2. BU7486F-E2 Substitution Conclusion Can serve as a high‑performance alternative provided voltage and power constraints are met, though package compatibility must be verified. This device surpasses the original in AC performance, offering higher bandwidth (GBWP: 10 MHz vs. 1 MHz) and slew rate (10 V/µs vs. 1 V/µs), enabling it to process higher‑speed signals. Its CMOS technology also provides superior DC precision (input bias current: 1 pA vs. 15 nA). The trade‑offs are: first, its quiescent current is significantly higher (6 mA vs. 210 µA per channel), which would substantially reduce battery life in power‑sensitive applications; second, its minimum operating voltage is slightly higher (3 V vs. 2.7 V), limiting use in very low‑voltage systems; third, the package body width differs slightly (4.40 mm vs. 3.90 mm), which may require minor PCB layout adjustments. If the higher power consumption and slightly narrower voltage range are acceptable, this part represents a performance‑upgrade replacement option.