Create a physical barrier void of any copper traces, ground planes, or vias directly beneath the optocoupler package. This zone must stretch from the input pins to the output pins.
: Certified to work reliably from -40∘Cnegative 40 raised to the composed with power C +100∘Cpositive 100 raised to the composed with power C across harsh industrial environments. Core Applications
You can view technical parameters and search for the exact PDF on the ALLDATASHEET HCPL-1458 Search Page 2. Dual Operational Amplifier (MC1458 / LM1458)
Allows for flexible voltage level-shifting, bussing, and ORing. High Immunity 1458 optocoupler datasheet
Propagation delay measures how fast the optocoupler responds to a change in the input signal. For high-speed logic or communication lines, these metrics (measured in nanoseconds) are crucial to ensure your system timing is not compromised. Pinout and Circuit Configuration
on the output pin to interface correctly with digital logic. Isolation Voltage ( cap V sub i s o end-sub Rated for up to cap V sub r m s end-sub
, high-speed logic gate optocouplers like the 1458 typically follow this standard 8-pin layout: Input Side: Pins for the Anode and Cathode of the internal GaAsP LED. Output Side: cap V sub cap C cap C end-sub , Ground, and the Open Collector output. 3. Essential Design Considerations Create a physical barrier void of any copper
High-isolation barrier between patient-side sensors and monitoring equipment.
: High-speed, low-power logic gate optocouplers from Broadcom. 6N137 / Go to product viewer dialog for this item.
V(BR)CEOcap V sub open paren cap B cap R close paren cap C cap E cap O end-sub Breakdown Voltage ( Core Applications You can view technical parameters and
In isolated DC-DC converters, the 1458 is frequently placed in the feedback loop alongside a shunt regulator (like the TL431). It passes error voltage signals across the barrier to the PWM controller on the primary high-voltage side without compromising isolation integrity. Best Practices for PCB Layout To maintain the 5300 VRMScap V sub cap R cap M cap S end-sub
An infrared LED that converts an electrical signal into light. Output Side: