1. LM2902AQT14-13 Substitution Conclusion Under the premise of pin compatibility and identical basic functionality, the LM2902AQT14-13 can serve as a substitute for the original part number. However, the impact of key performance differences on the specific application must be considered. The primary variances are as follows: its gain bandwidth product (700 kHz) is lower than that of the original part (1 MHz), resulting in weaker signal processing capability at high frequencies or under high closed-loop gain conditions. The input bias current (20 nA) is significantly better than the original's (90 nA), which is advantageous for applications demanding low input current, such as high-impedance sensor interfaces. A defined slew rate (0.3V/µs) and a wider supply voltage range (2V to 36V) provide clearer expectations for dynamic performance and greater power supply adaptability. Furthermore, its AEC-Q100 automotive qualification is a distinct advantage in reliability-critical automotive or industrial environments.