MAX2150

NOT RECOMMENDED FOR NEW DESIGNS

Wideband I/Q Modulator with Sigma-Delta Fractional-N Synthesizer

Data Sheet (Rev. 5) Product Selection Table
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Overview

  • Single Voltage Supply (2.7V to 3.6V)
  • 75MHz 3dB I/Q Input Bandwidth
  • Wideband 50Ω RF Output: 700MHz to 2300MHz
  • Ultra-Fine Frequency Resolution: 100mHz
  • High Reference Frequency for Fast-Switching Applications
  • Ultra-Low Phase Noise
  • Low Spurious and Reference Emissions
  • -1dBm RMS Output Power
  • 60dB RF Muting Control
  • 34dBc Typical Carrier Suppression
  • 34dBc Typical Sideband Suppression
  • Software- and Hardware-Controlled Shutdown Modes

The MAX2150 is a complete wideband direct upconversion quadrature modulator IC incorporating a 28-bit sigma-delta fractional-N synthesizer. The device is targeted for applications in the 700MHz to 2300MHz frequency range.

The super-high-resolution sigma-delta fractional-N synthesizer is capable of better than 50mHz resolution when used with a 10MHz reference. Other features: fully differential I/Q modulation inputs, an internal LO buffer, and a 50Ω wideband output driver amplifier.

A standard 3-wire interface is provided for synthesizer programming and overall device configuration. An on-chip low-noise crystal oscillator amplifier is also included and can be configured as a buffer when an external reference oscillator is used.

The device typically achieves 34dBc of carrier and sideband suppression at a -1dBm output level. The wideband, internally matched RF output can also be disabled while the synthesizer and 3-wire bus remain powered up for continuous programming.

The device consumes 72mA from a single +3.0V supply and is packaged in an ultra-compact 28-pin QFN package (5mm x 5mm) with an exposed pad.

Applications

  • LMDS
  • Satellite Uplink
  • Wireless Base Stations
  • Wireless Broadband
MAX2150
Wideband I/Q Modulator with Sigma-Delta Fractional-N Synthesizer
MAX2150: Pin Configuration
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

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Software Resources

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Tools & Simulations

Software Development 1

Evaluation Kits

MAX2150EVKIT

Evaluation Kit for MAX2150

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Features and Benefits

  • 3-Wire Interface
  • Differential Baseband Inputs
  • 2.7V to 3.6V Single-Supply Operation
  • 50Ω Connectors on All Signal Ports
  • Low-Power Shutdown Modes
  • PC Control Software (Available at www.maximintegrated.com)

    • Product Details

    The MAX2150 evaluation kit (EV kit) simplifies testing of the MAX2150 complete wideband I/Q modulator chip. The kit allows evaluation of the I/Q modulator, synthesizer, 3-wire programming interface, and power- management features. The EV kit provides 50Ω connectors for all signal inputs and outputs.

    Applications

    • LMDS
    • Satellite Uplink
    • Wireless Base Stations
    • Wireless Broadband
    MAX2150EVKIT
    Evaluation Kit for MAX2150

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