1. AD828ANZ Substitution Conclusion The AD828ANZ is not a viable direct substitute for the LM358P. Although both are dual-channel operational amplifiers with overlapping supply voltage ranges, their core performance positioning is fundamentally different. The AD828ANZ is a high-speed, voltage-feedback op-amp featuring a -3dB bandwidth of 130MHz and a slew rate of 450V/µs. It is specifically designed for processing high-frequency or fast transient signals, such as video signals. However, this performance comes with a quiescent current of 14mA, resulting in significantly higher power consumption than the LM358P. In contrast, the original LM358P is a general-purpose, industry-standard op-amp. It has a gain-bandwidth product of only 700kHz, a slew rate of 0.3V/µs, and a remarkably low quiescent current of 500µA (for both channels). Its key advantages are low power consumption, low cost, and a high-voltage swing output. It is well-suited for applications with minimal speed requirements, such as DC conditioning or amplifying low-frequency sensor signals. A direct substitution would lead to unnecessary increases in power consumption and cost in low-speed applications. Conversely, in high-speed applications, the LM358P's performance would be entirely inadequate. Therefore, these two devices are not interchangeable.