Original Part
Alternative Part
1. LM2902KVQPWRG4Q1 Substitution Conclusion
The LM2902KVQPWRG4Q1 (TI) can functionally replace the LM2902T14-13, with the following key differences: higher bandwidth (1.2 MHz vs. 700 kHz) and slew rate (0.5 V/µs vs. 0.3 V/µs), providing improved dynamic response; stronger output current capability (60 mA vs. 40 mA) for better load driving; however, it exhibits a slightly higher input offset voltage (3 mV vs. 2 mV), which may affect DC accuracy, and a lower maximum supply voltage (32 V vs. 36 V)—system voltage must be verified to stay within this limit. Additionally, this variant is AEC-Q100 automotive-grade qualified, making it suitable for harsh environments, though its quiescent current is moderately higher (1.4 mA/channel vs. 1 mA/channel). Substitution is feasible if the system voltage does not exceed 32 V and the increased offset is acceptable, but performance in precision DC applications should be validated.
2. LM2902WYPT Substitution Conclusion
The LM2902WYPT (ST) can serve as a replacement for the LM2902T14-13. Notable differences include: superior bandwidth (1.3 MHz) and slew rate (0.4 V/µs), offering better dynamic performance; the output is explicitly specified as push-pull (while the original does not define the structure), which may improve output swing characteristics. However, it has a lower maximum supply voltage (30 V vs. 36 V)—operating voltage must remain within this limit—and a higher maximum quiescent current (1.5 mA/channel), leading to slightly increased power consumption. Its offset voltage (2 mV) matches the original, maintaining good DC accuracy, and it is also AEC-Q100 automotive qualified. Substitution is viable if the application operates within 30 V and can tolerate the higher power dissipation, particularly in scenarios requiring automotive-grade reliability or push-pull output performance.
Analysis ID: 6C6A-B44A000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com