1. AD8682ARZ Substitution Conclusion In most general application scenarios, the AD8682ARZ can serve as a replacement for the TL052ACD, provided that the impact of key performance differences on the system is carefully considered. The AD8682ARZ offers significantly better input precision—with an input bias current of 6 pA versus 30 pA and an offset voltage of 350 µV versus 650 µV—making it more suitable for high-impedance sensing or precision measurement applications. It also features extremely low supply current (210 µA per channel vs. 4.8 mA per channel), which benefits low-power designs, and operates over a wider supply voltage range (9 V to 36 V). However, the AD8682ARZ has a slew rate of only 9 V/µs, which is about 45% of the TL052ACD’s 20 V/µs, and its output drive capability is substantially lower (12 mA vs. 80 mA). These limitations may constrain performance in applications requiring fast signal response or driving low-impedance loads, potentially leading to waveform distortion or insufficient load drive. If the application does not involve high-frequency or high-current signal processing, the AD8682ARZ can be adopted as a high-performance, low-power alternative; otherwise, the system’s dynamic requirements should be re-evaluated.