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TPA6040A4

AKTIV

Stereo-Class-AB-Lautsprecher- und Kopfhörerverstärker, 2 W, 4,75-V-LDO und Active-Low-Lautsprecher-A

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TPA6040A4

AKTIV
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Produktdetails

Rating Catalog PSRR (dB) 80 Operating temperature range (°C) -40 to 85
Rating Catalog PSRR (dB) 80 Operating temperature range (°C) -40 to 85
VQFN (RHB) 32 25 mm² 5 x 5
  • MicrosoftWindows Vista Compliant
  • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity
  • 2-W, 10% THD+N Into 4- 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 Shutdown Controls for Speaker, Headphone Amplifier, and Low Dropout Regulator (LDO)
  • Output Short-Circuit and Thermal Protection
  • APPLICATIONS
    • Notebook Computers
    • Portable DVD

(1) US Patent Number 5289137

DirectPath, PowerPAD are trademarks of Texas Instruments.
Microsoft, Windows Vista are trademarks of Microsoft Corporation.
  • MicrosoftWindows Vista Compliant
  • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity
  • 2-W, 10% THD+N Into 4- 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 Shutdown Controls for Speaker, Headphone Amplifier, and Low Dropout Regulator (LDO)
  • Output Short-Circuit and Thermal Protection
  • APPLICATIONS
    • Notebook Computers
    • Portable DVD

(1) US Patent Number 5289137

DirectPath, PowerPAD are trademarks of Texas Instruments.
Microsoft, Windows Vista are trademarks of Microsoft Corporation.

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- loads at 5 V. The headphone amplifier achieves a minimum of 85 mW at 1% THD+N from a 5-V supply. A built-in internal 4-step gain control for the speaker amplifier and a fixed -1.5 V/V gain for the headphone amplifier minimizes external components needed.

Independent shutdown control and dedicated inputs for the speaker and headphone allow the TPA6040A4 to simultaneously drive both headphones and internal speakers. Differential inputs to the speaker amplifiers offer superior power-supply and common-mode noise rejection.

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- loads at 5 V. The headphone amplifier achieves a minimum of 85 mW at 1% THD+N from a 5-V supply. A built-in internal 4-step gain control for the speaker amplifier and a fixed -1.5 V/V gain for the headphone amplifier minimizes external components needed.

Independent shutdown control and dedicated inputs for the speaker and headphone allow the TPA6040A4 to simultaneously drive both headphones and internal speakers. Differential inputs to the speaker amplifiers offer superior power-supply and common-mode noise rejection.

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Typ Titel Datum
* Data sheet 2-W Stereo Audio Power Amplifier with DirectPath(TM) Headphone and Regulator datasheet (Rev. A) 13 Apr 2007

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