Overview

Features and Benefits

  • Exceeds SONET requirements for jitter transfer/generation/tolerance
  • Quantizer sensitivity: 3.3 mV typical
  • Adjustable slice level: ±95 mV
  • Loss-of-signal (LOS) detect range: 2.6 mV to 18.4 mV
  • Independent slice level adjust and LOS detector
  • Patented clock recovery architecture
  • No reference clock required
  • Loss-of-lock indicator
  • I2C® interface to access optional features
  • Single-supply operation: 3.3 V
  • Low power: 423 mW typical
  • 5 mm × 5 mm, 32-lead LFCSP, Pb free

Product Details

The ADN2804 provides the receiver functions of quantization, signal level detect, clock and data recovery, and data retiming for 622 Mbps NRZ data. The ADN2804 automatically locks to 622 Mbps data without the need for an external reference clock or programming. In the absence of input data, the output clock drifts no more than ±5%. All SONET jitter requirements are met, including jitter transfer, jitter generation, and jitter tolerance. All specifications are quoted for −40°C to +85°C ambient temperature, unless otherwise noted.

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’s front-end loss-of-signal (LOS) detector circuit indicates when the input signal level falls below a user-adjustable threshold. The LOS detect circuit has hysteresis to prevent chatter at the output.

The ADN2804 is available in a compact 5 mm × 5 mm, 32-lead LFCSP.

Applications

  • BPON ONT
  • SONET OC-12
  • WDM transponders
  • Regenerators/repeaters
  • Test equipment
  • Broadband cross-connects and routers

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Evaluation Kits (1)

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.