A1458 Optocoupler Datasheet [verified] -

If you are looking to understand the electrical characteristics, pinouts, and practical applications of the A1458, you have come to the right place.

Why choose the A1458 over alternatives?

These graphs show how temperature affects speed and power consumption. 🚀 Common Applications a1458 optocoupler datasheet

The (also referred to as the A1458 ) is a high-speed, high-gain logic gate optocoupler manufactured by Broadcom (formerly Avago) . It is designed for applications requiring precise signal isolation and high noise immunity, such as driving power transistors (IGBTs/MOSFETs) or managing high-speed digital communications. Key Specifications Typical Specification Data Rate Up to 50 MBd (high-speed logic performance) Propagation Delay 20 ns (typical); max delay typically around 8 ns to 35 ns Supply Voltage ( VCCcap V sub cap C cap C end-sub ) 3.0 V to 5.5 V (supports both 3.3V and 5V logic) Isolation Voltage 3750 Vrms to 5000 Vrms (depending on package/option) Output Type Open Collector (TTL compatible) Common Mode Rejection Min 15,000 V/µs (up to 50 kV/µs in some variants) Operating Temperature -40°C to +85°C (industrial grade) Common Applications

Optimized for digital signal transmission with minimal delay (35 ns at 10 kHz in some configurations). If you are looking to understand the electrical

Why would you choose the A1458 for your next project? Here are three common scenarios:

To ensure the best performance from the HCPL-A1458, designers should consider the following, as found in standard datasheet application notes: Always connect a ceramic capacitor close to the VCCcap V sub cap C cap C end-sub 🚀 Common Applications The (also referred to as

Ideal for isolating communication lines, reducing crosstalk, and protecting equipment from surge voltages.

) : Operates between , making it compatible with both 3.3V and 5V logic .

: Frequently used in solar and wind turbine power systems.

You need to turn on a 24V relay using a 3.3V ESP32 or 5V Arduino. Direct connection is impossible. You use the A1458: