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ADF4002:  PHASE DETECTOR / PLL FREQUENCY SYNTHESIZER

The ADF4002 frequency synthesizer is used to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. It consists of a low-noise digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider and programmable N divider. The 14-bit reference counter (R counter), allows selectable REFIN ...More

ADF4002:  PHASE DETECTOR / PLL FREQUENCY SYNTHESIZER

Product Description

The ADF4002 frequency synthesizer is used to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. It consists of a low-noise digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider and programmable N divider. The 14-bit reference counter (R counter), allows selectable REFIN frequencies at the PFD input.

A complete phase-locked loop (PLL) can be implemented if the synthesizer is used with an external loop filter and voltage controlled oscillator (VCO). In addition, by programming R & N to 1, the part can be used as a stand alone PFD and charge pump.

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  • 400 MHz bandwidth
  • 2.7 to 3.3 V power supply
  • Separate charge pump supply (VP) allows extended tuning voltage in 3 V systems
  • Programmable charge pump currents
  • 3-wire serial interface
  • Analog and digital lock detect
  • Hardware and software power-down mode
  • 200 MHz phase detector
  • Type: Single Integer-N
  • Max RF Input (MHz): 400MHz
  • Norm Phase Noise (dBc/Hz): -222dBc
  • Max REFin (MHz): 300MHz
  • RF Prescalers: n/a
  • Supply Current : 5mA
  • Package: 16-Lead TSSOP,20-Lead CSP

Functional Block Diagram for ADF4002

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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.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.