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  2. Clock and Timing
  3. Clock Generation and Distribution
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  5. HMC1032

Alternative Parts


Features and Benefits

  • Frequency Range: 125 - 350 MHz
  • 75 fs RMS Jitter Generation (Typical)
  • Exceeds G.8251 & GR-253-CORE Jitter Specifications
  • -165 dBc/Hz Phase Noise floor
  • Maximum Phase Detector Rate 100 MHz
  • Figure of Merit (FOM) -227 dBc/Hz
  • 24-Bit Step Size, Resolution 3 Hz Typical
  • Exact Frequency Mode
  • Built-in Digital Self Test
  • 40 Lead 6x6mm SMT Package: 36mm2

Product Details

The HMC1032LP6GE is a low-noise, wide-band clock generator IC with a fractional-N Phase Locked Loop (PLL) that features an integrated Voltage Controlled Oscillator (VCO). The device provides differential clock outputs between 125 and 350 MHz range. The HMC1032LP6GE features low noise Phase Detector (PD) and Delta-Sigma modulator, capable of operating at up to 100 MHz, permit wider loop-bandwidths with excellent spectral performance.

The HMC1032LP6GE features industry leading phase noise and jitter performance, across the operating range, that enable it to improve link level jitter performance, Bit-Error-Rates (BER) and eye diagram metrics. The superior noise floor (<-165 dBc/Hz) makes the HMC1032LP6GE an ideal source for a variety of applications –such as clock references for high speed data converters, physical layer devices (PHY), serializer/deserializer (SERDES) circuits, FPGAs and processors. The HMC1032LP6GE can also be used as reference clock and LO for 1G/10G Ethernet line cards as well as jitter attenuation and frequency translation.

The differential output of the HMC1032LP6GE includes a 2-bit output amplitude control which may be set via the SPI serial programming interface, and an output Mute function. The Delta-Sigma Modulator of the HMC1032LP6GE features Hittite’s Exact Frequency Mode, which enables users to generate output frequencies with close to 0 Hz frequency error.


  • 1G/10G Ethernet Line Cards
  • OTN & SONET/SDH Applications
  • High Frequency Processor Clocks
  • Low Jitter SAW Oscillator Replacement
  • Fiber Channel Interface Clocks
  • Cellular/4G Infrastructure
  • DDS Replacement
  • 10G Optical Modules, Transponders, Line Cards

Product Lifecycle icon-not-recommended Last Time Buy

All products in this family will be obsolete soon. Please contact ADI Sales or Distributors to arrange for final purchases and read our Obsolescence Information to review the time periods for placing final orders and receiving final shipments.

Tools & Simulations

IBIS Models

Product Recommendations

HMC1032 Companion Parts

Recommended Reference Buffer

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.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
HMC1032LP6GE Material Declaration Reliability Data 40-Lead QFN (6mm x 6mm w/ EP)
HMC1032LP6GETR Material Declaration Reliability Data 40-Lead QFN (6mm x 6mm w/ EP)
Wafer Fabrication Data

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Sample & Buy

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Evaluation Boards

Pricing displayed is based on 1-piece.

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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.