1. LMV358SG-13 Substitution Conclusion Feasibility: The LMV358SG-13 is not a highly feasible direct substitute and is only suitable for specific applications where high input impedance and extremely low operating voltage are not required. The key differences are as follows: ① Input Bias Current (15nA vs. 1pA): It is four orders of magnitude higher. In applications with high source impedance, this will generate significantly larger offset voltage errors, rendering it unsuitable for precision applications requiring high input impedance, such as photodetection circuits. ② Minimum Operating Voltage (2.7V vs. 1.8V): It cannot operate within the 1.8V to 2.7V range, limiting its use in ultra-low-voltage scenarios like single-cell battery-powered systems. ③ Quiescent Current (190µA/channel vs. 180µA/total): Power consumption is nearly doubled, which is disadvantageous for power-sensitive designs. Although it offers higher output drive capability (90mA) and a faster slew rate (1V/µs), these advantages do not compensate for its significant shortcomings in critical DC precision and low-voltage operational capability.