supply. Maxim's second-generation Class D technology features robust output protection, high efficiency, and high power-supply rejection (PSRR) while eliminating the need for output filters. Selectable gain settings, +10.5dB or +9.0dB, adjust the amplifier gain to suit the audio input level and speaker load.

The MAX9715 features high PSRR (71dB at 1kHz), allowing for operation from noisy supplies without additional regulation. Comprehensive click-and-pop suppression eliminates audible clicks and pops at startup and shutdown. The MAX9715 operates from a single 5V supply and consumes only 12mA of supply current. Integrated shutdown control reduces supply current to less than 100nA.

The MAX9715 is fully specified over the extended -40°C to +85°C temperature range and is available in thermally enhanced 16-pin TQFN-EP package.


  • High-End Notebook Audio
  • LCD Projectors
  • Multimedia Docking Stations
  • Portable Audio

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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