1. OPA364AIDBVR Substitution Conclusion From a core electrical parameter standpoint, the OPA364AIDBVR significantly outperforms the AD8613AKSZ-REEL7 in speed (slew rate of 5 V/µs versus 0.1 V/µs, bandwidth of 7 MHz versus 400 kHz). However, this performance comes at the cost of significantly higher power consumption (quiescent current of 1.1 mA versus 38 µA) and markedly inferior DC precision (input offset voltage of 1 mV versus 400 µV, input bias current of 1 pA versus 0.2 pA). For general-purpose signal conditioning or driver applications where speed or bandwidth is the primary concern and high DC accuracy is not critical, the OPA364AIDBVR serves as a viable performance upgrade. Conversely, in applications with stringent requirements for microvolt-level signals, extremely low input current, or ultra-low power consumption—such as precision sensor amplification, long-term monitoring, or battery-powered devices—the performance gap between the two is substantial. Direct substitution in these scenarios would degrade system accuracy or reduce operational lifetime and is therefore not feasible.