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  4. ADL5391

Data Sheet Rev. A
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Overview

Features and Benefits

  • Ultrafast symmetric multiplier
    • Function: VW = α × (VX × VY)/1 V + VZ
  • Unique design ensures absolute XY-symmetry
    • Identical X and Y amplitude/timing responses
  • Adjustable gain scaling, α
  • DC-coupled throughout, 3 dB bandwidth of 2 GHz
  • Fully differential inputs, may be used single ended
  • Low noise, high linearity
  • Accurate, temperature stable gain scaling
  • Single-supply operation (4.5 V to 5.5 V at 130 mA)
  • Low current power-down mode
  • 16-lead LFCSP

Product Details

The ADL5391 draws on three decades of experience in advanced analog multiplier products. It provides the same general mathematical function that has been field proven to provide an exceptional degree of versatility in function synthesis:

VW = α × (VX x VY)/1 V + VZ

The most significant advance in the ADL5391 is the use of a new multiplier core architecture, which differs markedly from the conventional form that has been in use since 1970. The conventional structure that employs a current mode, translinear core is fundamentally asymmetric with respect to the X and Y inputs, leading to relative amplitude and timing misalignments that are problematic at high frequencies. The new multiplier core eliminates these misalignments by offering symmetric signal paths for both X and Y inputs. The Z input allows a signal to be added directly to the output. This can be used to cancel a carrier or to apply a static offset voltage.

The fully differential X, Y, and Z input interfaces are operational over a ±2 V range, and they can be used in single-ended fashion. The user can apply a common mode at these inputs to vary from the internally set VPOS/2 down to ground. If these inputs are ac-coupled, their nominal voltage will be VPOS/2. These input interfaces each present a differential 500 Ω input impedance up to approximately 700 MHz, decreasing to 50 Ω at 2 GHz. The gain scaling input, GADJ, can be used for fine adjustment of the gain scaling constant (α) about unity.

The differential output can swing ±2 V about the VPOS/2 common-mode and can be taken in a single-ended fashion as well. The output common mode is designed to interface directly to the inputs of another ADL5391. Light dc loads can be ground referenced; however, ac-coupling of the outputs is recommended for heavy loads.

The ENBL pin allows the ADL5391 to be disabled quickly to a standby mode. It operates off supply voltages from 4.5 V to 5.5 V while consuming approximately 130 mA.

The ADL5391 is fabricated on Analog Devices, Inc. proprietary, high performance, 65 GHz, SOI complementary, SiGe bipolar IC process. It is available in a 16-lead, RoHS compliant, LFCSP and operates over a −40°C to +85°C temperature range. Evaluation boards are available.

Applications

  • Wideband multiplication and summing
  • High frequency analog modulation
  • Adaptive antennas (diversity/phased array)
  • Square-law detectors and true rms detectors
  • Accurate polynomial function synthesis
  • DC capable VGA with very fast control

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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Documentation & Resources

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  • Evaluation Design File (1)
  • Data Sheet (1)
  • Frequently Asked Question (1)
  • Product Selection Guide (1)
  • Technical Article (1)
    • Document Type
    Frequently Asked Question

    Tools & Simulations

    S-Parameter

    Design Tool

    ADIsimRF

    ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

    ADIsimPLL™

    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.

    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
    ADL5391ACPZ-R2 Material Declaration Reliability Data 16-Lead LFCSP (3mm x 3mm w/ EP)
    ADL5391ACPZ-R7 Material Declaration Reliability Data 16-Lead LFCSP (3mm x 3mm w/ EP)
    ADL5391ACPZ-WP Material Declaration Reliability Data 16-Lead LFCSP (3mm x 3mm w/ EP)
    Wafer Fabrication Data

    PCN-PDN Information

    Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.

    Select Model for PCN Information
    • ADL5391ACPZ-R2 Production
    • ADL5391ACPZ-R7 Production

    Support & Discussions

    ADL5391 Discussions

    RE: Synchrodyne/Homodyne mixer circuit using ADL5391
    All ADL5391 Discussions
    ADL5391 Contact ADI Technical Support »
    ADL5391 Ask your question »
    ADL5391 Contact ADI Technical Support » ADL5391 Ask your question »

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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.

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