1. LMH6702MFX/NOPB Substitution Conclusion The LMH6702MFX/NOPB exhibits significant deviations in key high-speed performance parameters, resulting in limited substitution feasibility. Direct replacement is only viable under specific conditions. The primary differences and their impacts are as follows: Its higher bandwidth (1.7 GHz vs. 845 MHz) is advantageous for processing higher-frequency signals. However, its significantly lower slew rate (3100 V/µs vs. 5500 V/µs) slows the response to large-signal or fast-step inputs, potentially degrading transient performance. Most critically, its minimum operating voltage (10 V vs. 5 V) is substantially higher than that of the AD8009, precluding direct replacement in designs originally using ±5V or a single +5V supply. Furthermore, its lower output drive current (80 mA vs. 175 mA) reduces its capability to drive low-impedance loads. Substitution may only be considered if the original circuit operates at 10V or higher and does not have stringent requirements for ultra-high slew rate.