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


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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.
MAX3266, MAX3267: Typical Application Circuit MAX3266, MAX3267: Typical Application Circuit Enlarge+

Key Features

  • 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

Applications/Uses

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

MAX3266EVKIT: Evaluation Kit for the MAX3266, MAX3267
MAX3267EVKIT: Evaluation Kit for the MAX3266, MAX3267
Request Reliability Report for: MAX3267 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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