DS1874T+T&R

Overview

The DS1874T+T&R is a laser diode controller designed for SFP+ applications, featuring a digital LDD interface. It operates within a supply voltage range of 2.85V to 3.9V and is housed in a 28-TQFN package with an exposed pad. This component serves as a dedicated IC laser controller for optical transceiver modules.

Feature Summary

• Integrates a digital Laser Diode Driver (LDD) interface for simplified control
• Optimized specifically for SFP+ form factor optical modules

Applications

• SFP+ optical transceiver modules
• Fiber optic communication systems requiring digital laser control

Procurement Notes

Verify the specific suffix T&R indicates tape and reel packaging configuration. Confirm RoHS3 compliance status through official documentation. Check current lifecycle status as this part may be discontinued or subject to limited availability constraints from Analog Devices Inc./Maxim Integrated.

Selection Notes

Select this component when designing SFP+ transceivers requiring a dedicated digital laser driver interface. Ensure the 28-TQFN footprint matches the PCB layout. Verify that the 2.85V to 3.9V supply range aligns with the system power architecture.

Part Context

This device belongs to the Maxim Integrated laser driver family, now under Analog Devices Inc. It addresses the need for precise laser control in high-speed optical networking equipment, specifically targeting the SFP+ standard requirements for digital diagnostics and modulation.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. No public substitute part numbers are confirmed in available data.