1. AS358MTR-E1 Substitution Conclusion Direct substitution is not recommended. The AS358MTR-E1 is a general-purpose dual operational amplifier. While it shares the same package and maximum supply voltage rating as the TL082IDRQ1, its core architecture (standard BJT input) and key specifications differ significantly from the original JFET-input op-amp. The most critical distinction is the input bias current (20nA vs. 30pA), resulting in AS358's input impedance being nearly three orders of magnitude lower. In circuits requiring high-impedance inputs, such as sensor interfaces, precision integrators, or sample-and-hold stages, this will lead to substantial signal attenuation and error. Furthermore, its unspecified slew rate and gain-bandwidth product are typically far inferior to those of the TL082, severely degrading dynamic response (signal processing speed and bandwidth). It might be marginally acceptable only in purely DC or low-frequency, non-critical general-purpose amplification applications with minimal requirements for input impedance, speed, and precision, and where the operating voltage exceeds 7V. However, the risk of significant performance degradation remains high.