The TLP1023 is a digital‑output photointerrupter that combines a GaAs infrared LED with a high‑sensitivity Si photo‑IC. It offers a dust‑proof cover, direct TTL/LSTTL/CMOS compatibility, and a built‑in Schmitt trigger for reliable operation.
The document provides maximum ratings, recommended operating conditions, opto‑electrical characteristics, handling precautions, and mechanical mounting details for designers integrating the device into equipment such as printers, copiers, vending machines, and other automatic service equipment.