Features and Benefits

  • 4.5V to 5.5V Single-Supply Operation
  • Clickless/Popless Power-Up, Power-Down, Mute and Unmute
  • PC99-Compliant Output Drivers: Better than 1.2VRMS Output into 32Ω Audio Load
  • PC99-Compliant Microphone Amplifier: Better than 1.5VRMS Output into 10kΩ Load
  • Small 16-Pin TSSOP Package
  • Fully Assembled and Tested

Product Details

The MAX4299 evaluation kit (EV kit) is a fully assembled and tested circuit board that uses the MAX4299 audio system IC designed for a single 5V application. The audio system IC features a stereo headphone driver, microphone amplifier, and a 3.3V linear regulator.

The EV kit's headphone driver is capable of driving 1.2VRMS into a 32Ω headphone. The microphone amplifier is capable of driving 1.5VRMS into a 10kΩ load. A 3.3V linear regulator is capable of supplying 100mA.


  • Computers: Desktop, Workstation, Server
  • Consumer Audio
  • Cordless Phones
  • Notebook Computers
  • Palmtop Computers
  • Pen Entry Palmtops

Documentation & Resources