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MAX2650
DC-to-Microwave, +5V Low-Noise Amplifier


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 144kB)
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The MAX2650 is a low-noise amplifier for use from DC to microwave frequencies. Operating from a single +5V supply, it has a flat gain response to 900MHz. The MAX2650's low noise figure and high drive capability make it ideal for a variety of transmit, receive, and buffer applications.

The device is internally biased, eliminating the need for external bias resistors or inductors. In a typical application, the only external components needed are input and output blocking capacitors and a VCC bypass capacitor.

The MAX2650 comes in a 4-pin SOT143 package, requiring minimal board space.

Key Features   Applications/Uses
  • Internally Biased
  • High Gain: 18.3dB at 900MHz
  • 3.9dB Noise Figure
  • Single +4.5V to +5.5V Operation
  • -1dBm Output 1dB Compression Power
  • Low-Cost Silicon Bipolar Design
  • Ultra-Small SOT143 Package

 
  • Cellular Base Stations
  • Global Positioning Systems (GPS)
  • ISM Radios
  • Set-Top Boxes
  • Special Mobile Radios
  • Wireless Local Area Networks (WLANs)
  • Wireless Local Loop (WLL)

    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
    MAX2650  0 1000 3.6 19 -8 18 2.2 x 2.8
    SOT/4
    $0.70 @1k
    See All Low-Noise Amplifiers (20)

    Diagram
    MAX2650: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-1135; Rev 1; 2003-10-24
    This page last modified: 2007-05-31


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