Features and Benefits

  • Wideband: 33 - 4100 MHz
  • Maximum Phase Detector Rate 100 MHz
  • PLL FOM: -230 dBc/Hz Integer Mode, -227 dBc/Hz Fractional Mode
  • < 160 fs Integrated RMS Jitter (1 kHz to 100 MHz)
  • Figure of Merit (FOM) -226 dBc/Hz
  • Low Noise Floor: -165 dBc/Hz
  • 2 Differential RF or 4 Single Ended Outputs
  • External LO Input:
    Exact Frequency Mode:
    0 Hz Fractional Frequency Error
  • Programmable RF Output Phase
  • Output Phase Synchronous Frequency Changes
  • Output Phase Synchronization
  • Programmable Output Phase
  • RF Output Mute Function
  • 40 Lead 6x6 mm SMT Package: 36 mm2

Product Details

The HMC835LP6GE is a low noise, wide band, Fractional-N PLL that features an integrated VCO with a fundamental frequency of 2020 to 4100 MHz, and an integrated VCO Output Divider (divide by 2/4/6/.../60/62) that together enable the HMC835LP6GE to generate frequencies from 33 MHz to 4100 MHz. Integrated Phase Detector (PD) and a deltasigma modulator capable of operating at up to 100 MHz enable wider loop-bandwidths, faster frequency changes along with excellent spectral performance.

Two independent RF outputs, with independent gain control, enable the HMC835LP6GE to distribute identical frequency and phase signals to multiple destinations, at optimal signal levels tailored to each output.

External VCO input, allows the HMC835LP6GE to lock external VCOs, and enables cascaded LO architectures for MIMO radio applications. Two separate Charge Pump (CP) outputs enable separate loop filters optimized for both integrated and external VCOs, and seamless switching between integrated or external VCOs during operation. Programmable RF output phase feature can further phase adjust and synchronize multiple HMC835LP6GEs enabling scalable MIMO and beam-forming radio architectures.

Additional features include configurable output mute function that mutes RF outputs during frequency changes, Exact Frequency Mode that enables the HMC835LP6GE to generate fractional frequencies with 0 Hz frequency error, and the ability to synchronously change frequencies without changing the phase of the output signal.


  • MIMO Radio Architectures
  • Cellular Infrastructure
  • Cellular backhaul
  • Communications Test Equipment
  • CATV Equipment
  • Phased Array Applications 
  • DDS Replacement

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (1)

Tools & Simulations

Design Tools


ADIsimPLL enables the rapid and reliable evaluation of new high performance PLL products from ADI. It is the most comprehensive PLL Synthesizer design and simulation tool available today. Simulations performed include all key non-linear effects that are significant in affecting PLL performance. ADIsimPLL removes at least one iteration from the design process, thereby speeding the design- to-market.

Product Recommendations

HMC835 Companion Parts

Recommended Reference Buffer

  • With integrated filters for improved noise: LTC6957.

Recommended Reference Clean Up PLL

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.