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LM4990 2 Watt Audio Power Amplifier

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Description

LM4990 www.ti.com SNAS184E * DECEMBER 2002 * REVISED MAY 2013 LM4990 2 Watt Audio Power Amplifier with Selectable Shutdown Logic L.
The LM4990 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applicat.

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Features

* 1
* 2 Available in Space-Saving Packages: WSON, Exposed-DAP MSOP-PowerPAD, VSSOP, and DSBGA
* Ultra Low Current Shutdown Mode
* Improved Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions
* 2.2 - 5.5V Operation
* No Output Coupling

Applications

* Mobile Phones
* PDAs
* Portable Electronic Devices KEY SPECIFICATIONS
* Improved PSRR at 217Hz & 1KHz: 62dB
* Power Output at 5.0V, 1% THD+N,
* 4Ω (NGZ and DGQ only): 2W (Typ)
* Power Output at 5.0V, 1% THD+N, 8Ω: 1.25W (Typ)
* Power

LM4990 Distributors

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