AD9572 Datasheet - Analog Devices

AD9572, Fiber Channel/Ethernet Clock Generator IC

Fiber Channel/Ethernet Clock Generator IC, 7 Clock Outputs AD9572 .

Features

* Fully integrated dual VCO/PLL cores 0.22 ps rms jitter from 0.637 MHz to 10 MHz at 106.25 MHz 0.19 ps rms jitter from 1.875 MHz to 20 MHz at 156.25 MHz 0.42 ps rms jitter from 12 kHz to 20 MHz at 125 MHz Input crystal or clock frequency of 25 MHz Preset divide ratios for 106.25 MHz, 156.25 MHz, 33.3

Applications

* Fiber channel line cards, switches, and routers Gigabit Ethernet/PCIe support included Low jitter, low phase noise clock generation FUNCTIONAL BLOCK DIAGRAM REFSEL REFCLK XTAL OSC LDO VCO CMOS 1 × 25MHz LVPECL OR LVDS 2 × 106.25MHz DIVIDERS PFD/CP LPF THIRD ORDER PFD/CP LPF 3RD ORDER AD9

AD9572_AnalogDevices.pdf