1. LM258AWDT Substitution Conclusion The LM258AWDT can be used as a replacement for the TL062ACPSR in certain scenarios, but key differences must be carefully evaluated. The LM258AWDT is a bipolar-input general-purpose op‑amp with an input bias current (20 nA) significantly higher than the JFET‑input TL062ACPSR (30 pA). This may introduce noticeable error in high‑impedance signal sources or precision measurement circuits. Furthermore, the slew rate of the LM258AWDT (0.6 V/µs) is only about one‑sixth that of the TL062ACPSR (3.5 V/µs), which can lead to distortion or bandwidth limitations in large‑signal, high‑frequency applications. On the other hand, the LM258AWDT offers a wider supply voltage range (3 V to 30 V) and stronger output current capability (60 mA), and it is AEC‑Q100 qualified, making it suitable for automotive or low‑voltage single‑supply systems. If the original design relies on the ultra‑low input current or high‑speed response of the JFET input, substitution is not advisable. However, for ordinary low‑frequency, non‑high‑impedance signal conditioning where the supply voltage is compatible, the LM258AWDT can serve as a valid replacement and benefit from its automotive‑grade reliability.