A1458 Optocoupler Datasheet -

When you search for an , you may also encounter these competitors. Here’s how they stack up:

—which reduces the drive power needed from the control circuit. TTL Compatibility

The device features rapid propagation delays (

voltage spikes across the isolation barrier. Without high CMTI, these transients couple through the internal parasitic capacitance of the optocoupler, inducing false trigs at the output. With a minimum rating of up to 50 kV/µs, the A1458 shields downstream microcontrollers from destructive noise. Primary Engineering Applications a1458 optocoupler datasheet

The (widely documented in component catalogs as the HCPL-1458 or HCPL-A1458 ) is a high-speed, high-performance logic gate optoisolator manufactured by Broadcom (formerly Avago Technologies). Engineered primarily for high-speed signal isolation in rugged industrial or low-voltage systems, this component leverages a hermetically sealed architecture to deliver excellent common-mode transient immunity and stable high-data-rate throughput.

Lists agency certifications such as UL, CSA, VDE, which are critical for products requiring regulatory compliance.

, which allows the device to maintain signal integrity even in environments with severe electromagnetic interference. Supply Voltage ( cap V sub cap C cap C end-sub : Operates between 4.5 V and 5.5 V , compatible with standard TTL and CMOS logic levels. Output Type Open Collector When you search for an , you may

When PLC output is high (24V), LED turns on, phototransistor conducts, output pin pulled low. When PLC output low, LED off, output pulled high by R2.

Designed to operate efficiently across a broad range of input currents ( IFcap I sub cap F ), making it easy to drive with a standard GPIO pin.

The A1458 (HCPL-A1458) is a specialized high-speed optocoupler designed to provide galvanic isolation for IGBT and Power MOSFET gate driving in industrial motor drives and power supplies. Featuring an open-collector output, it offers 35 ns propagation delay and a robust operating range of -40°C to +100°C for high-noise environments. Technical specifications can be reviewed in the datasheet from Farnell . HCPL-A1458 | In Stock - utsource Without high CMTI, these transients couple through the

: Minimum immunity of 15 kV/µs to 50 kV/µs at high transient voltages, preventing spurious logic states in noisy environments. Operating Voltage ( VCCcap V sub cap C cap C end-sub

) : Primary supply voltage input for the integrated output detector chip. Target Industry Applications