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LM4900 - Audio Power Amplifier

Description

The LM4900 is a bridged audio power amplifier capable of delivering 265mW of continuous average power into an 8Ω load with 1% THD+N from a 3.3V power supply.

Features

  • 1.
  • 23 MSOP, LLP, and SOP Packaging.
  • No Output Coupling Capacitors, Bootstrap Capacitors, or Snubber Circuits are Necessary.
  • Thermal Shutdown Protection Circuitry.
  • Unity-gain Stable.
  • External Gain Configuration Capability.
  • Latest Generation "Click and Pop" Suppression Circuitry.

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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.

View original datasheet text
OBSOLETE LM4900 www.ti.com SNAS121D – APRIL 2001 – REVISED APRIL 2013 LM4900 Boomer® Audio Power Amplifier Series 265mW at 3.3V Supply Audio Power Amplifier with Shutdown Mode Check for Samples: LM4900 FEATURES 1 •23 MSOP, LLP, and SOP Packaging • No Output Coupling Capacitors, Bootstrap Capacitors, or Snubber Circuits are Necessary • Thermal Shutdown Protection Circuitry • Unity-gain Stable • External Gain Configuration Capability • Latest Generation "Click and Pop" Suppression Circuitry APPLICATIONS • Cellular Phones • PDA's • Any Portable Audio Application KEY SPECIFICATIONS • THD+N at 1kHz for 265mW Continuous Average Output Power into 8Ω, – VDD = 3.3V: 1.0% (max) • THD+N at 1kHz for 675mW Continuous Average Output Power into 8Ω, – VDD = 5V: 1.0% (max) • Shutdown Current: 0.
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