AD9520-1BCPZ

AD9520-1 provides a multioutput clock distribution function with subpicosecond jitter performance, along with an on-chip PLL and VCO. It is a serial interface that supports both SPI and I²C ports. An in-package EEPROM, which can be programmed through the serial interface, can store user-defined register settings for power-up and chip reset. It features 12 LVPECL outputs in four groups. Any of the 1.6GHz LVPECL outputs can be reconfigured as two 250MHz CMOS outputs. Application includes low jitter, low phase noise clock distribution, clock generation and translation for SONET, 10Ge, 10GFC, synchronous Ethernet, OTU2/3/4, forward error correction (G.710), clocking high speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs, high performance wireless transceivers ATE and high performance instrumentation, broadband infrastructures.

• Low phase noise, phase-locked loop (PLL), 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 analogue lock detect, selectable, automatic synchronization of all outputs on power-up
• SPI- and I²C-compatible serial control port, non-volatile EEPROM stores configuration settings
• VS is 3.3V (typ, 3.3V ± 5%, VS ≤ VCP ≤ 5.25V, TA = 25°C)
• Frequency range from 2270 to 2650MHz (VS = VS-DRV = 3.3V ± 5%, VS ≤ VCP ≤ 5.25V, TA = 25°C)
• Phase noise at 1KHz offset is -50dBc/Hz (typ, f = 2475MHz, VS = VS-DRV = 3.3V ± 5%, TA = 25°C)
• Pulse width high/low is 1.8ns (min, f = 2475MHz, VS = VS-DRV = 3.3V ± 5%, TA = 25°C)
• 64-lead LFCSP-VQ package, temperature range from -40°C to +85°C

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