National Semiconductor | High-performance Analog

 

 LM318   

Operational Amplifier
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Features
  • 15 MHz small signal bandwidth
  • Guaranteed 50V/µs slew rate
  • Maximum bias current of 250 nA
  • Operates from supplies of ±5V to ±20V
  • Internal frequency compensation
  • Input and output overload protected
  • Pin compatible with general purpose op amps
  • Description

    The LM118 series are precision high speed operational amplifiers designed for applications requiring wide bandwidth and high slew rate. They feature a factor of ten increase in speed over general purpose devices without sacrificing DC performance.

    The LM118 series has internal unity gain frequency compensation. This considerably simplifies its application since no external components are necessary for operation. However, unlike most internally compensated amplifiers, external frequency compensation may be added for optimum performance. For inverting applications, feedforward compensation will boost the slew rate to over 150V/µs and almost double the bandwidth. Overcompensation can be used with the amplifier for greater stability when maximum bandwidth is not needed. Further, a single capacitor can be added to reduce the 0.1% settling time to under 1 µs.

    The high speed and fast settling time of these op amps make them useful in A/D converters, oscillators, active filters, sample and hold circuits, or general purpose amplifiers. These devices are easy to apply and offer an order of magnitude better AC performance than industry standards such as the LM709.

    The LM218 is identical to the LM118 except that the LM218 has its performance specified over a -25°C to +85°C temperature range. The LM318 is specified from 0°C to +70°C.

    Also Recommended
    LM7121Improved Bandwidth And Slew Rate
    LM8261Improved Bandwidth, Unlimited Capacitive Load



    Typical Application
    click for larger image


    Connection Diagram
    *click for larger image



    Typical Performance
    *click for larger image


    Parameters / ValuesLM318 LM7121 LM8261
    Gain Bandwidth15 MHz 175 MHz 21 MHz
    Channels1 Channels 1 Channels 1 Channels
    Input OutputTypeNot Rail to Rail Not Rail to Rail R-R In and Out
    Slew Rate70 Volts/usec 1300 Volts/usec 12 Volts/usec
    Supply Min10 Volt 4.5 Volt 2.5 Volt
    Supply Max40 Volt 33 Volt 30 Volt
    Offset Voltage max, 25C10 mV 8 mV 5 mV
    Supply Current Per Channel4.5 mA 4.8 mA 0.97 mA
    PowerWise Rating 2300 uA/MHz 20.4 uA/MHz 46.2 uA/MHz
    Max Input Bias Current750 nA 12000 nA 2700 nA
    Output Current20 mA 52 mA 53 mA
    Voltage Noise15 nV/root(Hz) 17 nV/root(Hz) 15 nV/root(Hz)
    Shut downNo No No
    Special FeaturesExtCompCap, Vos Adj High Cload Drive
    FunctionOp Amp Op Amp Op Amp
    Temperature Min0 deg C -40 deg C -40 deg C
    Temperature Max70 deg C 85 deg C 85 deg C

    Datasheets
    TitleSizeDateOther
    Language
    LM318 Operational Amplifier597
    Kbytes
    13-Sep-04   


    Application Notes
    TitleSizeDateOther
    Language
    AN-446: Application Note 446252
    Kbytes
    4-Nov-95 
    AN-1485: Application Note 1485 The Effect of Heavy Loads on the Accuracy and Linearity of Operational Amplifier Circuits752
    Kbytes
    15-Sep-08 


    Other Technical Documents
    TitleTypeDate
    Instrumentational Amplifiers (See also LMP8358)App Note 2002-10-02
    A Low-Noise Precision Op AmpApp Note 2002-10-02

    Part Number(s)
    (NSID)
    Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LM318M/NOPB

    LM318M

    RoHS Status


    SOIC NARROW
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    AVNET-EMWorldwide604
    CEACAsia Pacific7600
    DIGI-KEYWorldwide0
    FARNELLEurope and Asia1896
    MOUSERWorldwide883
    NEWARKAmericas777
    RSL MICROAsia Pacific1520
    $0.38 each at 1K+ pcsrail
    of
    95
    LM318MX/NOPB

    LM318MX

    RoHS Status


    SOIC NARROW
    Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    MOUSERWorldwide2490
    $0.38 each at 1K+ pcsreel
    of
    2500
    LM318N/NOPB

    LM318N

    RoHS Status


    MDIP
    Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    ARROWWorldwide800
    AVNET-EMWorldwide141
    BRITESTONESouth Korea35
    DIGI-KEYWorldwide799
    FARNELLEurope and Asia1785
    MOUSERWorldwide388
    NEWARKAmericas1001
    RS COMPONENTSWorldwide340
    RSL MICROAsia Pacific5000
    TAYLORAmericas800
    $0.38 each at 1K+ pcsrail
    of
    40

    Obsolete Versions
    Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
    LM318H
    LM318N
    NATIONAL SEMICONDUCTOR
    03 Dec 2008

    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LM318.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LM318 is located at RoHS Status.

    Part Number(s)
    (NSID)
    Weight
    (milligrams)
    TypePinsMSL RatingPeak ReflowRoHS
    Status
    CAD SymbolsModelsPackage
    Marking
    Format
    LM318M/NOPB

    LM318M
    69.761
    70.001
    SOIC NARROW81
    1
    260
    235
    DetailDownloadspice file
    NSZXTT
    LM
    318M
    LM318MX/NOPB

    LM318MX
    69.761
    70.001
    SOIC NARROW81
    1
    260
    235
    DetailDownloadspice file
    NSZXTT
    LM
    318M
    LM318N/NOPB

    LM318N
    508.252
    510.002
    MDIP81
    1
    NA
    NA
    DetailDownloadspice file
    NSUZXYTTE#
    LM
    318N

    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LM318.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LM318 is located at RoHS Status.

    Design Tools
    TitleSizeDate
    Amplifiers Selection Guide software for Windows  

    CAD Symbols and Models
    Download LM318 CAD Symbols
     Models
    spice file


    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LM318MSLM04404600353250011002356520
    LM318MXSLM04404600353250011002356520
    LM318NSLM04404600353250011002356520

    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.


    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LM318.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LM318 is located at RoHS Status.

    Obsolete Versions
    Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
    LM318H
    LM318N
    NATIONAL SEMICONDUCTOR
    03 Dec 2008

    [Information as of 9-Feb-2012]