NOTICE - The following device(s) are recommended alternatives:

The HXR42100 Transimpedance Limiting Amplifier array is a member of the family of Optical Receiver Transmitter Array (ORTA) products targeted at the single channel fiber optic links market. Together with a discrete PiN detector array, high-capacity, high-availability optical links can be designed for datacom applications. Ideal for 100G to 25G fan-out applications. The 3.3V SiGe device integrates the transimpedance preamplifier, the limiting post-amplifier, and a versatile CML output stage for a single, differential electrical channel.


  • 40 mApp receiver sensitivity for 10^-12 BER at 28Gbps
  • Better than 2.4mApp overload
  • 128 mW per channel power consumption
  • Adjustable output swing size, pre-emphasis and signal detect threshold
  • Independent, scalable RSSI output
  • Optimized for isolated and common cathode photo-detector arrays from multiple vendors
  • I2C Compatible serial interface
  • Suitable for TO can applications
  • SFP25+ and SFP28+ MSA compatible

tuneProduct Options

Part Number Part Status Pkg. Type Temp. Grade Carrier Type Buy Sample
Last Time Buy WAFER C WFP


Title language Type Format File Size Date
PLC# : 210007 End-of-Life (EOL) Process on Select Part Numbers Product Life Cycle Notice PDF 160 KB
star HXR42100 Product Brief Product Brief PDF 204 KB
Optical Interconnect Overview Overview PDF 216 KB