ADF4153A

Data Sheet Fractional-N Frequency Synthesizer ADF4153A FEATURES GENERAL DESCRIPTION RF bandwidth to 4 GHz 2.7 V to 3.3 V power supply Separate VP allows extended tuning voltage Programmable fractional modulus Programmable charge pump current 3-wire serial interface Analog and digital lock detect Power-down mode Pin-compatible with ADF4106, ADF4110/ADF4111/ ADF4112/ADF4113, and ADF4153 Consistent RF output phase Loop filter design possible with ADIsimPLL APPLICATIONS CATV equipment Base stations for mobile radio (GSM, PCS, DCS, WiMAX, SuperCell 3G, CDMA, W-CDMA) Wireless handsets (GSM, PCS, DCS, CDMA, W-CDMA) Wireless LANs, PMR Communications test equipment The ADF4153A is a fractional-N frequency synthesizer that implements local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. It consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. A sigma-delta (Σ-Δ) bas...