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LM4954 - High Voltage 3 Watt Audio Power Amplifier

General Description

The LM4954 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.

It is capable of delivering 2.4 Watts of continuous average power to an 8Ω BTL load with less than 1% THD+N from a 7VDC power supply.

Key Features

  • 1.
  • 23 No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required.
  • Unity Gain Stable.
  • Externally Configurable Gain.
  • Ultra Low Current Active Low Shutdown Mode.
  • BTL Output can Drive Capacitive Loads Up to 100pF.
  • “Click and Pop” Suppression Circuitry.
  • 2.7V - 9.0V Operation.
  • Available in Space-Saving DSBGA Package.

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📁 Similar Datasheet

Part Number Description Manufacturer
LM4954 HIgh Voltage 3 Watt Audio Power Amplifier National Semiconductor
LM4950 7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier National Semiconductor
LM4951 Wide Voltage Range 1.8 Watt Audio Amplifier National Semiconductor
LM4951A Wide Voltage Range 1.8 Watt Audio Amplifier National Semiconductor
LM4952 3.1W Stereo-SE Audio Power Amplifier National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
LM4950 7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier
LM4951 Wide Voltage Range 1.8 Watt Audio Amplifier
LM4951A Wide Voltage Range 1.8 Watt Audio Amplifier
LM4952 3.1W Stereo-SE Audio Power Amplifier
LM4900 Audio Power Amplifier

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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LM4954 www.ti.com SNAS292B – JUNE 2005 – REVISED APRIL 2013 LM4954 Boomer™ Audio Power Amplifier Series High Voltage 3 Watt Audio Power Amplifier Check for Samples: LM4954 FEATURES 1 •23 No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required • Unity Gain Stable • Externally Configurable Gain • Ultra Low Current Active Low Shutdown Mode • BTL Output can Drive Capacitive Loads Up to 100pF • “Click and Pop” Suppression Circuitry • 2.7V - 9.0V Operation • Available in Space-Saving DSBGA Package APPLICATIONS • Mobile Phones • PDAs KEY SPECIFICATIONS • Wide Power Supply Voltage Range, 2.7 ≤ VDD ≤ 9V • Output Power: VDD = 7V, 1% THD+N, 2.