NT20042-QSOP-TR

Overview

The NT20042-QSOP-TR is a CMOS LED driver manufactured by Semtech Corporation, designed for optical fiber communication applications. It supports data rates up to 300 Mbps and operates with supply voltages of 3.3V or 5.0V. The device features a modulation current capability of 100mA and a bias current of 100mA. Packaged in a 16-pin QSOP format, it is intended for SONET, ESCON, and Fast Ethernet systems.

Feature Summary

• CMOS technology implementation for low-cost optical driving
• Dual voltage operation supporting 3.3V and 5.0V supplies
• Integrated laser diode driver functionality

Applications

• SONET optical fiber networks
• ESCON interface systems
• Fast Ethernet over optical fiber

Procurement Notes

Verify the specific suffix QSOP-TR confirms the tape and reel packaging configuration. Ensure compatibility with 3.3V or 5.0V system designs. Confirm the 16-pin QSOP footprint matches the target PCB layout. Validate that the 300 Mbps speed meets application requirements.

Selection Notes

Select this component for cost-sensitive optical links requiring 300 Mbps throughput. It suits designs needing dual voltage flexibility. Consider the 100mA drive limits for connected optical sources. Evaluate thermal performance within the QSOP package constraints.

Part Context

Semtech Corporation produces this part under its Power Management (PMIC) and signal integrity portfolios. The NT20042 serves as a specialized driver for legacy and industrial optical standards. It bridges digital logic outputs to optical transmitters efficiently.

Replacement Considerations

No public substitute part numbers are confirmed in available documentation.