ADF4212L

Dual Power PLL Frequency Synthesizer
Manufactured by:

Product Details

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 phase frequency detector (PFD), 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 phase-locked loop (PLL) can be implemented if the synthesizer is used with external loop filters and voltage controlled oscillators (VCOs).

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 2.7 V to 3.3 V and can be powered down when not in use.

Applications

  • Wireless handsets (GSM, PCS, DCS, DSC1800, CDMA, WCDMA)
  • Base stations for wireless Radio (GSM, PCS, DCS, CDMA, WCDMA)
  • Wireless LANS
  • Cable TV tuners (CATV)
  • Communications test equipment

Product Lifecycle

checked Production

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.

Tools & Simulations

X +

Design Tools

Product Recommendations

X +
ADF4212L Companion parts

Recommended Linear Regulators

  • For ultalow noise, 3V applications, 200 mA output , we recommend the ADP151 .
  • For a step up, 3V to 5V regulator , we recommend the ADP1613 .
  • For high accuracy, 5V applications , we recommend the ADP3334 .
  • For ultralow noise, 3V applications,150 mA output , we recommend the ADP150 .

Recommended Divide-by-4 Prescaler

  • For a low noise, low power, fixed RF block , we recommend the ADF5001 .

Recommended Modulators/Demodulators

  • For broadband quadrature IF/RF signals , we recommend the ADL5375 or the ADL5380 .

Recommended PLL Active Filter

  • For an ultralow noise, rail-to-rail amplifier , we recommend the OP184 .

Recommended RF Mixers

  • For 10 MHz to 6 GHz, high dynamic range active mixers , we recommend the ADL5801 or the ADL5802 .

Design Resources

X +

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

ADF4212L Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

Discussions

X+

Didn't find what you were looking for?

Sample & Buy

X+
Back
Check Inventory

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.


Price Table Help