Datasheet for ADF4252BCPZ:
- Manufacturer Part Number : ADF4252BCPZ
- Manufacturer : AD
- Description : Dual Fractional-N/Integer-NFrequency Synthesizer IC
- 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 : ROHS Compliant (Lead Free)
- Package Type : 24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP)
- Pins : 24
- MFG Package Case : CP-24-10
- Part Type : OTH
- Standard Packing Type : Tray
- Standard Packing Quantity : 490
- Working Temperature : -40 to 85C
- Other Part Number : ADF4252BCPZ
- 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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- 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
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.
- Base stations for mobile radio (GSM, PCS, DCS, CDMA, WCDMA)
- Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA)
- Wireless LANs
- Communications test equipment
- CATV equipment
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.
