1. LMV358IDT Substitution Conclusion This substitution is generally feasible, but its exceptionally high input bias current (16nA vs. 1pA) is a critical limitation. In applications requiring high input impedance—such as photodetection or signal conditioning for high-impedance sensors—it will introduce an input error current significantly larger than that of the original part, which may be completely unacceptable. Its advantages include lower input offset voltage (100µV), stronger output drive capability (160mA), and a similar supply voltage range. The disadvantages are its bandwidth and slew rate, which are approximately half those of the original part, resulting in slightly inferior dynamic performance. It is suitable for general-purpose applications where input bias current is not critical, but output drive or offset voltage performance is required.