The HXR5112A Transimpedance Limiting Amplifier array is a member of IDT’s family of Optical Receiver Transmitter Array (ORTA) products targeted at the parallel optical links market. Together with a PIN detector array or discrete detectors, high-capacity, high-availability optical links can be designed for datacom applications. The 3.3V SiGe device integrates the transimpedance pre-amplifier, the limiting post-amplifier and a versatile CML output stage for twelve optical channels.


  • 20uApp receiver sensitivity for 10-12 BER at 10.3 Gbps
  • Better than 1.0mApp overload
  • 66mW per channel power consumption
  • Adjustable output swing size and pre-emphasis in limiting mode and signal detect threshold
  • Independent RSSI
  • Optimized for isolated and common cathode photo-detector arrays from multiple vendors
  • Control lines accessible on both sides of the chip

Product Options

Orderable Part ID Part Status Pkg. Type Temp. Grade Carrier Type Package Buy Sample
HXR5112A-DNT Obsolete WAFER C WFP Package Info

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
HXR5112A Short-Form Datasheet Short Form Datasheet PDF 247 KB
PDN#: CQ-19-04 Product Discontinuance Notice Product Discontinuation Notice PDF 1010 KB