1. Substitution Assessment for BA10358FJ-GE2 The BA10358FJ-GE2 is largely compatible with the original AS358MTR-E1 in terms of key parameters such as supply voltage range (3–32V vs. 3–36V), input offset voltage (2mV), and package (8-SOIC). However, its output drive capability (20mA) is only half that of the original (40mA), and its slew rate (0.2V/µs) is notably lower. These limitations may lead to insufficient performance in applications driving low-impedance loads or higher frequency signals. On the other hand, its lower quiescent current (500µA) offers an advantage in low-power designs. In summary, this substitute is suitable only for general-purpose low-frequency circuits where output current and dynamic response are not critical. If the original design relies on high output current or fast signal transitions, the substitution carries significant risk. 2. Substitution Assessment for BA3472YF-LBH2 The BA3472YF-LBH2 offers significantly better bandwidth (4MHz) and slew rate (10V/µs) compared to the original part, making it suitable for medium- to high-speed signal processing. However, its input bias current (100nA vs. 20nA) and input offset voltage (10mV vs. 2mV) are considerably worse, introducing higher DC error. Additionally, its quiescent current (4mA) is substantially higher than the original (700µA), resulting in significantly increased power consumption. The package width (4.40mm vs. 3.90mm) may also lead to PCB layout incompatibility. This substitute is only recommended in applications where higher speed is required and where degraded accuracy and higher power consumption are acceptable. It is not suitable for high-precision or low-power designs.