Datasheet: A1458 Optocoupler

Always consult the official manufacturer's datasheet from Broadcom (formerly Avago Technologies) for the most up-to-date and detailed specifications, including absolute maximum ratings, thermal characteristics, and detailed application notes. Understanding the intricacies of this datasheet will allow you to fully leverage the A1458's capabilities to create safer, more resilient, and high-performance electronic systems.

To use the component effectively, you must decipher the datasheet. Here are the critical parameters you need to look for in the A1458 datasheet.

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 a1458 optocoupler datasheet

): Typically operates between 4.5V and 5.5V (TTL compatible).

Diagram (text representation):

The A1458 is an 8-pin device, though typically only 6 pins are used for functional connections in single-channel mode. Pin Number Description No Connect (Not internally connected) 2 Input LED Anode 3 Input LED Cathode 4 No Connect (Not internally connected) 5 Detector Ground (0V) 6 VOcap V sub cap O Output Signal (Open Collector) 7 No Connect (Not internally connected) 8 VCCcap V sub cap C cap C end-sub Detector Supply Voltage ( 4. Key Specifications Maximum Propagation Delay: tPLHt sub cap P cap L cap H end-sub tPHLt sub cap P cap H cap L end-sub Common Mode Transient Immunity ( VCMcap V sub cap C cap M end-sub ): Supply Voltage ( VCCcap V sub cap C cap C end-sub ): Isolation Voltage ( VISOcap V sub cap I cap S cap O end-sub ): Input Current (Forward): Typically for proper switching. 5. Typical Applications

: Negative terminal connection for the internal infrared LED. Here are the critical parameters you need to

) maxing out at , or rated at 35 ns at 10 kHz depending on the specific biasing test configurations. This permits high data-rate logic communication without introducing latency issues.

Protects sensitive MCUs from voltage spikes and noise while communicating with external hardware. Packaging Information Diagram (text representation): The A1458 is an 8-pin

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