TIL111M

Overview

The TIL111M is a high-speed optocoupler featuring an AlGaAs LED coupled to a monolithic integrated circuit containing a photodiode and a Schmitt trigger. It provides digital isolation with a propagation delay of typically 250 ns and operates from a single supply voltage ranging from 4.5 V to 5.5 V. The device offers a common-mode rejection ratio of 1 kV/µs minimum and maintains a low output current capability suitable for logic interfacing.

Feature Summary

• Integrated Schmitt trigger input for noise immunity and clean signal transitions
• High-speed operation utilizing AlGaAs LED technology for rapid response times
• Monolithic design combining photodetector and signal conditioning on a single chip

Applications

• Digital communication interfaces requiring galvanic isolation
• Microprocessor system isolation for data transmission lines
• Noise-immune logic level shifting between different voltage domains

Procurement Notes

Verify the specific suffix code against the manufacturer's latest datasheet to confirm pinout configuration and packaging type. Ensure compatibility with your system's voltage levels and isolation requirements before finalizing procurement. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when high-speed digital isolation is required alongside inherent noise filtering capabilities. The integrated Schmitt trigger eliminates the need for external hysteresis circuits, simplifying board layout. Consider the propagation delay specifications if timing constraints are critical for your application's synchronization needs.

Part Context

This device belongs to Everlight's family of high-speed optocouplers designed for robust digital signal transmission. It utilizes advanced AlGaAs technology to achieve faster switching speeds compared to standard silicon phototransistor-based isolators, making it suitable for modern high-frequency digital applications.

Replacement Considerations

Consult official substitution guides for equivalent high-speed optocouplers with similar pinouts and electrical characteristics. Verify that any alternative component matches the required isolation voltage and propagation delay specifications to ensure system reliability.