A1458 - Optocoupler Datasheet !!top!!

: The output of the HCPL-1458 is an open-collector transistor, meaning it can only sink current to ground. It cannot source current. Therefore, you must always connect a pull-up resistor from the output pin (Vo) to your positive logic supply voltage (VCC). The value of this resistor determines the rise time of the output signal (lower resistor = faster speed but higher power consumption).

This article provides a comprehensive overview of the , covering its key features, functional description, pinout configuration, and typical applications. 1. Introduction to A1458 Optocoupler a1458 optocoupler datasheet

The A1458 is most commonly found in a or an SMD equivalent. Pin 1: Anode (LED Input) Pin 2: Cathode (LED Input) Pin 3: Emitter (Phototransistor Output) Pin 4: Collector (Phototransistor Output) : The output of the HCPL-1458 is an