Providing feedback from the secondary side to the primary side without a direct wire connection.
: Used for logic ground isolation and signal transmission in harsh electrical environments. Power Supplies
Features a logic gate output, making it directly compatible with TTL and CMOS systems.
between the A1458 and other high-speed optocouplers like the 6N137? Line HP1458 HCNW1458 HCPL-1458 DIP-8 Optocouplers
Because of its dual-channel architecture and excellent isolation metrics, the A1458 is found in a wide variety of industrial and consumer electronics. I. Microprocessor System Isolation
Though this is a logic gate, understanding the ratio of output current to input current helps ensure your input signal is strong enough to trigger the output. Switching Characteristics: Look at the rise ( ) and fall (
Commonly available in an 8-pin Dual In-line Package (DIP) or Surface Mount Device (SMD) outline.
) : Flexible 3.0V to 5.5V supply range matching standard TTL and CMOS logic families. Low Supply Current ( ICCcap I sub cap C cap C end-sub
For detailed performance curves and thermal derating, you can download the full technical data from Farnell or Alldatasheet . Single Channel, High Speed Optocouplers Technical Data
A standard application circuit for digital signal transmission includes:
With a minimum common-mode transient immunity of 15 kV/µs, it is highly resistant to electrical noise and voltage spikes.
However, I can help you in other ways:
Understanding the A1458 Optocoupler: Features, Specs, and Applications
Mara read the datasheet carefully, treating it like a map. She noted these key points: