- This page was last edited on 8 April 2025, at 07:16.
Low-Voltage Side (MCU) High-Voltage Side (Industrial) +5V +12V | | [R1] (Current Limiter) [R2] (Pull-up) | | +----( Pin 1: A1 ) ( Pin 8: VCC )-+ ( Pin 7: VO1 )-+---> Isolated Output to Driver MCU Output --( Pin 2: K1 ) | ( Pin 5: GND )-+ | System GND Use code with caution. To calculate the input resistor R1cap R sub 1
The opening of any datasheet introduces the device's key selling points. For the HCPL-1458 series, these features set the stage for its performance. The is a high-speed, dual-channel optocoupler , meaning it houses two independent isolators in a single chip, which is great for saving space on a printed circuit board (PCB) and reducing overall component count. Similarly, the HCPL-1458 is designed for high-speed digital communication and provides electrical isolation to protect circuitry from electrical noise, ground loops, and interference.
Excellent Common-Mode Transient Immunity (CMTI) ensures data integrity in noisy industrial environments. Decoding the Specifications
Before you can use the device, you need to understand how to connect it. The datasheet will provide a pinout diagram and a functional block diagram showing the internal workings. 1458 optocoupler datasheet
This guide provides a comprehensive walkthrough of the HCPL-1458 datasheet, explaining what each section means in practice to help you successfully design with this optocoupler.
: Supports data rates with a maximum propagation delay ( ) of 8 ns . Wide Power Supply Range : Operates on a VCCcap V sub cap C cap C end-sub
The is an incredibly robust, high-performance logic-gate optocoupler designed for environments that demand both excellent data integrity and strict electrical isolation. By thoroughly reviewing the HCPL-1458 datasheet , you can confidently integrate this component into your next high-voltage design, communication system, or industrial control project. The is a high-speed, dual-channel optocoupler , meaning
: Designed for applications where signal amplification and isolation are needed simultaneously.
If you are currently designing or troubleshooting a circuit using the 1458 optocoupler, let me know: The and output voltage levels of your system.
Before analyzing datasheet parameters, it is crucial to address the part number conflict. Decoding the Specifications Before you can use the
: A similar high-speed optocoupler designed for digital logic grounding. A common 10 MBd high-speed optocoupler. The
If you need to narrow down your design specifications, tell me: The (e.g., ILD1458, MOC series) if known.
