1. LM358DR Substitution Conclusion In most general-purpose low-frequency applications, the LM358DR can directly replace the LM358ADR2G. Both share the same core architecture, package (8-SOIC), and fundamental characteristics (rail-to-rail output, wide single/dual supply operation). The key differences are: the LM358DR has a slightly lower gain-bandwidth product (700 kHz vs. 1 MHz), which may result in marginally weaker performance in high-frequency small-signal processing. Its input bias current (20 nA) is superior, but its input offset voltage (3 mV vs. 2 mV) is slightly worse. In applications demanding extremely high DC precision, this offset may require re-evaluation; however, for common amplifier, filter, or comparator circuits, this difference is generally acceptable. As different manufacturer versions of the same standard part number, the LM358DR is a qualified substitute. Post-replacement, it is necessary to verify that the bandwidth and DC accuracy still meet the system requirements.