SA8027 Datasheet (Philips) - 2.5 GHz low voltage / low power RF fractional-N/IF integer frequency synthesizer

SA8027, 2.5 GHz low voltage / low power RF fractional-N/IF integer frequency synthesizer

The SA8027 BICMOS device integrates programmable dividers, charge pumps and phase comparators to implement phase-locked loops.

The device is designed to operate from 3 NiCd cells, in pocket phones, with low current and nominal 3 V supplies.

The synthesizer operates at VCO input frequencies up to 2.5

SA8027 Features

* Low phase noise

* Low power

* Fully programmable main and auxiliary dividers

* Programmable Normal & Integral charge pumps outputs

* Fast Locking Adaptive mode design

* Internal fractional spurious compensation

* Hardware and software power d