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MAX3664 - 622Mbps / Ultra-Low-Power / 3.3V Transimpedance Preamplifier for SDH/SONET

General Description

The MAX3664 low-power transimpedance preamplifier for 622Mbps SDH/SONET applications consumes only 85mW.

Operating from a single +3.3V supply, it converts a small photodiode current to a measurable differential voltage.

Key Features

  • o Single +3.3V Supply Operation o 55nARMS Input-Referred Noise o 6kΩ Gain o 85mW Power o 300µA Peak Input Current o 200ps Max Pulse-Width Distortion o Differential Output Drives 100Ω Load o 590MHz Bandwidth MAX3664 _______________Ordering Information PART MAX3664E/D MAX3664ESA MAX3664EUA.
  • TEMP. RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C PIN-.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-0479; Rev 1; 7/97 622Mbps, Ultra-Low-Power, 3.3V Transimpedance Preamplifier for SDH/SONET ________________General Description The MAX3664 low-power transimpedance preamplifier for 622Mbps SDH/SONET applications consumes only 85mW. Operating from a single +3.3V supply, it converts a small photodiode current to a measurable differential voltage. A DC cancellation circuit provides a true differential output swing over a wide range of input current levels, thus reducing pulse-width distortion. The differential outputs are back-terminated with 60Ω per side. The transimpedance gain is nominally 6kΩ. For input signal levels beyond approximately 100µAp-p, the amplifier will limit the output swing to 900mV. The MAX3664’s low 55nA input noise provides a typical sensitivity of -33.