The ADN2890 is a 3.3V 2.7Gb/s limiting amplifier that provides high gain, limiting amplification for SONET, Gigabit Ethernet (GbE), and Fibre Channel optical receivers that accept input levels of up to 2.0V p-p differential and have 3mV p-p differential input sensitivity.
The ADN2890 is a high gain, limiting amplifier optimized for use in SONET, Gigabit Ethernet (GbE), and Fibre Channel optical receivers. It accepts input levels of up to 2.0 V p-p differential and has an input sensitivity of 3 mV p-p differential. The device provides receiver functions including quantization and loss of signal (LOS) detection, and can operate at data rates up to 3.2 Gb/s to support LX4 transceivers.
| Input Sensitivity | 3 mV p-p |
|---|---|
| Input Data Rate | 2700 Mb/s |
| Supply Voltage | 3.3 V |
| Operating Temperature Range | -40°C to +85°C |
| Output Rise and Fall Time | 80 ps |
The input sensitivity is 3 mV p-p differential.
The device supports input data rates up to 2700 Mb/s.
The threshold is set by a resistor connected between the THRADJ pin and VEE.