LM4890 1 Watt Audio Power Amplifier

Texas Instruments

Description

LM4890 www.ti.com SNAS138L * SEPTEMBER 2001 * REVISED MAY 2013 LM4890 1 Watt Audio Power Amplifier Check for Samples: LM4890 FEAT.
The LM4890 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applicat.

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Datasheet Specifications

Part number: LM4890
Manufacturer: Texas Instruments ↗
File Size: 2.12 MB
Datasheet: LM4890-etcTI.pdf
Description: 1 Watt Audio Power Amplifier

Features

* 1
* 2 Available in Space-Saving Packages: DSBGA, VSSOP, SOIC, and WSON
* Ultra Low Current Shutdown Mode
* BTL Output Can Drive Capacitive Loads
* Improved Pop & Click Circuitry Eliminates Noises During Turn-On and Turn-Off Transitions
* 2.2 - 5.5V Operation

Applications

* Mobile Phones
* PDAs
* Portable Electronic Devices KEY SPECIFICATIONS
* PSRR at 217Hz, VDD = 5V (Fig. 1): 62dB(typ. )
* Power Output at 5.0V & 1% THD: 1W(typ. )
* Power Output at 3.3V & 1% THD: 400mW(typ. )
* Shutdown Current: 0.1μA(typ. ) DESCR

LM4890 Distributors

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LM4890 Watt Audio Power Amplifier Texas Instruments

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