1. ADA4505-2ARMZ-RL Substitution Conclusion Direct substitution is generally not feasible and should only be cautiously evaluated for very low-speed, ultra-low-power precision measurement scenarios. The key differences from the original part (OPA2364IDGKT) lie in its extremely low slew rate (0.006 V/µs) and gain-bandwidth product (50 kHz), which are 2-3 orders of magnitude lower than the original's specifications (5 V/µs, 7 MHz). Consequently, it is completely incapable of handling any mid-to-high frequency or fast-changing signals. Substitution would result in severely insufficient system bandwidth and extremely sluggish dynamic response. Its primary advantages are its ultra-low quiescent current (7 µA) and exceptionally low input bias current (0.5 pA), representing top-tier low-power consumption and high-input-impedance characteristics. Therefore, it is only suitable for DC or ultra-low-frequency sensing applications where speed is not a requirement, but power consumption and input leakage current are critically sensitive parameters.