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LM4954 - High Voltage 3 Watt Audio Power Amplifier

Datasheet Summary

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.

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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Datasheet preview – LM4954

Datasheet Details

Part number LM4954
Manufacturer Texas Instruments
File Size 1.42 MB
Description High Voltage 3 Watt Audio Power Amplifier
Datasheet download datasheet LM4954 Datasheet
Additional preview pages of the LM4954 datasheet.

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Full PDF Text Transcription

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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.
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