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2.5Gbps, +3V to +5.5V, Wide Dynamic Range Transimpedance Preamplifier

Analog Devices

The MAX3864 is a transimpedance preamplifier for applications in SDH/SONET systems operating up to 2.5Gbps. It features 490nA (typ) input-referred noise, 2.0GHz bandwidth, and 2mA input overload.

The MAX3864 operates from a single +3.0V to +5.5V supply. It includes an integrated low-frequency compensation capacitor, as well as a filter connection that provides positive bias through a 750Ω resistor to VCC. These features save external components, simplifying design and assembly into a TO-46 header with a photodiode.

The MAX3864 has a typical optical dynamic range of -24dBm to 0dBm using a PIN photodetector.

Applications

* 2.5Gbps ATM Receivers * APD Preamplifier Receivers * PIN Preamplifier Receivers * Regenerators for SDH/SONET * SDH/SONET Transmission Systems

* 490nA (typ) Input-Referred Noise

* 2000MHz Bandwidth

* 2mA Input Overload

* 100Ω Differential Output Impedance

* 112mW Power Dissipation at +3.3V

* Integrated Filter Resistor

* CML Outputs

* Single +3.0V to +5.5V Supply Voltage

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