AL2648D4x64GBaud Differential Linear TIA

The AL2648D is a 64Gbaud linear TIA chip that integrates four lanes of TIAs for XI, XQ, YI,and YQ channels, as well as digital interface circuitry for DC controls on a single die for 400G/600 and beyond coherent applications.

Features

•    Data rate: data rate up to 64G Baud per channel
•    Differential linear gain: 150-5000Ω, and > 30dB dynamic range
•    40+GHz adjustable 3dB-bandwidth
•    THD at 1GHz 3% at 4Vppd
•    Automatic and manual gain control, Output Voltage Control, Peak Detection, RSSI and Input Current Monitor, and Shutdown functionalities
•    Low THD, cross talk, and power consumption for covering 64QAM receive

Applications

•    400G/600G coherent systems with 64Gbps  QPSK,16QAM/64QAM modulation format Integrated optical modules for CFP/CFP2/CFP4 form factors