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MAX3266, MAX3267
1.25Gbps/2.5Gbps, +3V to +5.5V, Low-Noise Transimpedance Preamplifiers for LANs

Low 200nA (MAX3266) Input Referred Noise and 1mA Input Overload

Recommended Upgrades for New Designs
Part Number Replacement Explanation
MAX3266CSA n/a This part remains available but is not recommended for new designs.
MAX3266CSA-T n/a
MAX3267 MAX3275 Improved 3.3V design for TO headers.
MAX3267C/D MAX3275
MAX3267CSA MAX3275
MAX3267CSA+ MAX3275
MAX3267E/D MAX3275
MAX3267CSA+T MAX3275
MAX3267CSA-T MAX3275
MAX3267 MAX3277


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Data Sheet
FULL DATA SHEET (PDF, 912kB)
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Description
The MAX3266 is a transimpedance preamplifier for 1.25Gbps LAN fiber optic receivers. The circuit features 200nA input-referred noise, 920MHz bandwidth, and 1mA input overload.

The MAX3267 provides a pin-for-pin compatible solution for communications up to 2.5Gbps. It features 500nA input-referred noise, 1.9GHz bandwidth, and 1mA input overload.

Both devices operate from a single +3.0V to +5.5V supply and require no compensation capacitor. They also include a space-saving filter connection that provides positive bias for the photodiode through a 1.5kΩ resistor to VCC. These features allow easy assembly into a TO-46 or TO-56 header with a photodiode.

The 1.25Gbps MAX3266 has a typical optical dynamic range of -24dBm to 0dBm in a shortwave (850nm)configuration or -27dBm to -3dBm in a longwave (1300nm) configuration. The 2.5Gbps MAX3267 has a typical optical dynamic range of -21dBm to 0dBm in a shortwave configuration or -24dBm to -3dBm in a longwave configuration.

Key Features   Applications/Uses
  • 200nA Input-Referred Noise (MAX3266)
  • 500nA Input-Referred Noise (MAX3267)
  • 920MHz Bandwidth (MAX3266)
  • 1900MHz Bandwidth (MAX3267)
  • 1mA Input Overload
  • Single +3.0V to +5.5V Supply Voltage

 
  • 1Gbps to 2.5Gbps Optical Receivers
  • Fibre Channel
  • Gigabit Ethernet

    Diagram
    MAX3266, MAX3267: Typical Application Circuit
    Typical Application Circuit

    Application Notes
  • Application Note 630: HFAN-08.0.1: Understanding Bonding Coordinates and Physical Die Size - MAX3266, MAX3267
  • Application Note 870: HFAN-09.0.1: NRZ Bandwidth - HF Cutoff vs. SNR - MAX3266, MAX3267
  • Application Note 1938: HFAN-03.0.2: Optical Receiver Performance Evaluation - MAX3267
  • Application Note 3381: HFAN-03.2.0: Improving Noise Rejection of a PIN-TIA ROSA - MAX3266

    Evaluation Kits
  • MAX3266EVKIT, MAX3267EVKIT

    Design Guides
  • FIBER (PDF)

    Reliability Reports
  • Show FIT data for:
  • Reliability Report: MAX3266xSA.pdf
  • Request Reliability Report for:

    Software/Models
  • MAX3266C_D IBIS Model
  • MAX3266CSA IBIS Model
  • MAX3266CSA SPICE Input/Output Model
  • MAX3266C_D SPICE Input/Output Model
  • MAX3267C_D IBIS Model
  • MAX3267CSA IBIS Model
  • MAX3267CSA SPICE Input/Output Model
  • MAX3267C_D SPICE Input/Output Model

    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: 1-9 of 9

    MAX3266 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3266C/D  
    DICE SALES;0 pin;

    Use pkgcode/variation: DICE*
    See data sheet
    MAX3266CSA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3266CSA-T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3267 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3267C/D  
    DICE SALES;0 pin;

    Use pkgcode/variation: DICE*
    See data sheet
    MAX3267E/D  
    DICE SALES;0 pin;

    Use pkgcode/variation: DICE*
    See data sheet
    MAX3267CSA+  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3267CSA+T  



    0°C to +70°C See data sheet
    MAX3267CSA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3267CSA-T  



    0°C to +70°C See data sheet

    Notes and Comments
  • Low-Noise transimpedence Preamplifiers for LANs

    Related Products
    MAX3996 +3.0V to +5.5V, 2.5Gbps VCSEL and Laser Driver
    MAX3272, MAX3272A +3.3V, 2.5Gbps Low-Power Limiting Amplifiers
    MAX3264, MAX3265, MAX3268, MAX3269, MAX3765, MAX3768 +3.0V to +5.5V, 1.25Gbps/2.5Gbps Limiting Amplifiers

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     Description 
     Key Features 
     Applications/Uses 
     Key Specifications 
     Diagram 

     Data Sheet 
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     Design Guides 
     Engineering Journals 
     Reliability Reports 
     Software/Models 
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    Document Ref.: 19-4796; Rev 1; 2000-06-01
    This page last modified: 2007-06-04



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