General Description

The TIA56A is a versatile high-speed transimpedance amplifier designed for the amplification and manipulation of signals with data rates to over 43Gb/s with >28GHz bandwidth. The TIA56A consists of a fully symmetrical differential input and output buffer and is optimized for 50 Ω line termination.

Product Features

• Differential input and differential output

• Input or output can be used single-ended

• Limiting operation, 4.5kΩ differential transimpedance

• Low noise, 30 pA/√Hz typical

• Adjustable input offset

• Peak level detection

• Output sense for offset control

• Bandwidth of 30GHz that can be adjusted

• Output eye shape adjustment pin

• DC and AC coupled operation

• Single supply voltage of -5.2 V

• SiGe technology with ƒT / ƒmax of 170 / 250 GHz

Applications

• 43 Gbps DPSK receivers

• TIA for photoreceiver

• Amplitude regeneration

• Active power/signal splitter

• 50 Ω line driver