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Manufacturer / Brand: AD
Details: Dual Fractional-N/Integer-NFrequency Synthesizer
Series: ADF4252
Quantity Available: Over 39750 pieces

Datasheet for ADF4252:

ADF4252 datasheet
Price for ADF4252
Product Parameters
  • Manufacturer Part Number : ADF4252
  • Manufacturer : AD
  • Description : Dual Fractional-N/Integer-NFrequency Synthesizer
  • Series : ADF4252
  • Reference Price : USD 2.136
  • Our Price : We have a better price, contact us by email
  • Product Type : Phase Locked Loop (PLL) Synthesizers
  • Function : Fractional-N PLL
  • Current Suggest : Production
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : ADF4252
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of ADF4252
  • 3.0 GHz fractional-N/1.2 GHz integer-N
  • 2.7 V to 3.3 V power supply
  • Separate VP allows extended tuning voltage to 5 V
  • Programmable dual modulus prescaler
    • RF: 4/5, 8/9
    • IF: 8/9, 16/17, 32/33, 64/65
  • Programmable charge pump currents
  • 3-wire serial interface
  • Digital lock detect
  • Power-down mode
  • Programmable modulus on fractional-N synthesizer
  • Trade off noise vs. spurious performance
Product Detailed Description for ADF4252

The ADF4252 is a dual fractional-N/integer-N frequencysynthesizer that can be used to implement local oscillators (LO)in the upconversion and downconversion sections of wirelessreceivers and transmitters. Both the RF and IF synthesizersconsist of a low noise digital phase frequency detector (PFD), aprecision charge pump, and a programmable reference divider.The RF synthesizer has a Σ-Δ-based fractional interpolator thatallows programmable fractional-N division. The IF synthesizerhas programmable integer-N counters. A complete phase-lockedloop (PLL) can be implemented if the synthesizer is used withan external loop filter and voltage controlled oscillator (VCO).

Control of all the on-chip registers is via a simple 3-wire interface.The device operates with a power supply ranging from 2.7 V to3.3 V and can be powered down when not in use.

Applications
  • Base stations for mobile radio (GSM, PCS, DCS, CDMA, WCDMA)
  • Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA)
  • Wireless LANs
  • Communications test equipment
  • CATV equipment
Lifecycle information of ADF4252

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.

ADF4252 More photos
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