The ADN2805 is a 1.25Gbps clock and data recovery IC that provides quantization and clock and data recovery functions. It automatically locks to all data rates without the need for an external reference clock or programming.
The ADN2805 is a 1.25 Gbps clock and data recovery IC that locks to NRZ serial data without an external reference clock. It meets SONET jitter requirements and includes a loss‑of‑lock indicator and optional PC interface.
The document provides full electrical specifications, pin‑out descriptions, timing diagrams, layout guidelines, absolute maximum ratings, thermal characteristics, and ordering information for the 5 mm × 5 mm 32‑lead LFCSP package.
| Power Supply Voltage | 3.0 V – 3.6 V |
|---|---|
| Power Supply Current (locked to 1.25 Gbps) | 118 mA – 131 mA |
| Operating Temperature Range | -40 °C to +85 °C |
| Rise Time (LVDS output) | 115 ps – 220 ps |
| Jitter Peaking | 0 dB – 0.03 dB |
| Jitter Generation | 0.001 µrms – 0.003 µrms |
No, the ADN2805 automatically locks to all data rates without the need for an external reference clock.
The device supports a data rate of 1.25 Gbps (1250 Mbps).
The recommended power supply voltage is 3.0 V to 3.6 V.
It operates from –40 °C up to +85 °C.