AD9518-2 is a 6-output clock generator with integrated 2.2 GHz VCO, featuring low phase noise and phase-locked loop function.
The AD9518-2 is a 6‑output clock generator with an integrated 2.2 GHz VCO, offering low phase‑noise and low jitter performance for high‑speed data converters, wireless transceivers, and instrumentation. It supports both internal and external VCO/VCXO options, multiple reference inputs, and programmable delays.
The document provides a functional block diagram, detailed specifications, PLL characteristics, clock input and output configurations, timing characteristics, and serial control port information, along with application notes and operational configurations.
| VCO Frequency Range | 2.05 GHz – 2.335 GHz |
|---|---|
| Phase Noise @ 100 kHz Offset | ‑107 dBc/Hz |
| Maximum LVPECL Output Frequency | 2.95 GHz |
| Core Supply Voltage (Vs) | 3.3 V (typ), 3.135 V – 3.465 V (min‑max) |
| Reference Input Frequency Range | 0 – 250 MHz |
| LVPECL Output Rise Time | 70 – 180 ps |
The on‑chip VCO tunes from 2.05 GHz to 2.33 GHz.
It provides six LVPECL outputs arranged in three pairs.
The device operates from a single 3.3 V supply (typical 3.135 V – 3.465 V).
The additive phase noise is –130 dBc/Hz at a 1 kHz offset.