Original Part
Alternative Part
1. TL082CMX/NOPB Substitution Conclusion
The TL082CMX/NOPB is not recommended as a direct replacement for the original TL082CD due to significant differences in key parameters. Its fixed supply voltage range of 36V (compared to 10–30V for the original) may cause operational issues in lower-voltage systems. The input offset voltage increases to 5mV (versus 3mV originally), introducing higher DC error. While the gain bandwidth is improved to 4MHz (from 3MHz), which benefits high-frequency response, the quiescent current rises substantially to 3.6mA per channel (originally 1.4mA), leading to increased power dissipation and potential thermal concerns. This variant is better suited for high-voltage, low-precision applications. Forced substitution may require reevaluation of power supply design, thermal management, and error tolerance.
2. TL082BCD Substitution Conclusion
The TL082BCD can serve as a direct replacement, as its core parameters closely match those of the original device: supply range (10–30V), gain bandwidth (3MHz), and quiescent current (1.4mA per channel) are identical. Moreover, the input offset voltage is further improved to 2mV (compared to 3mV originally), enhancing DC accuracy. Only minor differences in package details (such as pin plating or markings) may exist. In most applications, the TL082BCD can replace the original seamlessly, even offering better offset performance without circuit modifications. However, verifying lot-to-lot consistency before production is advised to mitigate potential process variations.
Analysis ID: ECBA-7D2C000
Based on part parameters and for reference only. Not to be used for procurement or production.
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