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MAX2642, MAX2643
900MHz SiGe, 높은 가변 IP3, 저잡음 앰프

가변 IP3 및 이득 스텝 기능을 제공하는 업계 최소형 SiGe LNA


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English Download this datasheet in PDF format다운로드

The MAX2642/MAX2643 low-cost, high third-order intercept point (IP3), low-noise amplifiers (LNAs) are designed for applications in cellular, ISM, SMR, and PMR systems. They feature a programmable bias, allowing the IP3 and supply current to be optimized for specific applications. These LNAs provide up to 0dBm input IP3 while maintaining a low noise figure of 1.3dB.

The gain for these devices is typically 17dB. The MAX2642 also features a 13dB attenuation step, which extends the LNA's dynamic range. Both devices feature a shutdown mode that minimizes power consumption. On-chip output matching saves board space by reducing the number of external components.

The MAX2642/MAX2643 are designed on a low-noise, advanced silicon-germanium (SiGe) process technology. They operate from a +2.7V to +5.5V single supply and are available in the ultra-small 6-pin SC70 package.

주요기능   애플리케이션/용도
  • Wide Frequency Range: 800MHz to 1000MHz
  • High Output IP3 and Adjustable
    • +17dBm at 5.3mA
    • +7dBm at 2.8mA
  • Low Noise Figure: 1.3dB at 900MHz
  • 13dB Attenuation Step (MAX2642)
  • On-Chip Output Matching
  • Low-Power Shutdown Mode
  • +2.7V to +5.5V Single-Supply Operation
  • Ultra-Small SC70-6 Package

 
  • 800MHz/900MHz 휴대전화
  • 868MHz/900MHz ISM 대역 무선 데이터
  • 900MHz 무선 전화기
  • PMR/SMR/LMR

    Key Specifications:   Low-Noise Amplifiers
    Part Number Solutions Applications Frequency Range (MHz) Noise Figure (dB) Gain (dB) Input IP3 (dBm) Supply Current (mA) Footprint (mm x mm) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price**
    MAX2642  900MHz
    Cellular
    Cordless
    Cellular
    Cordless
    ISM
    800 to 1000 1.35 16.7  -  5.3 2.0 x 2.1 Yes SC-70/6 5 $0.89 @ 1k
    MAX2643  0 2.8 to 5.3 $0.89 @ 1k
    See All Low-Noise Amplifiers (18)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    다이어그램
    MAX2642, MAX2643: Typical Operating Circuit
    일반 동작 회로

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    문서 레퍼런스 19-1682; 개정판 0; 2000-06-02
    이 페이지는 최근에 변경됨: 2007-07-23




             


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