ONET4201LDRGER

Overview

The ONET4201LDRGER is a laser driver from the ONET4201LD series, manufactured by Texas Instruments. It supports data rates ranging from 155 Mbps to 4.25 Gbps and operates within a supply voltage range of 3 V to 3.6 V. The device functions across an ambient temperature range of -40 °C to +85 °C and draws a typical operating supply current of 55 mA. It is housed in a 24-pin VQFN package.

Feature Summary

• Integrates active back termination for signal integrity optimization
• Supports high-speed optical transmission up to 4.25 Gbps
• Designed for single-channel laser diode driving applications

Applications

• Optical communication systems requiring 155 Mbps to 4.25 Gbps data rates
• Single-mode fiber optic transceivers
• Long-reach optical networking modules

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for end-of-life notifications prior to procurement. Ensure packaging specifications match production requirements. Validate datasheet revisions against specific manufacturing batches to guarantee parameter consistency.

Selection Notes

Select this component for designs requiring integrated active back termination and wide data rate flexibility. Consider the VQFN-24 package constraints for thermal management and PCB layout. Evaluate power consumption relative to system budgets given the 55 mA operating current. Ensure input signal levels align with driver capabilities for optimal eye diagram performance.

Part Context

Part of the ONET4201LD family, which includes limiting amplifiers like the ONET4201PA. This driver complements TI's portfolio of high-speed optical interface solutions. It targets applications needing reliable laser modulation without external termination components, simplifying board design compared to discrete alternatives.

Replacement Considerations

No public confirmed substitute part numbers are available.