ADF4216

Dual, Integer-N 0.5 GHz / 1.2 GHz PLL
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Product Details


The ADF4216/ADF4217/ADF4218 is a dual frequency synthesizer which can be used to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. They can provide the LO for both the RF and IF sections. They consist of a low-noise digital PFD (Phase Frequency Detector), a precision charge pump, a programmable reference divider, programmable A and B counters and a dual-modulus prescaler (P/P+1). The A (6-bit) and B (11-bit) counters, in conjunction with the dual modulus prescaler (P/P+1), implement an N divider (N= BP+A). In addition, the 14-bit reference counter (R Counter), allows selectable REFIN frequencies at the PFD input. A complete PLL (Phase-Locked Loop) can be implemented if the synthesizers are used with an external loop filter and VCO's (Voltage Controlled Oscillators). 

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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.

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ADF4216 Companion Parts

Recommended Linear Regulators

  • For a step up, 3V to 5V regulator , we recommend the ADP1613 .
  • For ultralow noise, 3V applications,150 mA output , we recommend the ADP150 .
  • For high accuracy, 5V applications , we recommend the ADP3334 .
  • For ultalow noise, 3V applications, 200 mA output , we recommend the ADP151 .

Recommended Divide-by-4 Prescaler

  • For a low noise, low power, fixed RF block , we recommend the ADF5001 .

Recommended Modulators/Demodulators

  • For broadband quadrature IF/RF signals , we recommend the ADL5375 or the ADL5380 .

Recommended PLL Active Filter

  • For an ultralow noise, rail-to-rail amplifier , we recommend the OP184 .

Recommended RF Mixers

  • For 10 MHz to 6 GHz, high dynamic range active mixers , we recommend the ADL5801 or the ADL5802 .

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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.

ADF4216 Material Declaration
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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