Evaluation Kit/Evaluation System for the MAX9744

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The MAX9744 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains the MAX9744 highly efficient 2 x 20W Class D stereo speaker amplifier. The MAX9744 EV kit also includes Windows® 98SE/2000/XP-compatible software that provides a simple graphical user interface (GUI) for exercising the MAX9744's features.

The MAX9744 evaluation system (EV system) includes a MAX9744 EV kit and a Maxim CMAXQUSB serial-interface board.

The CMAXQUSB board connects to a PC's USB port and allows the transfer of I²C commands to the MAX9744 EV kit.

Key Features

  • 20W Stereo Output (at 10% THD+N, RL = 4Ω, VCC = 13V)
  • Wide Power-Supply Operation (4.5V to 14V)
  • Integrated Volume Control (I²C or Stand-Alone Operation)
  • Optional Control Through USB
  • Proven PCB Layout for Thermal Performance and EMC
  • Windows 98SE/2000/XP-Compatible Evaluation Software
  • Fully Assembled and Tested


  • Flat-Panel Televisions
  • Multimedia Docking Stations
  • PC Speaker Systems
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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Related Resources

11.7W Digital Input Class DG Amplifier with I/V Sense and Ultra-Low Quiescent Power

  • Wide Input Supply Range (3.0V to 14V)
  • Class-DG Operation Enables Industry Leading Quiescent Power
  • Ultra-Low Noise Floor

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