1. TL062ACD Substitution Conclusion Direct substitution of the LM258AWDT with the TL062ACD has low feasibility and is not recommended. The key differences are as follows: First, its supply voltage range (10-30V) is narrower than that of the original part (3-30V), with a significantly higher minimum operating voltage. This renders it unsuitable for direct replacement in single-supply, low-voltage systems (e.g., 5V or 3.3V) or wide-voltage-range applications. Second, its output drive capability (20mA) is substantially lower than the original part's 60mA, leading to a marked reduction in its ability to drive low-impedance loads. This may fail to meet the original design's current output requirements. Furthermore, the TL062ACD lacks AEC-Q100 automotive-grade qualification, whereas the original part is automotive-grade, making it non-interchangeable in automotive or high-reliability industrial applications. Although its J-FET input offers the advantage of extremely low input bias current (pA-level vs. nA-level), making it suitable for high-impedance signal sources, the critical limitations outlined above preclude its use as a drop-in replacement.