LM386 - Low Voltage Audio Power Amplifier

Datasheet Packaging Samples & Pricing Reliability Application Notes Knowledge Base

Features
•Battery operation
•Minimum external parts
•Wide supply voltage range: 4V-12V or 5V-18V
•Low quiescent current drain: 4mA
•Voltage gains from 20 to 200
•Ground referenced input
•Self-centering output quiescent voltage
•Low distortion: 0.2% (AV = 20, VS = 6V, RL = 8Ohm, PO = 125mW, f = 1kHz)
•Available in 8 pin MSOP package

General Description

The LM386 is a power amplifier designed for use in low voltage consumer applications. More...


Applications

•AM-FM radio amplifiers
•Portable tape player amplifiers
•Intercoms
•TV sound systems
•Line drivers
•Ultrasonic drivers
•Small servo drivers
•Power converters
  Typical Application
See Datasheet for Application Information

Parametric Table     expand
Parametric Table    collapse
Channels 1 Channels
User Supply 6 Volt
Supply Range +4 - +18 V
Power@ 8Ohms, 1% THD 0.25 Watt
Power@ 8Ohms, 10% THD 0.325 Watt
Channels 1 Channels
User Supply 6 Volt
Supply Range +4 - +18 V
Power@ 8Ohms, 1% THD 0.25 Watt
Power@ 8Ohms, 10% THD 0.325 Watt
PSRR 50 dB
THD 0.25 %
THD Conditions Po=0.125W @ Vs=6V, RL=8ohms
Temperature Min 0 deg C
Temperature Max 70 deg C
View Using Catalog


Typical Performance

*click for larger image


  Also Recommended
LM4951Higher Output Power,lower Voltage,lower Power Consumption,pop & Click Circuitry
LM4877More Output Power, Better THD And PSRR

Additional Resources

Application Notes (see below)



Datasheet
RoHS Compliance Information Size in KbytesDate Click link below to Download
LM386 Low Voltage Audio Power Amplifier 264 Kbytes 10-Aug-00 Download
LM386 Low Voltage Audio Power Amplifier (Japanese)
 268 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
LM386M-1SOIC NARROW8STD
NOPB		1
1		235
260		RoHS N/A Full productionN/A
Samples
Buy Now 		1K+$0.33rail
of
95		NSZXTT
LM386
M-1
12 weeks5000
LM386MX-1SOIC NARROW8STD
NOPB		1
1		235
260		RoHS N/A Full productionN/A
 
Buy Now 		1K+$0.33reel
of
2500		NSZXTT
LM386
M-1
12 weeks20000
LM386MMX-1MINI SOIC8NOPB1260RoHS N/A Full productionN/A
 
Buy Now 		1K+$0.34reel
of
3500		ZXTT
Z86
8 weeks7500
LM386N-1MDIP8STD
NOPB		1
1		NA
NA		RoHS N/A Full productionN/A
Samples
Buy Now 		1K+$0.34rail
of
40		NSUZXYTT
LM
386N-1
8 weeks2000
LM386N-3MDIP8STD
NOPB		1
1		NA
NA		RoHS N/A Full productionN/A
 
Buy Now 		1K+$0.31rail
of
40		NSUZXYTT
LM
386N-3
8 weeks2000
LM386N-4MDIP8STD
NOPB		1
1		NA
NA		RoHS N/A Full productionN/A
Samples
Buy Now 		1K+$0.31rail
of
40		NSUZXYTT
LM
386N-4
8 weeks2500

Obsolete Versions

Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
LM386MM-1
NONE
NONE
01 Dec 2004

General Description

The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200.

The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24 milliwatts when operating from a 6 volt supply, making the LM386 ideal for battery operation.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM386M-1SLM0427860033525002951281028
LM386MMX-1SLM0427860033525002951281028
LM386MX-1SLM0427860033525002951281028
LM386N-1SLM0427860033525002951281028
LM386N-3SLM0427860033525002951281028
LM386N-4SLM0427860033525002951281028

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.


Application Notes

TitleSize in Kbytes Date Click link below to Download
AN-263: Application Note 263 Sine Wave Generation Techniques 350 Kbytes 26-May-09 Download

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More Application Notes

TitleSize in Kbytes Date Click link below to Download
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AN-460: Application Note 460 LM34/LM35 Precision Monolithic Temperature Sensors 306 Kbytes 20-Sep-02 Download
AN-460 (Japanese): Application Note 460 LM34/LM35 Precision Monolithic Temperature Sensors
 322 Kbytes   Download
AN-242: Application Note 242 Applying a New Precision Op Amp 383 Kbytes 4-Oct-04 Download
AN-69: LM380 Power Audio Amplifier 213 Kbytes 4-Nov-95 Download
AN-286: Application Note 286 Applications of the LM392 Comparator Op Amp IC 135 Kbytes 2-Oct-02 Download
AN-146: AN-146 FM Remote Speaker System 134 Kbytes 4-Oct-04 Download
AN-256: Application Note 256 Circuitry for Inexpensive Relative Humidity Measurement 119 Kbytes 2-Oct-02 Download
AN-104: Application Note 104 Noise Specs Confusing? 208 Kbytes 14-Oct-02 Download
AN-284: Application Note 284 Single-Supply Applications of CMOS MICRODACs 121 Kbytes 3-Oct-02 Download
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[Information as of 3-Jul-2009]