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ADF4212L:  DUAL POWER PLL FREQUENCY SYNTHESIZER

The ADF4212L is a dual frequency synthesizer that can be used to implement local oscillators (LO) in the up-conversion and down-conversion sections of wireless receivers and transmitters. It can provide the LO for both the RF and IF sections. It consists of a low noise digital PFD (Phase Frequency Detector), a precision charge pump, a programmable reference divider, programmable A and B counters, ...More

ADF4212L:  DUAL POWER PLL FREQUENCY SYNTHESIZER

Product Description

The ADF4212L is a dual frequency synthesizer that can be used to implement local oscillators (LO) in the up-conversion and down-conversion sections of wireless receivers and transmitters. It can provide the LO for both the RF and IF sections. It consists 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 14-bit reference counter (R Counter), allows selectable REFIN frequencies at the PFD input. A complete PLL (Phase-Locked Loop) can be implemented if the synthesizer is used with external loop filters and VCOs (Voltage Controlled Oscillators).

Control of all the on-chip registers is via a simple 3-wire interface with 1.8 V compatibility. The devices operate with a power supply ranging from 2.6 V to 3.3 V and can be powered down when not in use.

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  • IDD Total, 7.5 mA
  • Bandwidth RF/IF, 2.4 GHz/1.0 GHz
  • 2.7 V to 3.3 V Power Supply
  • Separate VP Allows Extended Tuning Voltage
  • 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
  • Lead TSSOP and 20-Lead MLF Chip Scale Package
  • Type: Dual Integer-N
  • Max RF Input (MHz): 2400MHz
  • Norm Phase Noise (dBc/Hz): -215dBc
  • Max REFin (MHz): 115MHz
  • RF Prescalers: 16/17,32/33,64/65,8/9
  • Supply Current : 6mA
  • Package: 20-Lead CSP,20-Lead TSSOP

Functional Block Diagram for ADF4212L

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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.