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MAX2642, MAX2643
900MHz、SiGe、可变的高IP3、低噪声放大器

业内尺寸最小的SiGe LNA,提供可调节IP3和增益步进控制


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状态
状况:生产中。

概述
完整的数据资料 (PDF, 248kB)
英文 下载数据资料(PDF)下载
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.

现备有评估板:  MAX2642EVKIT, MAX2643EVKIT  

关键特性   应用/使用
  • 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蜂窝电话
  • 868MHz/900MHz ISM波段无线数据
  • 900MHz无绳电话
  • PMR/SMR/LMR

    Key Specifications:  Low-Noise Amplifiers
    Part Number RF Freq.
    (MHz)
    RF Freq.
    (MHz)
    Noise Figure
    (dB)
    Gain
    (dB)
    Input IP3
    (dBm)
    ISUPPLY
    (mA)
    Footprint
    (mm x mm)
    Package/Pins Price
    min max See Notes
    MAX2642  800 1000 1.35 16.7 17 5.3 2.0 x 2.1
    SC70/6
    $0.89 @1k
    MAX2643  0 2.8 to 5.3
    SC70/6
    $0.89 @1k
    查看所有Low-Noise Amplifiers (20)

    图表
    MAX2642、MAX2643:典型工作电路
    典型工作电路

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    参考文献: 19-1682; Rev. 0; 2000-06-02
    本页最后一次更新: 2007-07-23


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