The SE4558 has a supply voltage of ±22V and the NE4558 has a supply voltage of ±18V. The jrc4558 is a dual op-amp with an internal compensation circuit. Excellent channel separation characteristics allow the use of dual op amp devices in single op amp applications, providing the highest package density. The NE\/SA\/SE4558 is fully pin-compatible with the RC\/RM\/RV4558.