• Part: TLA09ZZA
  • Description: 2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
  • Manufacturer: National Semiconductor
  • Size: 728.94 KB
TLA09ZZA Datasheet (PDF) Download
National Semiconductor
TLA09ZZA

Description

The LM4990 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.25 watts of continuous average power to an 8Ω BTL load and 2 watts of continuous average power (LD and MH only) to a 4Ω BTL load with less than 1% distortion (THD+N+N) from a 5VDC power supply.

Key Features

  • Available in space-saving packages: LLP, Exposed-DAP TSSOP, MSOP, and ITL
  • Ultra low current shutdown mode
  • Improved pop & click circuitry eliminates noise during turn-on and turn-off transitions
  • 2.2 - 5.5V operation
  • No output coupling capacitors, snubber networks or bootstrap capacitors required
  • Unity-gain stable
  • External gain configuration capability
  • User selectable shutdown High or Low logic Level
TLA09ZZA datasheet preview

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