Original Part
Alternative Part
1. LM2902KAVMPWREP Substitution Conclusion
The LM2902KAVMPWREP (TI) can serve as a direct replacement for the LM2902T14-13, though key parameter differences must be noted: its slew rate (0.5 V/µs) and gain-bandwidth product (1.2 MHz) are significantly higher than those of the original part (0.3 V/µs, 700 kHz), offering improved high-frequency response and dynamic performance; its output current capability (60 mA) is also greater, making it suitable for driving heavier loads. However, its input offset voltage is slightly higher (3 mV vs. 2 mV), which may affect applications with extremely stringent DC accuracy requirements. Additionally, its supply current is somewhat higher (1.4 mA vs. 1 mA), leading to marginally increased power consumption, while the maximum supply voltage is slightly reduced (32 V vs. 36 V), limiting the high-voltage operating range. Overall, it can be directly substituted in most general-purpose amplifier circuits, particularly in scenarios requiring higher bandwidth and drive capability.
2. NCV2902DTBR2G Substitution Conclusion
The NCV2902DTBR2G (onsemi) can functionally replace the LM2902T14-13 in basic parameters, but with notable limitations: its gain-bandwidth product (1 MHz) is better than that of the original part (700 kHz), yet its input bias current is considerably higher (90 nA vs. 20 nA), which may introduce greater error in high-impedance signal sources or precision integrator circuits. The slew rate is not explicitly specified and is likely lower, potentially affecting transient response performance. Furthermore, the maximum supply voltage is also reduced to 32 V (original 36 V), and the supply current parameter is undocumented, requiring further verification. This device is suitable only for general-purpose, mid-to-low frequency applications where input bias current is not critical. Substitution carries higher risk if the circuit relies on low-bias-current characteristics.
Analysis ID: 551D-CAA8000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com