ADN2809

The ADN2809 provides the receiver functions of Quantization, Signal Level Detect and Clock and Data Recovery at rates of  OC-3, OC-12, Gigabit Ethernet, OC-48 and all FEC rates. All  SONET jitter requirements are met, including: Jitter Transfer; Jitter Generation; and Jitter Tolerance. All specifications are quoted for -40 to 85C ambient temperature unless otherwise  noted. The device is intended for WDM system applications and can be  used with either an external reference clock or an on-chip  oscillator crystal.  Both native rates and 15/14 rate digital  'wrappers' rates are supported by the ADN2809, without any  change of reference clock required.

This device together with a PIN diode and a TIA preamplifier  can implement a highly integrated, low cost, low power fiber  optic receiver. The receiver front end Signal Detect circuit indicates when the  input signal level has fallen below a user adjustable threshold.  The ADN2809 is available in a compact 48 pin chip scale  package.