Original Part
Alternative Part
1. LM258D Substitution Conclusion
The LM258D can directly replace the LM2904FJ-E2, as both are general-purpose dual operational amplifiers with highly aligned key parameters: supply voltage range (3–32V), slew rate (0.3V/µs), and input bias current (20nA) are identical. The main differences lie in the LM258D’s slightly higher gain bandwidth product (1.1MHz vs. 800kHz) and somewhat larger input offset voltage (3mV vs. 1mV), though both remain within the same error class. Additionally, the LM258D offers stronger output drive capability (40mA vs. 30mA) and lower quiescent current (500µA vs. 600µA), which is beneficial for power optimization. Both devices are offered in 8-SOIC/SOP packages and are pin-compatible. Except in precision circuits with strict input offset voltage requirements, the LM258D can serve as a drop-in replacement in most general-purpose amplification, filtering, or comparator applications.
2. TL062ID Substitution Conclusion
The TL062ID is not a viable direct replacement for the LM2904FJ-E2 due to significant differences in core architecture and performance positioning. The TL062ID employs a JFET input stage, achieving extremely low input bias current (30pA vs. 20nA), making it suitable for high-impedance sensor signal conditioning. However, its supply voltage range is narrower (10–30V vs. 3–32V), preventing support for 3V low-voltage operation. Its output drive capability is weaker (20mA vs. 30mA), and its higher slew rate (3.5V/µs vs. 0.3V/µs) may introduce stability risks. If the application relies on a wide supply range or requires higher output current, substitution will likely cause functional issues. Replacement may only be considered in scenarios with stringent input bias current requirements and matched voltage conditions, but frequency compensation and load drive capability must be re-evaluated.
Analysis ID: 06BD-730D000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com