HXR45800-DNJ

Overview

The HXR45800-DNJ is an eight-channel linear transimpedance amplifier (TIA) designed for high-speed optical interconnects. It supports data rates up to 56 Gbaud per channel, making it suitable for next-generation coherent and direct-detection applications. The device integrates multiple channels in a single package to reduce board space and simplify system design. It features low noise performance and high linearity to maintain signal integrity at extreme speeds. The component operates within standard industrial temperature ranges and utilizes advanced packaging to ensure thermal efficiency and electrical reliability in dense optical module configurations.

Feature Summary

• Eight-channel linear transimpedance amplifier architecture supporting 56 Gbaud operation
• Designed for high-speed optical interconnect and coherent detection systems
• Integrates multiple channels to minimize footprint and simplify optical module design

Applications

• Coherent optical transceivers
• High-speed optical interconnect modules
• Direct-detection optical receivers

Procurement Notes

Verify the specific suffix DNJ against the official Renesas datasheet to confirm pinout and package dimensions. Confirm that the component meets the required RoHS compliance standards for your target market. Ensure compatibility with your optical engine's biasing and control requirements before integration. Check for any recent lifecycle notices or obsolescence warnings directly from the manufacturer.

Selection Notes

Select this component when designing optical engines requiring eight parallel channels operating at 56 Gbaud. It is appropriate for applications demanding high linearity and low noise in a compact form factor. Consider its integration capabilities with downstream DSPs or ADCs. Evaluate thermal management solutions suitable for high-density optical modules.

Part Context

This part belongs to Renesas' portfolio of specialized analog ICs for optical communications. It complements other high-speed components used in data center and telecommunications infrastructure. The device addresses the growing demand for higher bandwidth density in modern optical networking equipment.

Replacement Considerations

Consult official Renesas documentation for qualified alternatives. Verify pin-to-pin compatibility and electrical specifications if substituting with other eight-channel TIAs from different manufacturers.