The AD808 provides the receiver functions of data quantization, signal level detect, clock recovery and data retiming for 622 Mbps NRZ data. The device, together with a PIN diode/preamplifier combination, can be used for a highly integrated, low cost, low power SONET OC-12 or SDH STM-4 fiber optic receiver. * Meets CCITT G.958 Requirements for STM-4 Regenerator—Type A * Meets Bellcore TR-NWT-000253 Requirements for OC-12 * Output Jitter: 2.5 Degrees RMS * 622 Mbps Clock Recovery and Data Retiming * Accepts NRZ Data, No Preamble Required * Phase-Locked Loop Type Clock Recovery—No Crystal Required * Quantizer Sensitivity: 4 mV * Level Detect Range: 10 mV to 40 mV, Programmable * Single Supply Operation: +5 V or –5.2 V * Low Power: 400 mW * 10 KH ECL/PECL Compatible Output * Package: 16-Lead Narrow 150 mil SOIC