MAX2585

Advanced Multimode Complete RF-to-Baseband Receiver

Industry's First 2-Chip Solution for Dual-Band North America CDMA with Integrated PAs


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Description

The MAX2585 highly integrated RF-to-baseband receiver addresses multiband, multimode applications by providing switched signal paths for cellular AMPS, cellular CDMA, and PCS CDMA.

The MAX2585 includes an LNA, mixer, baseband filter, PLL, VGA, and AMPS-grade RF VCO. The entire receiver eliminates most of the external components found in other receivers including the IF-SAW filters and multiband VCOs.

To optimize dynamic range at minimum current, the MAX2585 implements several programmable gain and linearity states, each optimized for minimum current while meeting sensitivity and linearity requirements for as many as four ranges of received signal strength. The MAX2585 is available in a 7mm x 7mm, leadless 48-fcLGA package and is specified over the -40°C to +85°C temperature range.

Key Features

  • No External IF SAW Filters Required
  • RF VCO and PLL Included
  • On-Chip Matching
  • Optimized Low-Current Modes
  • Two-Chip System Solution with the MAX2500
  • 3dB Typical Cascaded LNA-Referred Noise Figure
  • Small 48-Pin fcLGA Leadless Package (7mm x 7mm)
  • Applications/Uses

    • AMPS, IS95, OFDM
    • Dual-Band, Multimode PCS/Cellular Mobile Devices
    • IS-2000 1xEV, EV-DO, and EV-DV

    Technical Documents

    Tutorial 5100 General Layout Guidelines for RF and Mixed-Signal PCBs

    Quality and Environmental Data

    Request Reliability Report for: MAX2585 
    Lead-Free Package Tin (Sn) Whisker Reports
    Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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    Related Resources

    Type ID Title
    Evaluation Board5470MAX2585EVKIT MAX2585 Evaluation Kit