ISOM8111DFGRQ1

Transistor, Photovoltaic Output Optoisolators Overview

The ISOM8111DFGRQ1 is a single-channel automotive-grade digital isolator featuring a phototransistor output. It provides 3750 Vrms isolation voltage and operates within a temperature range of -55°C to +125°C. Key electrical parameters include a maximum collector-emitter saturation voltage of 300 mV, a forward current of 50 mA, and a forward voltage of 1.4 V. The device exhibits a typical rise time of 3.2 µs and fall time of 4 µs, with a power dissipation rating of 290 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides robust signal isolation with 3750 Vrms insulation voltage for high-voltage noise immunity.
• Designed for automotive environments with AEC-Q100 qualification and extended temperature support.
• Features a phototransistor output configuration compatible with standard logic interfaces.

Transistor, Photovoltaic Output Optoisolators Applications

• Automotive DC-input transistor-output circuits
• High-voltage sensing applications requiring galvanic isolation
• Industrial control systems needing reliable signal transmission across isolation barriers

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix DFGRQ1 to confirm the SOIC-4 package, reel packaging, and automotive grade status. Ensure compatibility with existing PCB footprints and thermal management requirements. Confirm that the phototransistor output characteristics meet the downstream circuit's current transfer ratio needs. Validate that the 3750 Vrms isolation rating satisfies the system's safety standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when an automotive-rated digital isolator with a phototransistor output is required. It serves as a direct pin-compatible replacement for many traditional optocouplers. Consider the 3.2 µs rise time and 4 µs fall time for signal integrity in moderate-speed applications. Ensure the 300 mV saturation voltage aligns with the load requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISOM811x family of single-channel photoemulators from Texas Instruments. These devices are engineered to replace legacy optocouplers while offering improved performance and reliability. The ISOM8111 variant specifically targets applications requiring a phototransistor output interface.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The datasheet indicates pin compatibility with many traditional optocouplers. Verify that the replacement maintains the same isolation voltage and output type specifications for the target application.