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LM4863LQXNSN/a3260avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863MTNSCN/a10avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863MTENSCN/a72avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863MTEXNSN/a25000avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863MTXNSCN/a2229avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863NNATIONALN/a20avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863NNSCN/a16avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863NNSN/a286avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863LQNSN/a1653avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863LQNSCN/a15avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863M国半N/a83avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863MXSOP16N/a1000avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863NN/a19avaiDual 2.2W Audio Amplifier Plus Stereo Headphone Function


LM4863MTEX ,Dual 2.2W Audio Amplifier Plus Stereo Headphone FunctionLM4863 Dual 2.2W Audio Amplifier Plus Stereo Headphone FunctionJanuary 2004LM4863Dual 2.2W Audio Am ..
LM4863MTX ,Dual 2.2W Audio Amplifier Plus Stereo Headphone FunctionGeneral Description Key Specificationsn P at 1% THD+NThe LM4863 is a dual bridge-connected audio po ..
LM4863MX ,Dual 2.2W Audio Amplifier Plus Stereo Headphone FunctionGeneral Description Key Specificationsn P at 1% THD+NThe LM4863 is a dual bridge-connected audio po ..
LM4863N ,Dual 2.2W Audio Amplifier Plus Stereo Headphone FunctionFeatureschip.n Stereo headphone amplifier modeThe LM4863
LM4863N ,Dual 2.2W Audio Amplifier Plus Stereo Headphone FunctionApplicationsn Multimedia monitorsn Portable and desktop computersn Portable televisionsTypical Appl ..
LM4863N ,Dual 2.2W Audio Amplifier Plus Stereo Headphone FunctionApplicationsn Multimedia monitorsn Portable and desktop computersn Portable televisionsTypical Appl ..
LP2981IM5X-3.3/NOPB ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 Package 5-SOT-23 -40 to 125Features 3 DescriptionThe LP2981-N is a 100-mA, fixed-output voltage1• Operating Input Voltage Rang ..
LP2981IM5X-3.6 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packagesapplications.n Guaranteed 100 mAoutput currentUsing an optimized VIP™ (Vertically Integrated PNP) p ..
LP2981IM5X-3.8 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesApplicationsPrecision Output. 0.75% tolerance output voltages avail-n Cellular Phoneable (Agrade).n ..
LP2981IM5X-3.8 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packagesapplications.n Guaranteed 100 mAoutput currentUsing an optimized VIP™ (Vertically Integrated PNP) p ..
LP2981IM5X-3.8 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packagesapplications.n Guaranteed 100 mAoutput currentUsing an optimized VIP™ (Vertically Integrated PNP) p ..
LP2981IM5X-4.7 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesLP2981 Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesJanuary 2003LP ..


LM4863LQ-LM4863LQX-LM4863M-LM4863MT-LM4863MTE-LM4863MTEX-LM4863MTX-LM4863MX-LM4863N
Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863
Dual 2.2W Audio Amplifier Plus Stereo Headphone
Function
General Description

The LM4863isa dual bridge-connected audio power ampli-
fier which, when connectedtoa5V supply,will deliver 2.2W
toa4Ω load (Note1)or 2.5Wtoa3Ω load (Note2) with less
than 1.0% THD+N.In addition, the headphone input pin
allowsthe amplifiersto operatein single-ended mode when
driving stereo headphones.
Boomer audio power amplifiers were designed specificallyto
provide high quality output power froma surface mount
package while requiring few external components.To sim-
plify audio system design,the LM4863 combines dual bridge
speaker amplifiers and stereo headphone amplifierson one
chip.
The LM4863 featuresan externally controlled, low-power
consumption shutdown mode,a stereo headphone amplifier
mode, and thermal shutdown protection.It also utilizes cir-
cuitryto reduce “clicks and pops” during device turn-on.
Note1:
An LM4863MTEor LM4863LQthathas been properly mountedto circuit boardwill deliver 2.2Winto4Ω.The other package optionsforthe
LM4863will deliver 1.1Winto8Ω.Seethe Application Information sections
for further information concerningthe LM4863MTEand LM4863LQ.
Note2:
An LM4863MTEor LM4863LQthat hasbeen properlymountedtoa
circuit boardand forced-air cooledwill deliver 2.5Winto3Ω.
Key Specifications
POat 1% THD+N LM4863LQ, 3Ω,4Ω loads 2.5W(typ), 2.2W(typ) LM4863MTE, 3Ω,4Ω loads 2.5W(typ), 2.2W(typ) LM4863MTE,8Ω load 1.1W(typ) LM4863,8Ω 1.1W(typ) Single-ended mode THD+Nat 75mW into
32Ω 0.5%(max) Shutdown current 0.7µA(typ) Supply voltage range 2.0Vto 5.5V
Features
Stereo headphone amplifier mode “Click and pop” suppression circuitry Unity-gain stable Thermal shutdown protection circuitry SOIC, DIP*, TSSOP and exposed-DAP TSSOP, and LLP
packages Not recommendedfor new designs. Contact NSC Audio
Marketing.
Applications
Multimedia monitors Portable and desktop computers Portable televisions
Typical Application

Note:Pinout shownforDIPandSO packages. Refertothe Connection Diagramsforthe pinoutofthe TSSOP, Exposed-DAP TSSOP,and Exposed-DAP
LLP packages.
January 2004
LM4863
Dual
2.2W
Audio
Amplifier
Plus
Stereo
Headphone
Function
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