National Semiconductor | High-performance Analog

 

 LMP7712   

Dual Precision, 17 MHz, Low Noise, CMOS Input Amplifier from the PowerWise® Family
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Features

Unless otherwise noted, typical values at VS = 5V.

Input offset voltage

±150 μV (max)

Input bias current

100 fA

Input voltage noise

5.8 nV/ Hz

Gain bandwidth product

17 MHz

Supply current (LMP7711)

1.15 mA

Supply current (LMP7712)

1.30 mA

Supply voltage range

1.8V to 5.5V

THD+N @ f = 1 kHz

0.001%

Operating temperature range

−40°C to 125°C

Rail-to-rail output swing

Space saving TSOT23 package (LMP7711)

10-pin MSOP package (LMP7712)

Description

The LMP7711/LMP7712 are single and dual low noise, low offset, CMOS input, rail-to-rail output precision amplifiers with a high gain bandwidth product and an enable pin. The LMP7711/LMP7712 are part of the LMP precision amplifier family and are ideal for a variety of instrumentation applications.

Utilizing a CMOS input stage, the LMP7711/LMP7712 achieve an input bias current of 100 fA, an input referred voltage noise of 5.8 nV/ Hz, and an input offset voltage of less than ±150 μV. These features make the LMP7711/LMP7712 superior choices for precision applications.

Consuming only 1.15 mA of supply current, the LMP7711 offers a high gain bandwidth product of 17 MHz, enabling accurate amplification at high closed loop gains.

The LMP7711/LMP7712 have a supply voltage range of 1.8V to 5.5V, which makes these ideal choices for portable low power applications with low supply voltage requirements. In order to reduce the already low power consumption the LMP7711/LMP7712 have an enable function. Once in shutdown, the LMP7711/LMP7712 draw only 140 nA of supply current.

The LMP7711/LMP7712 are built with National’s advanced VIP50 process technology. The LMP7711 is offered in a 6-pin TSOT23 package and the LMP7712 is offered in a 10-pin MSOP.


Applications

  • Active filters and buffers
  • Sensor interface applications
  • Transimpedance amplifiers
  • LMP7712 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 <= 5.5 V

    What is Webench?

    Also Recommended
    LMP2012LMP2012 - Dual, High Precision, Rail-to-Rail Output Operational Amplifier
    LMP7702LMP7702 - Precision, CMOS Input, RRIO, Wide Supply Range Amplifiers
    LMP7716LMP7716 - Dual Precision, 17 MHz, Low Noise, CMOS Input Amplifier

    Connection Diagram
    *click for larger image



    Typical Performance
    click for larger image


    Parameters / ValuesLMP7712 LMP2012 LMP7702 LMP7716
    Offset Voltage max, 25C0.15 mV 0.036 mV 0.22 mV 0.15 mV
    TcVos1.75 uV/degC 0.015 uV/degC 1 uV/degC 1.8 uV/degC
    CMRR100 dB 130 dB 130 dB 100 dB
    PSRR100 dB 120 dB 100 dB 98 dB
    Avol95 dB 130 dB 119 dB 110 dB
    Voltage Noise5.8 nV/root(Hz) 35 nV/root(Hz) 9 nV/root(Hz) 5.8 nV/root(Hz)
    Max Input Bias Current0.1 nA 0.005 nA 0.4 nA 0.1 nA
    Gain Bandwidth17 MHz 3 MHz 2.5 MHz 17 MHz
    Supply Current Per Channel1.3 mA 0.93 mA 0.75 mA 1.3 mA
    PowerWise Rating 276.5 uA/MHz 310 uA/MHz 300 uA/MHz 76.5 uA/MHz
    Slew Rate9.5 Volts/usec 4 Volts/usec 1 Volts/usec 9.5 Volts/usec
    Channels2 Channels 2 Channels 2 Channels 2 Channels
    Supply Min1.8 Volt 2.7 Volt 2.7 Volt 1.8 Volt
    Supply Max5.5 Volt 5 Volt 12 Volt 5.5 Volt
    Input OutputTypeVcm to V-, R-R Out Vcm to V-, R-R Out R-R In and Out Vcm to V-, R-R Out
    Output Current23 mA 15 mA 66 mA 21 mA
    Shut downYes No No No
    Special FeaturesLow Noise CMOS Input Undefined Low Offset CMOS Input Low Noise, Low Offset CMOS
    Temperature Min-40 deg C -40 deg C -40 deg C -40 deg C
    Temperature Max125 deg C 125 deg C 125 deg C 125 deg C
    FunctionOp Amp Op Amp Op Amp Op Amp
    AutomotiveYes Yes Yes
    PowerWiseYes Yes

    Datasheets
    TitleSizeDateOther
    Language
    LMP7712 Dual Precision, 17 MHz, Low Noise, CMOS Input Amplifier1169
    Kbytes
    3-Jul-08日本語  


    Other Technical Documents
    TitleTypeDate
    Amplifier Closed-Loop Bandwidth Considerations in High Resolution A/D Converter ApplicationsTechnology Edge 2006-10-01

    Part Number(s)
    (NSID)
    Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LMP7712MM/NOPB


    RoHS Status


    MINI SOIC
    Full production
    Lead Time: 8 weeks

     
    DistributorRegionQty
    ARROWWorldwide1000
    DIGI-KEYWorldwide1168
    FARNELLEurope and Asia403
    MOUSERWorldwide1000
    RS COMPONENTSWorldwide68
    TAYLORAmericas1000
    $0.99 each at 1K+ pcsreel
    of
    1000
    LMP7712MME/NOPB


    RoHS Status


    MINI SOIC
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    DIGI-KEYWorldwide0
    $0.99 each at 1K+ pcsreel
    of
    250
    LMP7712MMX/NOPB

    LMP7712MMX

    RoHS Status


    MINI SOIC
    Full production
    Lead Time: 16 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    $0.99 each at 1K+ pcsreel
    of
    3500

    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 LMP7712.

    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 LMP7712 is located at RoHS Status.

    Part Number(s)
    (NSID)
    Weight
    (milligrams)
    TypePinsMSL RatingPeak ReflowRoHS
    Status
    CAD SymbolsModelsPackage
    Marking
    Format
    LMP7712MM/NOPB

    29.841
    MINI SOIC101260DetailDownloadspice file
    ZXTT
    AD3A
    LMP7712MME/NOPB

    29.841
    MINI SOIC101260DetailDownloadspice file
    ZXTT
    AD3A
    LMP7712MMX/NOPB

    LMP7712MMX
    29.841
    30.002
    MINI SOIC101
    1
    260
    260
    DetailDownloadspice file
    ZXTT
    AD3A

    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 LMP7712.

    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 LMP7712 is located at RoHS Status.

    CAD Symbols and Models
    Download LMP7712 CAD Symbols
     Models
    spice file


    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LMP7712MMVIP50CLZ305670009450004268146330
    LMP7712MMEVIP50CLZ305670009450004268146330
    LMP7712MMXVIP50CLZ305670009450004268146330

    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 LMP7712.

    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 LMP7712 is located at RoHS Status.

    [Information as of 9-Feb-2012]