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TPA6040A4 - 2-W STEREO AUDIO POWER AMPLIFIER

General Description

The TPA6040A4 is a stereo audio power amplifier and DirectPath™ headphone amplifier in a thermally enhanced, space-saving, 32-pin QFN package.

The speaker amplifier is capable of driving 2 W per channel continuously into 4-Ω loads at 5 V.

Key Features

  • Microsoft™Windows Vista™ Compliant.
  • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity.
  • 2-W, 10% THD+N Into 4-Ω Speakers and 85-mW, 1% THD+N Into 16-Ω Headphones From 5-V Supply.
  • DirectPath™ Headphone Amplifier Eliminates Output Capacitors (1).
  • Internal 4-Step Speaker Gain Control: 6, 10, 15.6, 21.6 dB and Fixed.
  • 1.5-V/V Headphone.
  • 4.75-V Low Dropout Regulator for CODEC.
  • Independent Shu.

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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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TPA6040A4 www.ti.com SLOS519A – APRIL 2007 – REVISED APRIL 2007 2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath™ STEREO HEADPHONE DRIVE AND REGULATOR FEATURES • Microsoft™Windows Vista™ Compliant • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity • 2-W, 10% THD+N Into 4-Ω Speakers and 85-mW, 1% THD+N Into 16-Ω Headphones From 5-V Supply • DirectPath™ Headphone Amplifier Eliminates Output Capacitors (1) • Internal 4-Step Speaker Gain Control: 6, 10, 15.6, 21.6 dB and Fixed –1.5-V/V Headphone • 4.