Analog Devices ADF4252 - Lowest Phase Noise PLL Synthesizer using Fractional-N Technology
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ADF4252 Lowest Phase Noise PLL Synthesizer using Fractional-N Technology

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Application Notes Evaluation Boards Price, Packaging, and Availability
Product Description
The ADF4252 Fractional-N Synthesizer when combined with a VCO and loop filter forms a complete phased locked loop (PLL). This solution from ADI creates state-of-the-art LO's (local oscillator) for...More
 Specifications
Type Dual Fractional-N
Max RF Input (MHz) 3000MHz
Norm Phase Noise (dBc/Hz) -214dBc
Max REFin (MHz) 150MHz
RF Prescalers 4/5, 8/9
Supply Current (max) 12mA
Package 24-Lead CSP
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 Functional Block Diagram Enlarge
ADF4252
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 Features
  • Sigma-delta based fractional-N technology ensures superior Phase Noise and spurious performance is maintained over temperature
  • Flexibility of programmable fractional-modulus ensures exact output frequencies can be synthesized.
  • 0.1 - 3.0GHz Fractional-N / 0.05 - 1.2GHz Integer-N PLL's
  • 3 wire Serial Interface with 1.8V logic compatibility
  • 250MHz REFin Frequency
  • 8 x Programmable charge pump
    currents
  • PFD frequencies up to 30MHz allow
    faster settling and lower phase noise.
  • Supported on ADIsimPLL software
    design tool
  • Available in 4x4mm Chipscale package
  • 2.7 - 3.3V Power Supply with separate
    Vp to 5V
 

 
 Design Tools
Evaluation Boards for PLL Synthesizers
Evaluation Boards for ISM Band Transmitters / Transceivers

 
Price, Packaging, and AvailabilityPrint Table
ADF4252 Model Options
Model Status Package Pins Temp
Range
Price*
(100-499)
Available RoHS Compliant Samples
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ADF4252BCP Prodn 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind $3.45 10/17/2008N
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Declaration
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ADF4252BCP-REEL Prodn 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind - 11/28/2008N
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Declaration
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ADF4252BCP-REEL7 Prodn 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind - 10/17/2008N
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Declaration
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ADF4252BCPZ Prodn 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind $3.14 10/17/2008Y
Material
Declaration
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ADF4252BCPZ-R7 Prodn 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind - 1/9/2009Y
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ADF4252BCPZ-RL Prodn 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind - - Y
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ADF4252BCPZ-U2 Prodn 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind - - Y
Material
Declaration
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EVAL-ADF4252EBZ2 Prodn EVALUATION BOARDS - Ind $121.44 10/17/2008Y Contact ADIAdd to Cart
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. View Samples Cart View Purchase Cart
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Part#TypeMax RF Input (MHz)Output Frequency Range Norm Phase Noise (dBc/Hz)Max REFin (MHz)RF PrescalersSupply Current (max)Prog Supply Current (mA)Programmable Output PowerPackagePrice* (1000 pcs.)
ADF4251Dual Fractional-N3000-1031504/5; 8/913--24-Lead CSP**
ADF4252Dual Fractional-N3000--2141504/5; 8/912--24-Lead CSP$2.67

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.