MAX2335

450MHz CDMA/OFDM LNA/Mixer

Optimal Front-End Solution for 450MHz Wireless Solutions and Part of Maxim's 3-Chip 450MHz CDMA/OFDM Solution

Data Sheet (Rev. 0)
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Overview

  • 1.5dB LNA Noise Figure
  • 16dB LNA Gain
  • 2.1dB Cascaded Noise Figure
  • Adjustable LNA IIP3
  • LO Output Buffer for Transmitter
  • LO Frequency Divider
  • Small 5mm x 5mm, 28-Pin (Lead-Free) TQFN Package

    • The MAX2335 RF front-end receiver IC is designed for CDMA and OFDM applications in the 450MHz band.

    The MAX2335 includes a low-noise amplifier (LNA) with adjustable IIP3 to minimize desensitization due to cross-modulation in the presence of a large interfering signal.

    The mixer features differential IF outputs and is designed for high linearity and low noise, which is well suited for CDMA and OFDM applications.

    An on-chip frequency divider is included to allow the use of a standard 1GHz VCO. Alternatively, the divider can be bypassed for use with a lower-frequency VCO.

    The MAX2335 is available in a 28-pin TQFN package with exposed paddle and is specified for the -40°C to +85°C extended temperature range. The device is also offered in a lead-free package.

    Applications

    • 450MHz-Band, WCDMA, IS-95, IS-2000, OFDM, Wireless Data Links
    MAX2335
    450MHz CDMA/OFDM LNA/Mixer
    MAX2335: Typical Application Circuit
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    Documentation

    Data Sheet 1

    Technical Articles 1

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    Software Resources

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    Hardware Ecosystem

    Parts Product Life Cycle Description
    RF Analog Receivers 1
    MAX2308
    		PRODUCTION CDMA IF VGAs and I/Q Demodulators with VCO and Synthesizer
    RF Analog Transmitters 1
    MAX2370
    		Complete 450MHz Quadrature Transmitter
    RF Mixers 4
    MAX2338
    		Triple/Dual-Mode CDMA LNA/Mixers
    MAX2323
    		Triple/Dual-Mode CDMA LNA/Mixers
    MAX2354
    		Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
    MAX2538
    		Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
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