The MAX2870 from Maxim Integrated is a phase-locked loop (PLL) with integrated voltage controlled oscillators (VCOs) that operates in both integer-N and fractional-N modes. It is capable of synthesizing frequencies from 23.5 MHz to 6.0 GHz while maintaining superior phase noise and spurious performance, when combined with an external reference oscillator and loop filter. This ultra-wide frequency range is achieved with the help of multiple integrated VCOs covering 3000 MHz to 6000 MHz, and output dividers ranging from 1 to 128.

It provides dual differential output drivers, which can be independently programmable to deliver -4 dBm to +5 dBm output power. Both outputs can be muted by either software or hardware control. The device is controlled by a 3-wire serial interface and is compatible with 1.8 V control logic. It is available in a lead-free, RoHS-compliant, 5 mm x 5 mm, 32-pin TQFN package and is ideal for clock generation, wireless infrastructure, satellite communications, test and measurement applications.

Product Specifications

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Product Details

  • Part Number
    MAX2870
  • Manufacturer
    Maxim Integrated
  • Description
    23.5 MHz to 6000 MHz Fractional/Integer-N Synthesizer/VCO

General Parameters

  • Application
    SATCOM, Test & Measurement, Wireless Infrastructure
  • Application Type
    WLAN, CATV
  • Type
    Fractional-N PLL, Fractional-N PLL with VCO
  • Frequency
    23.5 to 6000 MHz
  • Configuration
    PLL + VCO
  • Phase Noise
    -83.5 to -143 dBc/Hz
  • Output Power
    -4 to 5 dBm
  • Package Type
    Surface Mount
  • Operating Temperature
    -40 to 85 Degrees C
  • PLL Voltage
    3 to 3.6 V
  • Storage Temperature
    -65 to 150 Degrees C

Technical Documents