TPA6047A4 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPA6047A4
Manufacturer

TI
ChipWorker Part#

CW294663835
RoHS

Lead free / RoHS Compliant
Description

2W Stereo Audio Power Amplifier With DirectPath (TM) Stereo Headphone Drive and Regulator
Documentation

Datasheet

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TPA6047A4 Specifications

Attribute	Attribute Value

Part Number	TPA6047A4
Manufacturer	TI
ChipWorker Part#	CW294663835
Documentation	Datasheet
Mounting Style	Surface Mount
Case/Package	QFN-32
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

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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