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LM4908  Product Folder

LM4908 10kV ESD Rated, Dual 120mW Headphone Amplifier
Generic P/N 4908
General
Description		 Features Datasheet Package
& Models		 Samples
& Pricing

Parametric Table Parametric Table
Temperature Min (deg C) -40 
Temperature Max (deg C) 85 
Channels (Channels) 2 
User Supply (Volt) 5 
Supply Range +2.0 - +5.5 V 
PowerAtFourOhms OnePercentTHD (Watt) - 
PowerAtEightOhms OnePercentTHD (Watt) - 
PowerAtFourOhms TenPercentTHD (Watt) - 
PowerAtEightOhms TenPercentTHD (Watt) - 
SNR (dB) 100 
SNR Conditions Vo=3.5Vpp(at 0dB) 
PSRR (dB) 84 
PSRR Conditions .05 
THD (%) rL=16ohm, Vo=3.5Vpp(at 0 dB) 
THD Conditions No 
Audio Mux  

Datasheet

TitleSize in KbytesDate
View Online
Download
Receive via Email
LM4908 Boomer ® Audio Power Amplifier Series 10kV ESD Rated, Dual 120 mW Headphone Amplifier 765 Kbytes 19-Nov-03 View Online Download Receive via Email

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Package Availability, Models, Samples & Pricing

Part NumberPackageStatusModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
TypePinsMSL/Lead-Free AvailabilityLead
Time		QtySPICEIBISQty$US each
LM4908MMMINI SOIC8StatusFull productionN/AN/ASamples
Buy Now		1K+$0.20reel
of
1000		ZXTT
GB5
15-17 weeks20000
LM4908MMXMINI SOIC8StatusFull productionN/AN/A 1K+$0.20reel
of
3500		ZXTT
GB5
15-17 weeks40000

General Description

The LM4908 is a dual audio power amplifier capable of delivering 120mW per channel of continuous average power into a 16 load with 0.1% (THD+N) from a 5V power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging. Since the LM4908 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The unity-gain stable LM4908 can be configured by external gain-setting resistors.

Features

  • Up to 10kV ESD protection on all pins
  • MSOP surface mount packaging (LLP, SOP available soon)
  • Switch on/off click suppression
  • Excellent power supply ripple rejection
  • Unity-gain stable
  • Minimum external components

Key Specification

THD+N at 1kHz at 120mW continuous average output power into 16

0.1% (typ)

THD+N at 1kHz at 75mW continuous average output power into 32

0.1% (typ)

Output power at 0.1% THD+N at 1kHz into 32

75mW (typ)

Applications

  • Headphone Amplifier
  • Personal Computers
  • Portable electronic devices
[Information as of 15-Jan-2004]

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