AD9520-5

Data Sheet 12 LVPECL/24 CMOS Output Clock Generator AD9520-5 FEATURES Low phase noise, phase-locked loop (PLL) Optional external 3.3 V/5 V VCO/VCXO to 2.4 GHz 1 differential or 2 single-ended reference inputs Accepts CMOS, LVDS, or LVPECL references to 250 MHz Accepts 16.62 MHz to 33.3 MHz crystal for reference input Optional reference clock doubler Reference monitoring capability Automatic/ manual reference holdover and reference switchover modes, with revertive switching Glitch-free switchover between references Automatic recovery from holdover Digital or analog lock detect, selectable Optional zero delay operation Twelve 1.6 GHz LVPECL outputs divided into 4 groups Each group of 3 outputs shares a 1-to-32 divider with phase delay Additive output jitter as low as 225 fs rms Channel-to-channel skew grouped outputs < 16 ps Each LVPECL output can be configured as 2 CMOS outputs (for fOUT ≤ 250 MHz) Automatic synchronization of all outputs on power-up Manual output synchronization av...