
Analog Devices
GENERAL DESCRIPTION
The ADN2817/ADN2818 provide the receiver functions of quantization, signal level detect, and clock and data recovery for continuous data rates from 10 Mbps to 2.7 Gbps. The ADN2817/ADN2818 automatically lock to all data rates without the need for an external reference clock or programming. All SONET jitter requirements are exceeded, including jitter transfer, jitter generation, and jitter tolerance. All specifications are quoted for −40°C to +85°C ambient temperature, unless otherwise noted.
FEATURES
Serial data input: 10 Mbps to 2.7 Gbps
Exceeds ITU-T jitter specifications
Integrated limiting amplifier
5 mV p-p sensitivity (ADN2817 only)
Adjustable slice level: ±100 mV (ADN2817 only)
Patented dual-loop clock recovery architecture
Programmable LOS detect (ADN2817 only)
Integrated PRBS generator and detector
No reference clock required
Loss of lock indicator
Supports double data rate
Bit error rate monitor (BERMON) or sample phase adjust options
Rate selectivity without the use of a reference clock
I2C interface to access optional features
Single-supply operation: 3.3 V
Low power
650 mW (ADN2817)
600 mW (ADN2818)
5 mm × 5 mm 32-lead LFCSP
APPLICATIONS
SONET OC-1, OC-3, OC-12, OC-48, and all associated FEC rates
Fibre Channel, 2× Fibre Channel, GbE, HDTV
WDM transponders
Regenerators/repeaters
Test equipment