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LM4843  Product Folder

Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
Generic P/N 4843
General
Description
Features Datasheet Package
& Models
Samples
& Pricing

Datasheet

TitleSize in KbytesDate
View Online

Download

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LM4843 ™BOOMER Stereo 2W Audio Power Amplifiers with DC Volume Control 597 Kbytes 10-Jul-02 View Online Download Receive via Email

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Package Availability, Models, Samples & Pricing

Part NumberPackageStatusModelsSamples &
Electronic
Orders
Budgetary PricingStd
Pack
Size
Package
Marking
TypePinsMSL/Lead-Free AvailabilityLead
Time
QtySPICEIBISQty$US each
LM4843MHXTSSOP EXP PAD20StatusFull productionN/AN/A 
Buy Now
1K+$1.90reel
of
2500
NSUZXYTT
LM4843
MH
8-10 weeks10000

General Description

The LM4843 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4 with less than 1.0% THD or 2.2W into 3 with less than 1.0% THD.

Boomer® audio integrated circuits were designed specifically to provide high quality audio while requiring a minimum amount of external components. The LM4843 incorporates a DC volume control with stereo bridged audio power amplifiers making it optimally suited for multimedia monitors, portable radios, desktop, and portable computer applications.

The LM4843 features an externally controlled, low-power consumption shutdown mode, and both a power amplifier and headphone mute for maximum system flexibility and performance.

Features

  • Acoustically Enhanced DC Volume Control Taper
  • Stereo bridged power amplifiers
  • "Click and pop" suppression circuitry
  • Thermal shutdown protection circuitry

Key Specification

PO at 1% THD+N

 

into 3

2.2W (typ)

into 4

2.0W (typ)

into 8

1.1W (typ)

Shutdown current

0.7µA (typ)

Applications

  • Portable and Desktop Computers
  • Multimedia Monitors
  • Portable Radios, PDAs, and Portable TVs
[Information as of 15-Jan-2004]