GN1084-CHIP

Overview

The GN1084-CHIP is a single-channel limiting transimpedance amplifier (TIA) designed for 25Gbps data lanes. It operates on a +3.3V power supply and features a 22GHz bandwidth with 2.3μARMS noise. The device provides a 6kΩ differential transimpedance gain. It is optimized for integration into ROSA packages for module applications, offering high stability and gain.

Feature Summary

• Single-channel architecture providing high stability for optical receiver modules
• Optimized for integration into Receive Optical Sub-Assembly (ROSA) packages
• Designed to deliver high differential transimpedance gain

Applications

• 25Gbps Ethernet optical modules
• 100Gbps Ethernet / OTN modules
• Infiniband EDR applications

Procurement Notes

Verify the specific ordering suffix against official Semtech documentation to confirm package type and pinout compatibility. Confirm that the component status aligns with current design requirements, as product availability may change. Ensure all electrical parameters match the target system specifications before procurement.

Selection Notes

Select this TIA when designing optical receivers requiring a single channel with 25Gbps capability. It is suitable for applications needing high gain and low noise within a compact form factor. Consider its integration with compatible photodiodes and laser drivers for complete module solutions.

Part Context

Semtech offers a comprehensive portfolio of optical transceiver ICs, including TIAs, laser drivers, and CDRs. The GN1084 belongs to the FiberEdge family, which provides industry-leading performance for high-speed data transmission in data center and telecom networks.

Replacement Considerations

GN1081 is a similar single-channel 28Gbps limiting TIA with comparable gain and bandwidth characteristics.