LM4863 - Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Datasheet Packaging Samples & Pricing Reliability Knowledge Base

Features
* Not recommended for new designs. Contact NSC Audio Marketing.
•Stereo headphone amplifier mode
•"Click and pop" suppression circuitry
•Unity-gain stable
•Thermal shutdown protection circuitry
•SOIC, TSSOP, exposed-DAP TSSOP, and LLP packages

Key Specification

PO at 1% THD+N

  

LM4863LQ, 3, 4 loads

2.5W(typ), 2.2W(typ)

LM4863MTE, 3, 4 loads

2.5W(typ), 2.2W(typ)

LM4863MTE, 8 load

1.1W(typ)

LM4863, 8

1.1W(typ)

Single-ended mode THD+N at 75mW into 32

0.5%(max)

Shutdown current

0.7µA(typ)

Supply voltage range

2.0V to 5.5V

General Description

The LM4863 is a dual bridge-connected audio power amplifier which, when connected to a 5V supply, will deliver 2.2W to a 4 load or 2.5W to a 3 load with less than 1.0% THD+N. More...


Applications

•Multimedia monitors
•Portable and desktop computers
•Portable televisions
  Typical Application
click for larger image


ParametersValues
Power@ 4Ohms, 1% THD 2.2 Watt
Power@ 8Ohms, 1% THD 1.1 Watt
Power@ 4Ohms, 10% THD 2.7 Watt
Power@ 8Ohms, 10% THD 1.5 Watt
THD 0.3 %
PSRR 67 dB
SNR 98 dB
Channels 2 Channels
Supply Range +2.0 - +5.5 V
THD Conditions Po=2W @ Vs=5V, R=4 ohms, 20Hz-20kHz
SNR Conditions Pout=1.1W
User Supply 5 Volt
Shutdown Type High
Temperature Min -40 deg C
Temperature Max 85 deg C


Typical Performance

click for larger image


  Also Recommended
LM4938DC Volume Control, Stereo Switchable Bridged/single-ended Power Amplifiers & Selectable Internal/ext
Connection Diagram
click for larger image



Datasheet
RoHS Compliance Information Size in KbytesDate Click link below to Download
LM4863 Boomer ® Audio Power Amplifier Series Dual 2.2W Audio Amplifier Plus Stereo Headphone Function 1165
Kbytes		 31-Oct-06 Download
LM4863 Boomer ® Audio Power Amplifier Series Dual 2.2W Audio Amplifier Plus Stereo Headphone Function (Japanese)
 416 Kbytes   Download

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Package Availability, Models, Samples & Pricing
Part NumberPackageFactory Lead TimeModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
Format
TypePinsSpec.MSL
Rating		Peak
Reflow		RoHS
Report		CAD
Symbols		WeeksQtyQty$US each
LM4863LQLLP24NOPB
STD		3
1		260
235		RoHS N/A Full productionN/A
Samples
Buy Now 		1K+$1.41reel
of
1000		NS
UZXYTT
L4863
6 weeks3000
LM4863MSOIC WIDE16NOPB3260RoHS N/A Lifetime buyN/A
 
Buy Now 		1K+$1.46rail
of
45		NSUZXYTT
LM4863M
6 weeks500
LM4863MXSOIC WIDE16NOPB
STD		3
2A		260
220		RoHS N/A Lifetime buyN/A
 
Buy Now 		1K+$1.46reel
of
1000		NSUZXYTT
LM4863M
12 weeks2500
LM4863MTTSSOP20NOPB1260RoHS N/A Lifetime buyN/A
 
Buy Now 		1K+$1.03rail
of
73		NSUZXYTT
LM4863
MT
6 weeks2000
LM4863MTXTSSOP20NOPB1260RoHS N/A Lifetime buyN/A
 
Buy Now 		1K+$1.03reel
of
2500		NSUZXYTT
LM4863
MT
6 weeks7500
LM4863MTETSSOP EXP PAD20NOPB1260RoHS N/A Lifetime buyN/A
 
Buy Now 		1K+$1.08rail
of
73		NSUZXYTT
LM4863
MTE
8 weeks1000
LM4863MTEXTSSOP EXP PAD20NOPB
STD		1
1		260
260		RoHS N/A Lifetime buyN/A
 
Buy Now 		1K+$1.08reel
of
2500		NSUZXYTT
LM4863
MTE
6 weeks3000

Obsolete Versions

Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
LM4863M
TPA0212
National Semiconductor
30 Nov 2009
LM4863MT
TPA0212
National Semiconductor
30 Nov 2009
LM4863MTE
TPA0212
National Semiconductor
30 Nov 2009
LM4863MTEX
TPA0212
National Semiconductor
30 Nov 2009
LM4863MTX
TPA0212
National Semiconductor
30 Nov 2009
LM4863MX
TPA0212
National Semiconductor
30 Nov 2009
LM4863N
NONE
NATIONAL SEMICONDUCTOR
08 Mar 2005

General Description

The LM4863 is a dual bridge-connected audio power amplifier which, when connected to a 5V supply, will deliver 2.2W to a 4 load or 2.5W to a 3 load with less than 1.0% THD+N. In addition, the headphone input pin allows the amplifiers to operate in single-ended mode when driving stereo headphones.

Boomer audio power amplifiers were designed specifically to provide high quality output power from a surface mount package while requiring few external components. To simplify audio system design, the LM4863 combines dual bridge speaker amplifiers and stereo headphone amplifiers on one chip.

The LM4863 features an externally controlled, low-power consumption shutdown mode, a stereo headphone amplifier mode, and thermal shutdown protection. It also utilizes circuitry to reduce "clicks and pops" during device turn-on.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM4863LQCS065238968520440200011249079519
LM4863MCS0800305350028105002797458048
LM4863MTCS0800305350028105002797458048
LM4863MTECS0800305350028105002797458048
LM4863MTEXCS0800305350028105002797458048
LM4863MTXCS0800305350028105002797458048
LM4863MXCS0800305350028105002797458048

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


[Information as of 8-Nov-2009]