1. TL032ACDR Substitution Feasibility Assessment This alternative is not recommended for most applications. While the TL032ACDR and TL072CDT are both J-FET input dual op-amps with pin-to-pin compatibility, their key performance parameters differ significantly. The TL032ACDR's gain-bandwidth product (1.1 MHz) and slew rate (5.1 V/µs) are only one-quarter to one-third of the original part's, which may lead to insufficient high-frequency signal processing capability or slow dynamic response. Its supply voltage range is also narrower (10–30V vs. 6–36V), limiting its use in low-voltage or wide-supply applications. Furthermore, the TL032ACDR lacks AEC-Q100 automotive-grade qualification, requiring additional reliability validation if intended for automotive electronics. Its only advantage is a lower input bias current (2 pA). Overall, due to these performance gaps, it is only suitable for non-automotive, low-frequency circuits where bandwidth and slew rate are not critical. 2. AD706JRZ-REEL Substitution Feasibility Assessment Direct substitution is not viable. The AD706JRZ-REEL is a general-purpose standard op-amp (non-J-FET input), and its technical characteristics differ markedly from the original part. Its gain-bandwidth product (800 kHz) and slew rate (0.15 V/µs) are considerably lower than those of the TL072CDT, making it unsuitable for medium-to-high frequency or fast transient signal processing. Its output current capability (15 mA) is only 37.5% of the original part's, limiting load drive capacity. The higher input bias current (50 pA) also makes it less appropriate for precision applications such as high-impedance sensor interfaces. Although it offers lower input offset voltage (30 µV) and a wider supply range (4–36V), the core performance gap is too substantial. It could only be considered as a functional replacement in DC or ultra-low-frequency precision measurement scenarios, and circuit stability would require re-evaluation.