1458 Optocoupler Datasheet — Essential
The is a high-speed, dual-channel logic gate optocoupler often manufactured by Broadcom (formerly Avago/Agilent) . It is designed for applications requiring robust electrical isolation and fast data transmission, such as industrial control and telecommunications. Key Specifications According to technical data , the HCPL-1458 features: Channels : 2 unidirectional channels. Data Rate : Up to 10 MBd (10 Mbps).
Internal isolation spacer; must be left floating on the PCB layout.
Because "1458" is a very common part number, ensure you aren't actually looking for one of these: MC1458 Dual Op-Amp Go to product viewer dialog for this item. 1458 optocoupler datasheet
| Pin | Function | Description | |-----|----------|-------------| | 1 | Anode | LED anode; forward‑biased when input signal is present | | 2 | Cathode | LED cathode; completes input circuit | | 3 | Collector| Phototransistor collector; output pulled up to VCC | | 4 | Emitter | Phototransistor emitter; grounded or tied to a reference |
, ensuring safety between high-voltage power stages and low-voltage control circuits. 4. Typical Applications Isolated Data Acquisition: The is a high-speed, dual-channel logic gate optocoupler
: Commonly available in a hermetically sealed 16-DIP or SOP-8 package for high-reliability environments. Review: Pros & Cons HCPL-1458 Avago - Xecor
Standard models offer around 1500V to 5300Vrms isolation. Data Rate : Up to 10 MBd (10 Mbps)
Found in the high-frequency switching stages of solar inverters, wind power systems, and uninterruptible power supplies (UPS).
Sends voltage feedback from the low-voltage output side back to the high-voltage PWM controller on the primary side while keeping the two stages isolated.
: Isolating power transistors and feedback elements.