Continuous Rate 10 Mb/s to 1.25 Gb/s Clock and Data Recovery IC with Integrated Limiting Amp Data Sheet ADN2813 FEATURES GENERAL DESCRIPTION Serial data input: 10 Mb/s to 1.25 Gb/s The ADN2813 provides the receiver functions of quantization, Exceeds SONET requirements for jitter transfer/ signal level detect, and clock and data recovery for continuous generation/tolerance data rates from 10 Mb/s to 1.25 Gb/s. The ADN2813 automati- Quantizer sensitivity: 3.3 mV typ cally locks to all data rates without the need for an external Adjustable slice level: 95 mV reference clock or programming. All SONET jitter requirements Patented clock recovery architecture are met, including jitter transfer, jitter generation, and jitter Loss-of-signal (LOS) detect range: 2.3 mV to 19 mV tolerance. All specifications are quoted for 40C to +85C Independent slice level adjust and LOS detector ambient temperature, unless otherwise noted. No reference clock required This device, together with a PIN diode and a TIA preamplifier, Loss-of-lock indicator 2 can implement a highly integrated, low cost, low power fiber I C interface to access optional features optic receiver. Single-supply operation: 3.3 V Low power: 450 mW typ The receiver front-end, loss-of-signal (LOS) detector circuit 5 mm 5 mm 32-lead LFCSP, Pb free indicates when the input signal level has fallen below a user- adjustable threshold. The LOS detect circuit has hysteresis to APPLICATIONS prevent chatter at the output. SONET OC-1/-3/-12 and all associated FEC rates The ADN2813 is available in a compact 5 mm 5 mm, Fibre Channel, GbE, HDTVs 32-lead LFCSP. WDM transponders Regenerators/repeaters Test equipment Broadband cross-connects and routers FUNCTIONAL BLOCK DIAGRAM REFCLKP/N LOL CF1 CF2 VCC VEE (OPTIONAL) LOOP FREQUENCY 2 FILTER SLICEP/N DETECT PIN PHASE PHASE LOOP QUANTIZER NIN VCO SHIFTER DETECT FILTER VREF LOS DATA DETECT RE-TIMING 2 2 ADN2813 THRADJ LOS DATAOUTP/N CLKOUTP/N Figure 1. Rev. C Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 20052014 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com 04951-0-001ADN2813 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Theory of Operation ...................................................................... 14 Applications ....................................................................................... 1 Functional Description .................................................................. 16 General Description ......................................................................... 1 Frequency Acquisition ............................................................... 16 Functional Block Diagram .............................................................. 1 Limiting Amplifier ..................................................................... 16 Revision History ............................................................................... 2 Slice Adjust .................................................................................. 16 Specifications ..................................................................................... 3 Loss-of-Signal (LOS) Detector ................................................. 16 Jitter Specifications ....................................................................... 4 Lock Detector Operation .......................................................... 16 Output and Timing Specifications ............................................. 5 Harmonic Detector .................................................................... 17 Absolute Maximum Ratings ............................................................ 6 SQUELCH Mode ........................................................................ 18 2 Thermal Characteristics .............................................................. 6 I C Interface ................................................................................ 18 ESD Caution .................................................................................. 6 Reference Clock (Optional) ...................................................... 18 Timing Characteristics ..................................................................... 7 Applications Information .............................................................. 21 Pin Configuration and Function Descriptions ............................. 8 PCB Design Guidelines ............................................................. 21 Typical Performance Characteristics ............................................. 9 DC-Coupled Application .......................................................... 23 2 I C Interface Timing and Internal Register Description ........... 10 Coarse Data Rate Readback Look-Up Table ............................... 24 Terminology .................................................................................... 12 Outline Dimensions ....................................................................... 26 Jitter Specifications ......................................................................... 13 Ordering Guide .......................................................................... 26 REVISION HISTORY 4/14Rev. B to Rev. C Updated Outline Dimensions ....................................................... 26 Changes to Ordering Guide .......................................................... 26 6/10Rev. A to Rev. B Changes to Figure 5 and Table 5 ..................................................... 8 Changes to Figure 24 ...................................................................... 21 Updated Outline Dimensions ....................................................... 26 2/09Rev. 0 to Rev. A Updated Outline Dimensions ....................................................... 26 Changes to Ordering Guide .......................................................... 26 9/05Revision 0: Initial Version Rev. C Page 2 of 28