1. LMV358IDGKR Substitution Conclusion Direct substitution is not recommended. The LMV358IDGKR exhibits significant deviations from the original part in key low-power and high-precision parameters. Its quiescent current (210µA) is over four times higher than that of the original (48µA), which would lead to a substantial increase in system power consumption, making it unsuitable for power-sensitive applications such as battery-powered systems. Furthermore, its input bias current (15nA) and input offset voltage (1.7mV) are orders of magnitude worse than the original specifications (1pA, 500µV). In circuits with high source impedance or those requiring high DC accuracy, this would result in significantly larger errors and temperature drift. While it offers superior slew rate and output current capability, these advantages generally do not compensate for the performance degradation in the original part's core application scenarios: ultra-low power consumption and precision sensing.