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


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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 Frequency (MHz) min. RF Frequency (MHz) max. Noise Figure (dB) Gain (dB) Input IP3 (dBm) Supply Current (mA) Footprint (mm x mm) Package Price**
    MAX2650  0 1000 3.6 19 -8 18 2.2 x 2.8 SOT/4 $0.70 @ 1k
    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
    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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