Data Sheet Rev. 0
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Overview

Features and Benefits

  • 4.5VDC to 5.5VDC Single-Supply Operation
  • Drives 2 x 2.3W into a Pair of 3Ω Speakers
  • Drives 130mW into a 16Ω Stereo Headphone
  • Automatic Level Control on Speaker Amplifiers
  • Analog Volume Control
  • 150mA Linear Regulator
  • Beep Input with Glitch Filter
  • Fully Assembled and Tested

Product Details

The MAX9756 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX9756. The MAX9756 is a Class AB amplifier designed to drive stereo bridge-tied-load (BTL) speakers and a stereo headphone in portable audio applications. The speaker amplifiers operate from a 4.5VDC to 5.5VDC power supply, and deliver 2 x 2.3W into a pair of 3Ω speakers. The DirectDrive® headphone amplifiers operate from a 3VDC to 5.5VDC power supply, and deliver 130mW continuous power into a 16Ω stereo headphone.

The MAX9756 features an automatic level control (ALC) on the speaker amplifiers, a 31-step analog volume control, an audible alert input (BEEP), jumper-selectable gain, and a 150mA linear regulator.

The MAX9756 evaluation kit can be used to evaluate the features of the MAX9757 and MAX9758 only. A replacement of the MAX9757/MAX9758 IC is not possible. See the Evaluating the MAX9757/MAX9758 Features section of the full data sheet.

Applications

  • Flat-Panel TVs
  • LCD Projectors
  • Notebook PCs
  • PC Displays
  • Portable Audio
  • Portable DVD Players
  • Tablet PCs

Documentation & Resources

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