National Semiconductor | High-performance Analog

 

 LMV791   

17 MHz, Low Noise, CMOS Input, 1.8V Operational Amplifiers with Shutdown from the PowerWise® Family
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Features

(Typical 5V supply, unless otherwise noted)

Input referred voltage noise

5.8 nV/ Hz

Input bias current

100 fA

Unity gain bandwidth

17 MHz

  • Supply current per channel enable mode
  • LMV791

    1.15 mA

    LMV792

    1.30 mA

    Supply current per channel in shutdown mode

    0.02 µA

  • Rail-to-rail output swing
  • @ 10 kΩ load

    25 mV from rail

    @ 2 kΩ load

    45 mV from rail

    Guaranteed 2.5V and 5.0V performance

    Total harmonic distortion

    0.01% @1 kHz, 600Ω

    Temperature range

    −40°C to 125°C

    Description

    The LMV791 (Single) and the LMV792 (Dual) low noise, CMOS input operational amplifiers offer a low input voltage noise density of 5.8 nV/ while consuming only 1.15 mA (LMV791) of quiescent current. The LMV791 and LMV792 are unity gain stable op amps and have gain bandwidth of 17 MHz. The LMV791/ LMV792 have a supply voltage range of 1.8V to 5.5V and can operate from a single supply. The LMV791/LMV792 each feature a rail-to-rail output stage capable of driving a 600Ω load and sourcing as much as 60 mA of current.

    The LMV791 family provides optimal performance in low voltage and low noise systems. A CMOS input stage, with typical input bias currents in the range of a few femtoAmperes, and an input common mode voltage range which includes ground make the LMV791 and the LMV792 ideal for low power sensor applications. The LMV791 family has a built-in enable feature which can be used to optimize power dissipation in low power applications.

    The LMV791/LMV792 are manufactured using National’s advanced VIP50 process and are offered in a 6-pin TSOT23 and a 10-pin MSOP package respectively.


    Applications

  • Photodiode amplifiers
  • Active filters and buffers
  • Low noise signal processing
  • Medical Instrumentation
  • Sensor interface applications
  • LMV791 Webench® Custom
    Design/Analyze/Build It
    Select Topology
    Active Filter Designer
    Inverting Amplifier
    AC-Coupled Inverting Amp
    NonInverting Amp
    Lowpass Filter
    Lowpass Filter 4th Order
    Highpass Filter
    Required Parameters
    Supply voltage:
    If "Other", Positive Supply is: V
    If "Other", Negative Supply is: V
    NOTE: 1.8 V <= Total Supply Voltage <= 5 V

    What is Webench?




    Typical Application
    click for larger image


    Connection Diagram
    click for larger image



    Typical Performance
    click for larger image


     

    ParametersValues
    Voltage Noise 5.8 nV/root(Hz)
    Max Input Bias Current 0.025 nA
    Offset Voltage max, 25C 1.35 mV
    Gain Bandwidth 17 MHz
    Supply Current Per Channel 1.15 mA
    PowerWise Rating 2 67.6 uA/MHz
    Slew Rate 9.5 Volts/usec
    Input OutputType Vcm to V-, R-R Out
    Supply Min 1.8 Volt
    Supply Max 5 Volt
    Output Current 21 mA
    Shut down Yes
    Channels 1 Channels
    Special Features CMOS Input
    Temperature Max 125 deg C
    Temperature Min -40 deg C
    Function Op Amp
    Automotive Yes
    PowerWise Yes

    Datasheets
    TitleSizeDateOther
    Language
    LMV791 17 MHz, Low Noise, CMOS Input, 1.8V Operational Amplifiers with Shutdown600
    Kbytes
    23-Jun-08日本語  


    Application Notes
    TitleSizeDateOther
    Language
    AN-1516: Application Note 1516 Pspice Universal Test Circuits308
    Kbytes
    26-Jan-09日本語
    中文

    Part Number(s)
    (NSID)
    Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LMV791MK/NOPB

    LMV791MK

    RoHS Status


    TSOT
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    AVNET-EMWorldwide4000
    DIGI-KEYWorldwide2087
    MOUSERWorldwide950
    RS COMPONENTSWorldwide35
    $0.50 each at 1K+ pcsreel
    of
    1000
    LMV791MKX/NOPB


    RoHS Status


    TSOT
    Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    $0.50 each at 1K+ pcsreel
    of
    3000

    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 LMV791.

    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 LMV791 is located at RoHS Status.

    Part Number(s)
    (NSID)
    Weight
    (milligrams)
    TypePinsMSL RatingPeak ReflowRoHS
    Status
    CAD SymbolsModelsPackage
    Marking
    Format
    LMV791MK/NOPB

    LMV791MK
    13.726
    13.851
    TSOT61
    1
    260
    260
    DetailDownloadspice file
    AS1A
    XTT
    LMV791MKX/NOPB

    13.726
    13.851
    TSOT61260DetailDownloadspice file
    AS1A
    XTT

    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 LMV791.

    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 LMV791 is located at RoHS Status.

    CAD Symbols and Models
    Download LMV791 CAD Symbols
     Models
    spice file


    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LMV791MKVIP50CLZ305670009450004268146330
    LMV791MKXVIP50CLZ305670009450004268146330

    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 LMV791.

    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 LMV791 is located at RoHS Status.

    What's All This High-Noise Amplifier Stuff, Anyhow? (Low-Noise Amplifier Design and Analysis)
    Loading video...


    What's All This High-Noise Amplifier Stuff, Anyhow? (Low-Noise Amplifier Design and Analysis)
    Date: 2005-10-18
    Length: 00:41:08
    [Information as of 9-Feb-2012]