Original Part
Alternative Part
1. LM2902PW Substitution Conclusion
The LM2902PW can generally replace the original LM2902T14-13 in most common applications, but several key differences must be considered: it offers higher slew rate (0.5 V/µs vs. 0.3 V/µs) and gain bandwidth product (1.2 MHz vs. 700 kHz), providing faster signal processing and improved high‑frequency performance, making it suitable for applications requiring wider bandwidth. However, its maximum supply voltage range is narrower (26 V vs. 36 V), limiting use in higher‑voltage environments, and its lower output current (30 mA vs. 40 mA) may reduce high‑load drive capability. Additionally, its slightly higher quiescent current (1.4 mA vs. 1 mA) will increase power dissipation. Substitution is feasible if the operating voltage does not exceed 26 V and high drive current is not required, but power consumption and accuracy should be evaluated, as the slightly higher input offset voltage (3 mV vs. 2 mV) may marginally degrade DC precision.
2. LM2902PWRG4 Substitution Conclusion
The substitution feasibility of the LM2902PWRG4 is identical to that of the LM2902PW, as both devices share all technical parameters: slew rate (0.5 V/µs) and gain bandwidth product (1.2 MHz) are superior to the original part, improving high‑frequency response; however, the supply voltage range (max. 26 V vs. 36 V) is narrower, restricting high‑voltage applications, and the lower output current (30 mA vs. 40 mA) reduces load drive capability, while the higher quiescent current (1.4 mA vs. 1 mA) increases system power dissipation. As an environmentally friendly version from Texas Instruments (denoted by the G4 suffix), it is functionally and electrically equivalent to the LM2902PW. Therefore, substitution depends on the application—if the operating voltage remains within 26 V and the slightly higher power dissipation and lower output current are acceptable, direct replacement is possible, though the input offset voltage (3 mV vs. 2 mV) should be considered for potential minor impact in precision circuits.
Analysis ID: 3D2E-EAF5000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com