A1458 Optocoupler Datasheet [portable] Jun 2026

): High safety rating of , ensuring protection between low-voltage control and high-voltage power stages.

In the world of electronics design, isolation is king. Whether you are protecting a sensitive microcontroller from high-voltage industrial machinery or simply eliminating ground loops in an audio circuit, the optocoupler (or optoisolator) is the silent guardian.

| Pin Number | Name | Function | | :--- | :--- | :--- | | 1 | NC | No Connect | | 2 | ANODE | Anode (+) of the input LED | | 3 | CATHODE | Cathode (-) of the input LED | | 4 | NC | No Connect | | 5 | GND | Ground connection for the output side | | 6 | VO | Output Voltage (open-collector output) | | 7 | VCC | Positive supply voltage for the output side | | 8 | GND | Ground connection for the output side |

A genuine datasheet will provide the absolute maximum ratings and recommended operating conditions. The following table compiles the key electrical characteristics you can expect to find in an HCPL-1458/A1458 datasheet. a1458 optocoupler datasheet

Engineers must evaluate several essential parametric limits from the datasheet when designing high-speed digital systems with the A1458: Specification / Value Engineering Context VRMScap V sub cap R cap M cap S end-sub

Optocouplers are essential components in modern electronics, providing electrical isolation between low-power control circuits and high-voltage power systems. Among the various options available to design engineers, the A1458 optocoupler stands out as a reliable, high-performance solution for signal isolation.

You need a resistor in series with the LED. ): High safety rating of , ensuring protection

Formula: RIN=VLOGIC−VFIFFormula: cap R sub cap I cap N end-sub equals the fraction with numerator cap V sub cap L cap O cap G cap I cap C end-sub minus cap V sub cap F and denominator cap I sub cap F end-fraction 7. Conclusion

: Features an integrated high-gain photo detector and a logic gate for high-speed switching. Common Applications Industrial Automation

These graphs show how temperature affects speed and power consumption. 🚀 Common Applications | Pin Number | Name | Function |

Inverter topologies, solar power converters, and variable-frequency motor drives utilize High-Power MOSFETs or IGBTs. The A1458 isolates the high-voltage power stage while sending sharp, distortion-free switching control pulses down to the gate-driver circuit. Single Channel, High Speed Optocouplers Technical Data

Negative terminal of the internal input IR LED.