A1458 Optocoupler Datasheet
| Parameter | Symbol | Typical Value | Unit | | :--- | :--- | :--- | :--- | | Rise Time | tr | 4 | µs | | Fall Time | tf | 3 | µs | | Turn-on Time | ton | 5 | µs | | Turn-off Time | toff | 4 | µs |
Low power draw optimized for dense, multi-channel arrays and battery-operated equipment. Pin Configuration and Package Styles
| Pin Number | Name | Description | |------------|-------------|------------------------------------| | 1 | Anode (A) | Positive terminal of the IR LED | | 2 | Cathode (C) | Negative terminal of the IR LED | | 3 | Emitter (E) | Output phototransistor emitter | | 4 | Collector (C)| Output phototransistor collector | a1458 optocoupler datasheet
According to the Xecor product overview and UTSOUCE datasheet, the key technical features of the A1458 include: Typical propagation delay ( tPHLt sub cap P cap H cap L end-sub tPLHt sub cap P cap L cap H end-sub ) is extremely low, often at maximum, enabling rapid switching and data transmission.
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 engineers, the (often associated with high-performance optoelectronic devices from manufacturers like Broadcom/Avago) stands out for its reliability and speed. | Parameter | Symbol | Typical Value |
high-speed, single-channel optocoupler (also known as the HCPL-A1458 ) manufactured by Avago/Agilent
A1458 Optocoupler Datasheet: Features, Applications, and Technical Specifications The HCPL-A1458 Among the various options available to engineers, the
between the A1458 and other high-speed optocouplers like the 6N137? Line HP1458 HCNW1458 HCPL-1458 DIP-8 Optocouplers
Rin=5V−1.2V0.015A=3.8V0.015A≈253 Ωcap R sub i n end-sub equals the fraction with numerator 5 V minus 1.2 V and denominator 0.015 A end-fraction equals the fraction with numerator 3.8 V and denominator 0.015 A end-fraction is approximately equal to 253 space cap omega Safe standard value: . Step 2: Calculate the Output Pull-Up Resistor ( Rpullcap R sub p u l l end-sub