MAX3665 - 622Mbps、超低功耗，3.3V互阻前置放大器，用于SDH/SONET

MAX3665是Maxim美信半导体公司的一款光电产品产品，MAX3665是622Mbps、超低功耗，3.3V互阻前置放大器，用于SDH/SONET，本站介绍了MAX3665的封装应用图解、特点和优点、功能等，并给出了与MAX3665相关的Maxim元器件型号供参考。

MAX3665 - 622Mbps、超低功耗，3.3V互阻前置放大器，用于SDH/SONET - 光电产品 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX3665 low-power transimpedance preamplifierfor 622Mbps SDH/SONET applications consumes only70mW at VCC = 3.3V. Operating from a single +3.3V or+5.0V supply, it converts a small photodiode current to ameasurable differential voltage. A DC cancellation circuitprovides a true differential output swing over a widerange of input current levels, thus reducing pulse-widthdistortion. The differential outputs are back-terminatedwith 50Ω per side.

The overall transimpedance gain is nominally 8kΩ. Forinput signal levels beyond approximately 50µAp-p, theamplifier will limit the output swing to 250mV. TheMAX3665's low 55nA input noise provides a typicalsensitivity of -33.2dBm in 1300nm, 622Mbps receivers.

The MAX3665 is designed to be used in conjunctionwith the MAX3676 clock recovery and data retiming ICwith limiting amplifier. Together they form a complete3.3V or 5.0V 622Mbps SDH/SONET receiver.

In die form, the MAX3665 is designed to fit on a headerwith a PIN diode. It includes a filter connection that providespositive bias for the photodiode through a 1.5kΩ resistor to VCC. The device is available in an 8-pinµMAX® package.

关键特性

以下关键特性由Maxim美信半导体提供：

+3.3V or +5.0V Single-Supply Operation

55nARMS Input-Referred Noise

70mW Power Consumption at VCC = 3.3V

8kΩ Gain

450µA Peak Input Current

260ps (max) Deterministic Jitter

Differential Output Drives 100ΩLoad

470MHz Bandwidth

热门应用

PIN光电二极管前置放大器与接收器

SDH/SONET发生器

SDH/SONET接收器

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