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MAX3825 - 2.5Gbps Quad Transimpedance Amplifier

General Description

The MAX3825 is a quad transimpedance amplifier (TIA) intended for 2.5Gbps system interconnect applications.

Each of the four channels converts a small photodiode current to a measurable differential voltage with a transimpedance gain of 3.7kΩ.

Key Features

  • 460nARMS of input-referred noise per channel corresponding to an optical input sensitivity of -22.3dBm (BER ≤ 1 × 10-14). The quad transimpedance amplifier has 20ps of deterministic jitter and a 2.4GHz small-signal bandwidth. The MAX3825 is optimized for use with a quad PIN photodetector array with a standard fiber pitch of 250µm. The MAX3825 operates from a single +3.3V supply over a 0°C to +85°C temperature range. With a +3.3V supply, each channel dissipates 93mW of power. A DC cancellation ci.

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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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19-1855 Rev 0; 11/00 MAX3825 +3.3V, 2.5Gbps Quad Transimpedance Amplifier for System Interconnects General Description The MAX3825 is a quad transimpedance amplifier (TIA) intended for 2.5Gbps system interconnect applications. Each of the four channels converts a small photodiode current to a measurable differential voltage with a transimpedance gain of 3.7kΩ. The circuit features 460nARMS of input-referred noise per channel corresponding to an optical input sensitivity of -22.3dBm (BER ≤ 1 × 10-14). The quad transimpedance amplifier has 20ps of deterministic jitter and a 2.4GHz small-signal bandwidth. The MAX3825 is optimized for use with a quad PIN photodetector array with a standard fiber pitch of 250µm. The MAX3825 operates from a single +3.