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MAX2644
2.4GHz SiGe, High IP3 Low-Noise Amplifier

Industry's Smallest 2.4GHz LNA Provides Adjustable IP3 Control


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Description
FULL DATA SHEET (PDF, 168kB)
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The MAX2644 low-cost, high third-order intercept point (IP3) low-noise amplifier (LNA) is designed for applications in 2.4GHz WLAN, ISM, and Bluetooth® radio systems. It features a programmable bias, allowing the input IP3 and supply current to be optimized for specific applications. The LNA provides up to +1dBm input IP3 while maintaining a low noise figure of 2.0dB and a typical gain of 16dB.

The MAX2644 is designed on a low-noise, advanced silicon-germanium (SiGe) technology. It operates with a +2.7V to +5.5V single supply and is available in an ultra-small 6-pin SC70 package.

Key Features   Applications/Uses
  • Low Noise Figure (2.0dB at 2450MHz)
  • High Gain: 16dB
  • Adjustable IP3 and Bias Current
  • Low-Power Standby Mode
  • On-Chip Output Matching
  • +2.7V to +5.5V Single-Supply Operation
  • Ultra-Small 6-Pin SC70 Package

 
  • 2.4GHz Cordless Phones
  • 2.4GHz ISM-Band Radios
  • 802.11 WLAN
  • Bluetooth®
  • HomeRF
  • Satellite CD Radio
  • Wireless Local Loop (WLL)

    Key Specifications:   Low-Noise Amplifiers
    Part Number RF Frequency (MHz) min. RF Frequency (MHz) max. Noise Figure (dB) Gain (dB) Input IP3 (dBm) Supply Current (mA) Footprint (mm x mm) Package Price**
    MAX2644  2400 2500 2 17 7.2 2.7 to 7.0 2.0 x 2.1 SC70/6 $0.82 @ 5k
    See All Low-Noise Amplifiers (20)
    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.

    Diagram
    MAX2644: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-1786; Rev 1; 2003-12-11
    This page last modified: 2007-06-13


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