GX72472-GNU

Overview

The GX72472-GNU is a four-channel optical modulator driver designed for advanced multi-level QAM modulation systems. It supports data rates up to 128 GBaud per channel, enabling 800 Gbps and beyond optical module applications. The device features differential outputs with a peak-to-peak voltage (Vppd) of 4 V. This component is classified as an interface module requiring wafer-level integration rather than a standard packaged IC.

Feature Summary

• Supports 128 GBaud data rates for high-speed optical transmission
• Provides four differential output channels with 4 Vppd capability
• Optimized for advanced multi-level QAM modulation systems

Applications

• 800 Gbps optical modules
• Advanced multi-level QAM modulation systems
• High-speed optical transceivers

Procurement Notes

Verify that the procurement process accounts for the unique nature of this component, which requires wafer-level integration rather than standard surface-mount packaging. Confirm compatibility with specific wafer fabrication processes before ordering. Ensure that supply chain partners are equipped to handle wafer-level components, as standard handling procedures for packaged ICs do not apply. Validate all technical specifications against the latest official Renesas documentation to ensure design integrity.

Selection Notes

Select the GX72472-GNU when designing optical modules requiring 800 Gbps or higher throughput using advanced multi-level QAM formats. The four-channel architecture with 4 Vppd differential outputs is suitable for driving external Mach-Zehnder modulators in high-bandwidth applications. Consider the wafer-level requirement during the hardware design phase, as this impacts assembly and testing methodologies compared to traditional packaged drivers.

Part Context

This part belongs to Renesas' portfolio of optical modulator drivers, specifically targeting next-generation high-speed optical interconnects. It complements other devices in the series by offering high channel counts and voltage swing capabilities necessary for complex modulation schemes. The GX72472-GNU represents a specialized solution for telecom and datacom applications demanding significant bandwidth density.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the wafer-level integration requirement and specific electrical characteristics, direct pin-to-pin replacements may not exist. Evaluate alternative Renesas models such as the GX76471 or GX76470 only if system requirements allow for different output configurations and data rate support.