1. MCP6L72T-E/MS Substitution Conclusion Conditional substitution is feasible for applications where DC precision requirements are relaxed, and low power consumption and a wide supply voltage range are prioritized. Compared to the LMV772, its primary differences are: input bias current (1 pA vs. 0.23 pA) and input offset voltage (1 mV vs. 250 µV) are an order of magnitude higher. This will directly result in a significant degradation of signal DC accuracy, making it unsuitable for high-impedance sensors or precision DC amplification. Its gain-bandwidth product (2 MHz vs. 3.5 MHz) and slew rate (0.9 V/µs vs. 1.4 V/µs) are lower, limiting signal processing speed and bandwidth. However, its advantages are an extremely low quiescent current (150 µA vs. 600 µA), which is beneficial for battery-powered operation, and a wider supply range (2-6V vs. 2.7-5.5V). Substitution can be considered if the original design has sufficient margin for both precision and speed, and power optimization is required. Otherwise, a full reassessment of system error is necessary.