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LM4802B - Audio Power Amplifier

Description

The LM4802B integrates a Boost Converter with an Audio Power Amplifier to drive Ceramic Speakers in portable applications.

When powered by a 3V supply, it is capable of forcing 12Vp-p across a 2μF + 30Ω bridge-tied-load (BTL) with less than 1% THD+N.

Features

  • 1.
  • 23 Pop & Click Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions.
  • Low, 2μA (Max) Shutdown Current.
  • Low, 12mA (Typ) Quiescent Current.
  • 12Vp-p Mono BTL Output, Load = 2μF + 30Ω, VDD = 3V.
  • Short Circuit Protection.
  • Unity-Gain Stable.
  • External Gain Configuration Capability.

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Full PDF Text Transcription (Reference)

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LM4802B, LM4802BLQBD www.ti.
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