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IS31AP2010B Datasheet MONO FILTER-LESS CLASS-D AUDIO POWER AMPLIFIER

Manufacturer: ISSI (now Infineon)

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General Description

The IS31AP2010B is a high efficiency, 3W@5.0V mono filter-less class-D audio power amplifier.

A low noise, filter-less PWM architecture eliminates the output filter, reduces external component count, system cost, and simplifying design.

Operating in a single 5.0V supply, IS31AP2010B is capable of driving 4Ω speaker load at a continuous average output of 3W@10% THD+N.

Overview

IS31AP2010B 3W@5.0V MONO FILTER-LESS, CLASS-D AUDIO POWER AMPLIFIER GENERAL.

Key Features

  • 5.0V supply at THD+N = 10%.
  • ―3W into 4Ω (Typ. ).
  • ―1.68W into 8Ω (Typ. ).
  • Efficiency at 5.0V.
  • ―85% at 400mW with a 4Ω speaker.
  • ―88% at 400mW with a 8Ω speaker.
  • Less than 1μA shutdown current.
  • Optimized PWM output stage eliminates LC output filter.
  • Fully differential design reduces RF rectification and eliminates bypass capacitor.
  • Improved CMRR eliminates two input coupling capacitors.
  • Integrated click-and-pop suppression circuitry.
  • UTQFN-.

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