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LM49153 - Mono Audio Subsystem

General Description

The LM49153 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.

Key Features

  • 1.
  • 23 Class G Ground Referenced Headphone Outputs.
  • High Efficiency Class D Amplifier with Spread Spectrum.
  • No Clip.
  • Speaker Protection.
  • Noise Gate.
  • I2C Volume and Mode Control.
  • Advanced Click-and-Pop Suppression.
  • Micro-Power Shutdown.

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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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LM49153 www.ti.com SNAS496C – JANUARY 2011 – REVISED MAY 2013 LM49153 Boomer™ Mono Audio Subsystem with Class G Headphone Amplifier, Class D Speaker Amplifier, Noise Gate and Speaker Protection Check for Samples: LM49153 FEATURES 1 •23 Class G Ground Referenced Headphone Outputs • High Efficiency Class D Amplifier with Spread Spectrum • No Clip • Speaker Protection • Noise Gate • I2C Volume and Mode Control • Advanced Click-and-Pop Suppression • Micro-Power Shutdown APPLICATIONS • Feature Phones • Smart Phones KEY SPECIFICATIONS • Class G Headphone Amplifier, HPVDD = 1.8V, RL = 32Ω – IDDQHP, 1.2mA (Typ) – POUT, THD+N ≤ 1%, 25mW (Typ) – HP VOS, 0.5mV (Typ) • Mono Class D Speaker Amplifier, RL = 8Ω, THD+N < 1% – POUT, LSVDD = 5.0V, 1.35W (Typ) – POUT, LSVDD = 3.