Datasheet4U Logo Datasheet4U.com

LM48520 - Audio Power Amplifier

General Description

The LM48520 integrates a boost converter with a high efficiency Class D stereo audio power amplifier to provide up to 1W/ch continuous power into an 8Ω speaker when operating from 2.7V to 5.0V power supply with boost voltage (PV1) of 5.0V.

Key Features

  • 1.
  • 2 Click and Pop Suppression.
  • Low 0.04μA Shutdown Current.
  • 78% Efficiency.
  • Filterless Class D.
  • 2.7V - 5.0V Operation.
  • 4 Adjustable Gain Settings.
  • Adjustable Output Swing Limiter with Soft Clipping.
  • Speaker Protection.
  • Short Circuit Protection on Audio Amps.
  • Independent Boost and Amplifier Shutdown Pins.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
LM48520 Boosted Stereo Class D Audio Power Amplifier National Semiconductor
LM4852 Integrated Audio Amplifier National Semiconductor
LM4850 Mono 1.5W / Stereo 300mW Power Amplifier National Semiconductor
LM4851 Integrated Audio Amplifier National Semiconductor
LM48510 boosted class D audio power amplifier National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
LM48511 Audio Power Amplifier
LM48512 Audio Power Amplifier
LM4853 Power Amplifier
LM4855 Integrated Audio Amplifier
LM48556 Ceramic Speaker Driver

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.

View original datasheet text
LM48520, LM48520TLBD www.ti.com SNAS367C – FEBRUARY 2008 – REVISED APRIL 2013 LM48520 Boosted Stereo Class D Audio Power Amplifier with Output Speaker Protection and Spread Spectrum Check for Samples: LM48520, LM48520TLBD FEATURES 1 •2 Click and Pop Suppression • Low 0.04μA Shutdown Current • 78% Efficiency • Filterless Class D • 2.7V - 5.0V Operation • 4 Adjustable Gain Settings • Adjustable Output Swing Limiter with Soft Clipping • Speaker Protection • Short Circuit Protection on Audio Amps • Independent Boost and Amplifier Shutdown Pins APPLICATIONS • Mobile Phones • PDAs • Portable media • Cameras • Handheld games KEY SPECIFICATIONS • Quiescent Power Supply Current: 11.5 mA(typ) • Output Power (RL = 8Ω, THD+N ≤ 1%, VDD = 3.3V,PV1 = 5.0V): 1.1 W(typ) • Shutdown Current: 0.