National Semiconductor | High-performance Analog

 

 LMV243   

Single-Channel, Quad-Band GSM Power Controller in micro SMD
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Features

(Typical Unless Otherwise Noted)

  • 50dB RF detection range (typical)
  • Support of GaAs HBT, bipolar technology
  • Quad-band operation
  • Shutdown mode for Power Save in Rx slot
  • GPRS compliant
  • External loop compensation option
  • Accurate temperature compensation
  • Frequency range is 450MHz to 2GHz
  • micro SMD package: 1.5mm x 1.5mm x .995mm
  • Description

    The device is intended for use within an RF transmit power control loop in GSM mobile phones and supports GaAs HBT and bipolar RF single supply power amplifiers. The circuit operates with a single supply from 2.7V to 3.3V.

    The LMV243 contains an RF detector, error amplifier, ramp V/I converter and output driver. The LMV243 input interface consists of the RF input, Ramp voltage, and a digital input to perform the function "Shutdown/Transmit Enable". The device will be active in the case TX_EN = HI, otherwise, the device goes into a low power consumption shutdown mode. During shutdown the output will be in high impedance (tri-state).

    A single external RC combination is used to provide stable operations that accommodates individual PA characteristics.

    The LMV243 is offered in a 8-bump micro SMD 1.5mm x 1.5mm package. This space saving package supports flexible product placement almost anywhere in the circuitboard.


    Applications

  • GSM mobile phone
  • AGC for digital audio
  • TDMA RF control
  • Wireless LAN
  • Also Recommended
    LMV242Offers Dual Channel



    Typical Application
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    Block Diagram
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    Typical Performance
    click for larger image


    Datasheets
    TitleSizeDateOther
    Language
    LMV243 Single-Channel, Quad-Band GSM Power Controller in micro SMD526
    Kbytes
    3-Feb-04   


    Application Notes
    TitleSizeDateOther
    Language
    AN-1805: Application Note 1805 LMV243 Single-Channel, Quad-Band GSM Power Controller Evaluation Board368
    Kbytes
    25-Apr-08 


    Other Technical Documents
    TitleTypeDate
    A Multi-Band GSM/GPRS Power Amplifier ControllerApp Note 2003-03-06

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

    Obsolete Versions
    Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
    LMV243BL
    NONE
    NATIONAL SEMICONDUCTOR
    24 Jul 2009
    LMV243BLX
    NONE
    NATIONAL SEMICONDUCTOR
    24 Jul 2009

    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 LMV243.

    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 LMV243 is located at RoHS Status.

    Part Number(s)
    (NSID)
    DescriptionAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LMV243BLEVAL
    Evaluation Board for the LMV243 Single-Channel, Quad-Band GSM Power ControllerFull production


     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    $99.00 each1
    General Description:

    This board can be used to evaluate National Semiconductors LMV243 Single-Channel, Quad-Band GSM Power Controller. The
    device is intended for use within an RF transmit power control loop in GSM mobile phones and supports GaAs HBT and bipolar RF
    single supply power amplifiers (PAs). The key value is its immunity to changes in the PA gain control function. It contains a 50 dB
    logarithmic amplifier detector and interfaces directly with the directional coupler. The operating frequency range of the device is
    from 450 MHz to 2 GHz.

    Evaluation Board Contents:



    National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C1) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/en/packaging/greennopb.html. Lead free products are RoHS compliant.

    Lead Free product status is available through the search tool located here

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

    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 LMV243.

    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 LMV243 is located at RoHS Status.

    Obsolete Versions
    Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
    LMV243BL
    NONE
    NATIONAL SEMICONDUCTOR
    24 Jul 2009
    LMV243BLX
    NONE
    NATIONAL SEMICONDUCTOR
    24 Jul 2009

    [Information as of 9-Feb-2012]