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MAX2338
Triple/Dual-Mode CDMA LNA/Mixers


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Description
FULL DATA SHEET (PDF, 224kB)
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The MAX2338 receiver RF front-end IC is designed for dual-band CDMA cellular phones and can also be used in dual-band TDMA, GSM, or EDGE cellular phones. Thanks to the MAX2338's on-chip low-power LO divider, the cellular VCO module can be eliminated.

The MAX2338 includes a low-noise amplifier (LNA) with an adjustable high-input third-order intercept point (IIP3) to minimize intermodulation and cross-modulation in the presence of large interfering signals. For cellular band operation, a low-gain LNA is available for higher cascaded IIP3 at lower current.

The CDMA mixers are designed for high linearity, low noise, and differential IF outputs. The FM mixer is designed for lower current and single-ended output.

The MAX2338 triple-mode LNA/mixer includes an on-chip LO frequency divider to allow the use of a single VCO for both bands. This device is available in an ultra-small 28-pin leadless QFN package.

Key Features   Applications/Uses
  • 1.4dB LNA Noise Figure
  • 15dB LNA Gain
  • Mixer Noise Figure
    • 7.5dB (CDMA)
    • 8.7dB (AMPS)
  • Mixer Gain
    • 14.5dB PCS
    • 13.3dB Cellular
    • 8.8dB AMPS
  • LO Frequency Divider, Saves VCO Module
  • LO Output Buffers for TX
  • Ultra-Small 28-Pin Leadless Package

 
  • Dual-Band, Triple-Mode PCS/Cellular Phones
  • Dual-Mode Cellular Phones

    Key Specifications:   Front-End/Receivers
    Part Number Features Applications Footprint (mm x mm) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price**
    MAX2338 
    1.4dB LNA Noise Figure
    15dB LNA Gain
    Dual-Band, Triple-Mode Phones
    LO-Divider Saves VCO Module
    AMPS
    CDMA
    TDMA
    5.0 x 5.0 Yes QFN/28
    THIN QFN/28
    26 $3.51 @ 1k
    See All Front-End/Receivers (18)
    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.

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    Document Ref.: 19-1807; Rev 2; 2003-04-28
    This page last modified: 2007-07-24



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