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
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

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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Related Resources


Belle Isle 2020
05/29/2020 - 05/31/2020, Detroit, MI
2020 Detroit Grand Prix - Chevrolet Detroit Grand Prix presented by Lear Fast Facts The Chevrolet Detroit Grand Prix presented by Lear was hosted on Belle Isle, May 29 - 30 2020. The event featured the cars of the NTT IndyCar Series, the IMSA WeatherTech SportsCar Championship and the Trans Am Series presented by Pirelli. The weekend is collectively referred to as the Chevrolet Detroit Grand Prix presented by Lear and it once again featured the Chevrolet Dual in Detroit IndyCar doubleheader.

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