Original Part
Alternative Part
1. TL082ACD Substitution Conclusion
The feasibility of substituting the original TL082ID with TL082ACD is limited due to significant performance degradation in key parameters. Specific differences include: a reduction in gain bandwidth product from 4 MHz to 3 MHz, which may constrain bandwidth in high-frequency signal processing applications and affect frequency response; a substantial drop in output current from 40 mA per channel to 10 mA, significantly weakening the op-amp’s drive capability and potentially preventing it from effectively driving low-impedance loads or downstream circuits with higher current demands. Although other parameters such as slew rate, input bias current, and supply range remain consistent, these core differences restrict TL082ACD to applications with low bandwidth and drive requirements, making it unsuitable as a full replacement for the original part.
2. TL082ACDT Substitution Conclusion
Substituting the original TL082ID with TL082ACDT is feasible and offers advantages across several technical specifications. Key differences include: an improved slew rate from 13 V/µs to 16 V/µs, enabling faster signal response and better suitability for high-speed large-signal processing; a reduction in input bias current from 30 pA to 20 pA, enhancing input accuracy and helping to minimize error; an expanded supply voltage range from 10–30 V to 6–36 V, providing greater flexibility in power supply selection. Additionally, this variant carries automotive-grade certification (AEC-Q100), offering higher reliability and environmental robustness. While the manufacturer changes to STMicroelectronics, the package and pinout remain fully compatible, allowing direct replacement in most applications. However, supply chain differences should be noted.
Analysis ID: C39F-A860000
Based on part parameters and for reference only. Not to be used for procurement or production.
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