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TPA721 - 700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER

General Description

The TPA721 is a bridge-tied load (BTL) audio power amplifier developed especially for low-voltage applications where internal speakers are required.

Key Features

  • Fully Specified for 3.3-V and 5-V Operation.
  • Wide Power Supply Compatibility 2.5 V.
  • 5.5 V.
  • Output Power for RL = 8 Ω.
  • 700 mW at VDD = 5 V, BTL.
  • 250 mW at VDD = 3.3 V, BTL.
  • Integrated Depop Circuitry.
  • Thermal and Short-Circuit Protection.
  • Surface-Mount Packaging.
  • SOIC.
  • PowerPAD™ MSOP D OR DGN.

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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.

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TPA721 www.ti.com SLOS231E – NOVEMBER 1998 – REVISED JUNE 2004 700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER FEATURES • Fully Specified for 3.3-V and 5-V Operation • Wide Power Supply Compatibility 2.5 V – 5.5 V • Output Power for RL = 8 Ω – 700 mW at VDD = 5 V, BTL – 250 mW at VDD = 3.3 V, BTL • Integrated Depop Circuitry • Thermal and Short-Circuit Protection • Surface-Mount Packaging – SOIC – PowerPAD™ MSOP D OR DGN PACKAGE (TOP VIEW) SHUTDOWN 1 8 VO– BYPASS 2 7 GND IN+ 3 6 VDD IN– 4 5 VO+ DESCRIPTION The TPA721 is a bridge-tied load (BTL) audio power amplifier developed especially for low-voltage applications where internal speakers are required. Operating with a 3.3-V supply, the TPA721 can deliver 250-mW of continuous power into a BTL 8-Ω load at less than 0.