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LM4666SDBD - Filterless High Efficiency Stereo 1.2W Switching Audio Amplifier

Download the LM4666SDBD datasheet PDF. This datasheet also covers the LM4666 variant, as both devices belong to the same filterless high efficiency stereo 1.2w switching audio amplifier family and are provided as variant models within a single manufacturer datasheet.

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

Note: The manufacturer provides a single datasheet file (LM4666-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM4666 Filterless High Efficiency Stereo 1.2W Switching Audio Amplifier National Semiconductor
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LM4667 Filterless High Efficiency 1.3W Switching Audio Amplifier National Semiconductor
LM4668 10W High-Efficiency Mono BTL Audio Power Amplifier National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
LM4666 Filterless High Efficiency Stereo 1.2W Switching Audio Amplifier
LM4665 Filterless High Efficiency 1W Switching Audio Amplifier
LM4667 Filterless High Efficiency 1.3W Switching Audio Amplifier
LM4667MMBD Filterless High Efficiency 1.3W Switching Audio Amplifier
LM46000 0.5-A Synchronous Step-Down Voltage Converter

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.