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LM4666 - Filterless High Efficiency Stereo 1.2W Switching Audio Amplifier

General Description

The LM4666 is a fully integrated single-supply high efficiency switching audio amplifier.

Key Features

  • 1.
  • 2 No Output Filter Required for Inductive Transducers.
  • Selectable Gain of 6dB or 12dB.
  • Very Fast Turn On Time: 6ms (typ).
  • Minimum External Components.
  • "Click and Pop" Suppression Circuitry.
  • Micro-Power Shutdown Mode.
  • Short Circuit Protection.
  • Available in Space-Saving NHK0014A Package.

📥 Download Datasheet

Datasheet Details

Part number LM4666
Manufacturer Texas Instruments
File Size 1.50 MB
Description Filterless High Efficiency Stereo 1.2W Switching Audio Amplifier
Datasheet download datasheet LM4666 Datasheet

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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
LM4666, LM4666SDBD www.ti.com SNAS189A – MAY 2004 – REVISED MAY 2013 LM4666 Filterless High Efficiency Stereo 1.2W Switching Audio Amplifier Check for Samples: LM4666, LM4666SDBD FEATURES 1 •2 No Output Filter Required for Inductive Transducers • Selectable Gain of 6dB or 12dB • Very Fast Turn On Time: 6ms (typ) • Minimum External Components • "Click and Pop" Suppression Circuitry • Micro-Power Shutdown Mode • Short Circuit Protection • Available in Space-Saving NHK0014A Package APPLICATIONS • Mobile Phones • PDAs • Portable Electronic Devices KEY SPECIFICATIONS • Efficiency at 3V, 100mW into 8Ω Transducer: 79% (typ) • Efficiency at 3V, 450mW into 8Ω Transducer: 84% (typ) • Efficiency at 5V, 1W into 8Ω Transducer: 85% (typ) • Total Quiescent Power Supply Current: 7.