1458 Optocoupler Datasheet !link! May 2026

HCPL-1458

The (often referred to simply as the 1458 optocoupler ) is a high-speed, hermetically sealed logic gate optocoupler primarily manufactured by Broadcom (formerly Avago) . It is specifically engineered for high-reliability applications, including industrial, aerospace, and medical systems where signal integrity and electrical isolation are critical. Key Specifications and Performance

1. Vishay Semiconductors. (2020). 4N35, 4N36, 4N37 Optocoupler Datasheet, Document Number 83722.
2. Texas Instruments. (2015). LM1458 Dual Operational Amplifier Datasheet, SNOSBS3E.
3. ON Semiconductor. (2019). Application Note AN-3005: Design Fundamentals of Optocouplers.
4. IEC 60747-5-5:2011. Semiconductor devices – Optoelectronic devices.
5. Horowitz, P., & Hill, W. (2015). The Art of Electronics (3rd ed.). Cambridge University Press.

The component designation "1458" presents a significant ambiguity in electronics engineering, as it is historically associated with the LM1458 dual operational amplifier rather than any optocoupler. This paper first resolves this nomenclature conflict, then establishes a generalized methodology for interpreting optocoupler datasheets. Using the widely recognized 4N35 optocoupler as a representative case study, we analyze key parameters including Current Transfer Ratio (CTR), isolation voltage, rise time, and forward voltage. The paper concludes with a decision matrix for selecting optocouplers in common applications such as microcontroller isolation and solid-state relay driving. 1458 optocoupler datasheet

13. Handling Precautions

The 1458 optocoupler datasheet provides a comprehensive overview of the device's features, specifications, and applications. By understanding the device's performance and characteristics, designers and engineers can develop applications that utilize the 1458 optocoupler to provide high voltage insulation and efficient signal transfer. Whether you're designing a power supply, motor control circuit, or industrial automation system, the 1458 optocoupler datasheet is an essential resource that can help you get the job done. HCPL-1458 The (often referred to simply as the

When integrating the 1458 into your circuit, pay close attention to these parameters found in the Vishay datasheet guidelines Current Transfer Ratio (CTR): Even for high-speed logic gates, ensure the input current ( cap I sub cap F ) is sufficient to drive the output stage. Open Collector Output: This device often requires an external pull-up resistor Vishay Semiconductors

, allowing flexibility for both legacy 5V systems and modern 3.3V logic. Low Input Drive: Designed with a "Low cap I sub cap F