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LM4930 - Audio Subsystem

General Description

The LM4930 is an integrated audio subsystem that supports voice and digital audio functions.

The LM4930 includes a high quality I2S input stereo DAC, a voice band codec, a stereo headphone amplifier and a high-power mono speaker amplifier.

Key Features

  • 1.
  • 23 16-bit Resolution 48kHz Stereo DAC.
  • 16-bit Resolution 8kHz Voice Codec.
  • I2S Digital Audio Data Serial Interface.
  • Two-wire Serial Control Interface.
  • PCM Voice Audio Data Serial Interface.
  • 25mW/channel Stereo Headphone Amplifier.
  • 330mW Mono 8Ω Amplifier (at AVDD = 3.0V).
  • 32-step Volume Control for Audio Output Amplifiers.
  • No Snubber Networks or Bootstrap Capacitors are Required by the Headphone or Hands-free Ampl.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM4930 www.ti.com SNAS212C – JULY 2003 – REVISED MAY 2013 LM4930 Boomer™ Audio Power Amplifier Series Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers Check for Samples: LM4930 FEATURES 1 •23 16-bit Resolution 48kHz Stereo DAC • 16-bit Resolution 8kHz Voice Codec • I2S Digital Audio Data Serial Interface • Two-wire Serial Control Interface • PCM Voice Audio Data Serial Interface • 25mW/channel Stereo Headphone Amplifier • 330mW Mono 8Ω Amplifier (at AVDD = 3.