ADF4218L Low Power dual RF/IF Integer-N PLL

The ADF4218L Synthesizer IC when combined with a VCO and loop filter forms a complete phased locked loop (PLL). This solution from ADI creates state-of-the-art LO's (local oscillator) for the upconversion and downconversion of RF signals in Wireless applications. The PLL 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 ADF4217L and ADF4218L are low current consumption improvements on the released ADF4217 and ADF4218 and are available in TSSOP and MLF (LFCSP). The ADF4219L is a Phase Noise upgrade & pin compatible to the LMX2370 from National Semiconductor and is available in both TSSOP and MLF (Cason).

Sales Collateral Available: Full data sheet with performance graphs, press release, circuit simulation included in ADISimPLL released on February 1, 2002, evaluation board and software available.

Features and Benefits
  • Low Phase Noise
  • Separate VP allows extended tuning range
  • 2.6V to 3.3V single Power supply
  • TSSOP and chip scale package available
  • Programmable charge pump currents
  • 1.8V Logic compatibility
  • Low current consumption (7.0mA total Idd)
  • Selectable dual modulus prescaler values
  • ADF4219L is a Phase noise upgrade to LMX2370
  • RF & Microwave
    Data Sheets
    Documentnote
    ADF4217L/ADF4218L/ADF4219L: Dual Low Power Frequency Synthesizers Data Sheet (Rev. C)PDF 284 kB
    Application Notes
    Documentnote
    AN-873: Lock Detect on the ADF4xxx Family of PLL Synthesizers (Rev. 0)PDF 207 kB
    AN-30: Ask the Applications Engineer - PLL SynthesizersPDF 184 kB
    Frequently Asked Questions
    Documentnote
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    ADF4218LBRUZ Production20 ld TSSOPOTH 75-40 to 85C2.992.54Y
    ADF4218LBRUZ-REEL Production20 ld TSSOPREEL 2500-40 to 85C02.54Y
    ADF4218LBRUZ-REEL7 Production20 ld TSSOPREEL 1000-40 to 85C02.54Y
    Reference Materials
    ADF4217L/ADF4218L/ADF4219L: Dual Low Power Frequency Synthesizers Data Sheet (Rev. C) adf4218l
    AN-30: 应用工程师答问—30 adf4360-1
    AN-873: ADF4xxx系列PLL频率合成器的锁定检测 (Rev. 0) ad9540
    AN-873: Lock Detect on the ADF4xxx Family of PLL Synthesizers (Rev. 0) ad9540
    AN-30: Ask the Applications Engineer - PLL Synthesizers adf4360-1
    RF Source Booklet adf9010
    用于高频接收器和发射器的锁相环——第一部分 ad809
    用于高频接收器和发射器的锁相环——第二部分 ad809
    用于高频接收器和发射器的锁相环——第三部分 ad809