Skyworks Solutions Inc. High-Speed Optocouplers

The OLI300 and OLS300 optocouplers are suitable for interfacing Transistor-Transistor Logic (TTL) to Low Power Schottky Transistor-Transistor Logic (LSTTL). These optocouplers are also suitable for the Complementary Metal Oxide Semiconductor (CMOS) and wide bandwidth analog applications. The OLI300 and OLS300 optocouplers include an LED and an integrated photodiode transistor detector. The OLI300 optocoupler is mounted and coupled in a miniature custom ceramic package. The OLS300 optocoupler is mounted and coupled in a custom hermetic surface mount Leadless Chip Carrier (LCC) ceramic package. The integrated photodiode transistor improves the switching speed by orders of magnitude as compared to standard phototransistors by reducing the base-to-collector capacitance.

The OLI500 and OLS500 optocouplers are suitable for high-speed digital interfacing applications, elimination of ground loops, and input/output buffering. These optocouplers include an LED and an integrated high-speed detector. The OLI500 optocoupler is mounted and coupled in a T0-5 hermetic package. The OLS500 optocoupler is mounted and coupled in a custom hermetic surface mount Leadless Chip Carrier (LCC) ceramic package. The LED light is collected by the photodiode in the integrated detector and amplified by a high-gain linear-amplifier that drives a Schottky-clamped open-collector output transistor. The typical propagation delay for the OLI500 and OLS500 optocouplers is 60ns. The internal shield improves common-mode transient immunity to 1000V/μs minimum.