1. ADA4062-2ARZ-RL Substitution Conclusion Substitution is conditionally feasible, but requires careful evaluation of the supply voltage and output drive capability. The ADA4062-2ARZ-RL utilizes a JFET input stage, featuring an exceptionally low input bias current (2 pA) and a smaller offset voltage (750 µV). This makes it well-suited for applications sensitive to input errors, such as high-impedance sensor signal conditioning. Furthermore, its slew rate (3.3 V/µs) is significantly higher than the original part's (0.6 V/µs), enabling faster dynamic response. However, its minimum operating voltage (8 V) is much higher than the LM158WDT's (3 V), precluding direct replacement in low-voltage single-supply systems. Additionally, its output current (20 mA) is only half that of the original part, resulting in weaker drive capability for heavy loads. The absence of AEC-Q100 automotive qualification also renders it unsuitable for applications requiring Automotive grade compliance.