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ADF4212:  DUAL, INTEGER-N 0.5 GHZ/3.0 GHZ PLL

The ADF4210/ADF4211/ADF4212/ADF4213 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, ...More

ADF4212:  DUAL, INTEGER-N 0.5 GHZ/3.0 GHZ PLL

Product Description

The ADF4210/ADF4211/ADF4212/ADF4213 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 (12-bit) counters, in conjunction with the dual modulus prescaler (P/P+1), implement an N divider (N= BP+A). In addition, the 15-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)Control of all the on-chip registers is via a simple 3-wire interface. The devices operate with a 3V ( ± 10%) or 5V( ± 10%) power supply and can be powered down when not in use.

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  • ADF4210: 550 MHz/1.2 GHz
  • ADF4211: 550 MHz/2.0 GHz
  • ADF4212: 1.0 GHz/2.7 GHz
  • ADF4213: 1.0 GHz/3 GHz
  • 2.7 V to 5.5 V Power Supply
  • Separate Charge Pump Supply (VP) Allows Extended Tuning Voltage in 3 V Systems
  • Programmable Dual Modulus Prescaler RF and IF: 8/9, 16/17, 32/33, 64/65
  • Programmable Charge Pump Currents
  • 3-Wire Serial Interface
  • Analog and Digital Lock Detect
  • Fastlock Mode
  • Power-Down Mode
  • Type: Dual Integer-N
  • Max RF Input (MHz): 2700MHz
  • Norm Phase Noise (dBc/Hz): 91dBc
  • Max REFin (MHz): 115MHz
  • RF Prescalers: 16/17,32/33,64/65,8/9
  • Supply Current : 11.5mA
  • Package: 20-Lead CSP,20-Lead TSSOP

Functional Block Diagram for ADF4212

ADF4212 Diagram
Functional Block Diagram for ADF4212

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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.