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MAX3876
2.5Gbps, Low-Power, +3.3V Clock-Recovery and Data-Retiming IC

The Low-Power Way to Receive Clean 2.5Gbps Signals


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Data Sheet
FULL DATA SHEET (PDF, 952kB)
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Description
The MAX3876 is a compact, low-power clock recovery and data retiming IC for 2.488Gbps SDH/SONET applications. The fully integrated phase-locked loop (PLL) recovers a synchronous clock signal from the serial NRZ data input. The data is retimed by the recovered clock. Differential CML outputs are provided for both clock and data signals, and an additional 2.488Gbps serial input is available for system loopback diagnostic testing. The device also includes a TTL-compatible loss-of-lock (active-low LOL) monitor.

The MAX3876 is designed for both section-regenerator and terminal-receiver applications in OC-48/STM-16 transmission systems. Its jitter performance exceeds all of the SONET/SDH specifications.

This device operates from a +3.3V or +5.0V single supply over a -40°C to +85°C temperature range. Power consumption is typically only 445mW with a +3.3V supply. The MAX3876 is available in a 32-pin TQFP package as well as in die form.

Key Features   Applications/Uses
  • Exceeds ANSI, ITU, and Bellcore SONET/SDH Regenerator Specifications
  • 440mW Power Dissipation (at +3.3V)
  • Clock Jitter Generation: 3.7mUIRMS
  • +3.3V or +5V Single Power Supply
  • Fully Integrated Clock Recovery and Data Retiming
  • Additional High-Speed Input Facilitates System Loopback Diagnostic Testing
  • Tolerates >2500 Consecutive Identical Digits
  • Loss-of-Lock Indicator
  • Differential CML Data and Clock Outputs

 
  • 2.488Gbps ATM Receivers
  • Add/Drop Multiplexers
  • Digital Cross-Connects
  • Digital Video Transmission
  • Intrarack/Subrack Interconnects
  • SDH/SONET Receivers and Regenerators
  • SDH/SONET Test Equipment

    Key Specifications:   Clock and Data Recovery
    Part Number Functions Applications Target Operating Range (Gbps) Min. Data Rate (Mbps) Max. Data Rate (Mbps) Multirate Supply Voltage (V) Typ. Supply Current (mA) I/O Type EV-Kit RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX3876 
    CDR
    SDH/SONET/DWDM/ATM/PONs
    1 to 4.5 2488 2488 No 3.3
    5
    135 CML Yes Yes DICE SALES/0
    TQFP/32
    52 -40 to +85 $25.60 @ 1k
    See All Clock and Data Recovery (10)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Diagram
    MAX3876: Typical Application Circuit
    Typical Application Circuit

    Application Notes
  • Application Note 264: MAX3831: Disabling the Channel-Assignment Feature of the MAX3831 - MAX3876
  • Application Note 794: HFAN-04.0.3: Jitter in Digital Communication Systems, Part 1 - MAX3876
  • Application Note 987: HFAN-04.0.4: Jitter in Digital Communication Systems, Part 2 - MAX3876
  • Application Note 1095: HFTA-05.0: Statistical Confidence Levels for Estimating BER Probability - MAX3876

    Evaluation Kits
  • MAX3876EVKIT

    Design Guides
  • FIBER (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-5 of 5

    MAX3876 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3876E/D  
    DICE SALES;0 pin;

    Use pkgcode/variation: DICE*
    See data sheet
    MAX3876EHJ+  
    TQFP;32 pin;52 mm²
    Dwg: 21-0110B (PDF)
    Use pkgcode/variation: H32+3F*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3876EHJ+T  
    TQFP;32 pin;52 mm²
    Dwg: 21-0110B (PDF)
    Use pkgcode/variation: H32+3F*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3876EHJ  
    TQFP;32 pin;52 mm²
    Dwg: 21-0110B (PDF)
    Use pkgcode/variation: H32-3F*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3876EHJ-T  
    TQFP;32 pin;52 mm²
    Dwg: 21-0110B (PDF)
    Use pkgcode/variation: H32-3F*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  • New Product Press Release 2000-01-22 

    Related Products
    MAX3885 +3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with LVDS Outputs
    MAX3866 2.5Gbps, +3.3V Combined Transimpedance Limiting Amplifier
    MAX3880 +3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with Clock Recovery
    MAX3873A Low-Power, Compact 2.5Gbps/2.7Gbps Clock-Recovery and Data-Retiming IC

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    Document Ref.: 19-1631; Rev 0a; 2001-08-23
    This page last modified: 2007-06-05



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