HXR14100-DNJ

Overview

The HXR14100-DNJ is a single-channel linear Trans-Impedance Amplifier (TIA) from Renesas' Optical Receiver Transmitter Array (ORTA) family. It supports 56Gbps PAM4 Ethernet applications with high receiver sensitivity and low power consumption as low as 140mW/ch. The device features up to 5kΩ typical differential gain, wide adjustable output voltage swing, and linear operation up to 3mAppSE overload with internal AGC. It offers up to 30GHz typical bandwidth and 9pA/√Hz input-referred current noise density. Operating in a 3.3V or 2.9V supply, it includes RSSI, LOS, and Rx disable functions, complying with IEEE 802.3 standards.

Feature Summary

• High receiver sensitivity optimized for 56Gbps PAM4 Ethernet applications
• Low power mode capability in 28Gbaud applications
• Wide adjustable output voltage swing with linear operation up to 3mAppSE overload using internal AGC
• Integrated RSSI, LOS, and Rx disable functions

Applications

• Design of compact linear Receiver Optical Sub-Assemblies (ROSA)
• Next-generation 200G optical transceivers
• Systems utilizing advanced modulation schemes at 28GBaud PAM4 data rates

Procurement Notes

Verify the obsolete status and wafer-level carrier type before procurement planning. Confirm that the -40°C to 95°C industrial temperature range aligns with system requirements. Ensure compatibility with PIN detectors for ROSA integration. Check for alternative sourcing due to discontinued status.

Selection Notes

Select this TIA when designing linear optical receivers requiring high bandwidth and low noise for 56Gbps PAM4 signals. Consider the 3.3V or 2.9V supply options for power optimization. Evaluate the need for internal AGC and wide dynamic range against specific link budget requirements.

Part Context

The HXR14100-DNJ belongs to the ORTA product family, designed to work with PIN detectors. It targets high-speed optical communication systems needing compact form factors. The device utilizes a patented adaptive biasing scheme to maintain performance across varying conditions.

Replacement Considerations

No public confirmed substitute part numbers are available. The component status is listed as obsolete.