AD9522-3 is a 12 LVDS/24 CMOS output clock generator with integrated 2 GHz VCO.
The AD9522-3 is a 12‑output LVDS/CMOS clock generator with an on‑chip PLL and VCO that can be tuned from 1.72 GHz to 2.25 GHz. It supports both internal and external VCO/VCXO sources, offers selectable reference inputs, and provides flexible output division and phase‑delay settings.
This datasheet includes feature highlights, application areas, functional block diagrams, detailed specifications for power, PLL, clock inputs and outputs, timing characteristics, and programming information for the SPI/I²C control port and EEPROM configuration.
| VCO Frequency Range | 1720 MHz – 2250 MHz |
|---|---|
| Maximum LVDS Output Frequency | 800 MHz |
| LVDS Output Differential Voltage (VON) | 247 mV – 360 mV |
| Power Supply Voltage (VS) | 3.135 V – 3.465 V |
| Reference Input Frequency Range | 0 MHz – 250 MHz |
| Phase Noise @ 1 kHz Offset (LVDS output) | -62 dBc/Hz |
The on‑chip VCO can be tuned from 1.72 GHz to 2.25 GHz.
The device provides twelve LVDS outputs arranged in four groups.
Each LVDS channel can operate up to 800 MHz.
The part operates from a 3.3 V supply, with a typical range of 3.135 V to 3.465 V.