The HXR44100 single channel Trans-impedance Linear Amplifier is a member of GigPeak’s family of Optical Receiver Transmitter Array (ORTA) products for PAM4 modulation format targeted at the parallel optical links market. Together with a PIN discrete detector, high-capacity, high-availability optical link can be designed for next-generation Ethernet and datacom applications.

The 3.3V SiGe device integrates the linear trans-impedance pre-amplifier, the linear post-amplifier, and a versatile CML output stage for four optical channels.

Key Features

  • High receiver sensitivity for 10Km 56Gbps PAM4 signal
  • Up to 3 mApp overload
  • Independent, per channel RSSI
  • 5kΩ typical differential gain
  • 500mVppd output voltage swing and adjustable output swing
  • Linear operation with internal AGC
  • 150mW per channel power consumption
  • QSFP56 MSA compliance
  • Optimized for isolated and common cathode photo-detector arrays from multiple vendors

Applications List

  • Next-generation Ethernet optical receiver modules up to 10Km LR
  • Proprietary multi-channel small form factor optical modules like CFP8 and QSFP56

Ordering Information

PartTemperature RangePin-Package
HXR44100-DNT-5°C to +95°CDie 1.350mm x 1.120mm