Features and Benefits

  • 2.5V to 5.5V Single-Supply Operation
  • 4W Mono Class D Output
  • Selectable Gain: +6dB, +15.5dB, and +20dB
  • Boosted Class D Output
  • Differential or Single-Ended Input
  • Boost Converter Shutdown
  • Speaker Output Shutdown
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX98502 evaluation kit (EV kit) is a fully assembled and tested circuit board that uses the MAX98502 boosted Class D amplifier to drive a mono bridge-tied-load (BTL) speaker in portable audio applications. Designed to operate from a 2.5V to 5.5V DC power supply, the EV kit is capable of delivering 2.2W into an 8Ω load or 4W into a 4Ω load. The EV kit accepts differential or single-ended input signals, features selectable gain, and separate speaker and boost shutdown inputs.


  • Active Speaker Accessories
  • Cell Phones
  • GPS Devices
  • Mobile Internet Devices
  • Smartphones

Applicable Parts

Documentation & Resources