1. ADTL082ARZ-REEL7 Substitution Conclusion Direct substitution is less feasible and requires careful evaluation. The primary difference lies in its use of J-FET input technology, which results in an extremely low input bias current (2 pA), significantly better than the original BJT-input part (20 nA). This makes it well-suited for applications such as high-impedance signal sources or integrators. However, its input offset voltage (1.5 mV) is slightly worse, and its minimum operating voltage (8 V) is notably higher than the original (3 V), limiting its use in single-supply or low-voltage systems. Additionally, its slew rate (20 V/µs) and gain bandwidth product (5 MHz) are considerably higher than the original, enabling better high-frequency signal handling. Yet, its power consumption (1.2 mA per channel) is also higher. Most critically, it lacks the original part’s Automotive-grade AEC-Q100 certification, which is a key disqualifier for automotive or high-reliability industrial applications.