ADF4219L

a Dual Low Power Frequency Synthesizers ADF4217L/ADF4218L/ADF4219L FEATURES Total IDD: 7.1 mA Bandwidth/RF 3.0 GHz ADF4217L/ADF4218L, IF 1.1 GHz ADF4219L, IF 1.0 GHz 2.6 V to 3.3 V Power Supply 1.8 V Logic Compatibility Separate VP Allows Extended Tuning Voltage Selectable Dual Modulus Prescaler Selectable Charge Pump Currents Charge Pump Current Matching of 1% 3-Wire Serial Interface Power-Down Mode APPLICATIONS Wireless Handsets (GSM, PCS, DCS, CDMA, WCDMA) Base Stations for Wireless Radio (GSM, PCS, DCS, WCDMA) Wireless LANs Communications Test Equipment Cable TV Tuners (CATV) GENERAL DESCRIPTION The ADF4217L/ADF4218L/ADF4219L are low power dual frequency synthesizers that 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 div...