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TPA6047A4 Datasheet PDF

Part Series:
TPA6047A4 Series
Category:
-
Description:
2W Stereo Audio Power Amplifier With DirectPath (TM) Stereo Headphone Drive and Regulator
Updated Time: 2023/09/27 09:00:40 (UTC + 8)

TPA6047A4 - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Case/Package
QFN-32
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TPA6047A4 - TI Function Overview

The TPA6047A4 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 2.1 W per channel continuously into 4-Ω loads at 5 V. The headphone amplifier achieves a minimum of 100 mW at 10% 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 TPA6047A4 to simultaneously drive both headphones and internal speakers. Differential inputs to the speaker amplifiers offer superior power-supply and common-mode noise rejection.
Microsoft Windows Vista Compliant
Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity
2.1-W, 1% THD+N Into 4-Ω Speakers and 100-mW, 10% THD+N Into 16-Ω Headphones From 5-V Supply
DirectPath Headphone Amplifier Eliminates Output Capacitors(1)
Internal 4-Step Speaker Gain Control: 10, 12, 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
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