Original Part
Alternative Part
1. LMV321IDBVT Substitution Conclusion
The LMV321IDBVT can serve as a substitute; however, attention must be paid to its significantly higher input offset voltage (1.7 mV vs. 800 µV), which may lead to greater output error in applications requiring high‑precision DC amplification. Its supply voltage lower limit is slightly higher (2.7 V vs. 2.5 V), limiting suitability in extremely low‑voltage operation. On the other hand, its slew rate (1 V/µs) is somewhat faster, bandwidth (1 MHz) is comparable, and quiescent current is identical. Therefore, it can be compatible in non‑precision, medium‑to‑low‑speed signal‑processing scenarios, provided that accuracy meets system requirements through verification.
2. APX321WG‑7 Substitution Conclusion
The APX321WG‑7 shows good substitution potential. The primary difference lies in its higher input offset voltage (1.7 mV vs. 800 µV), which similarly limits DC accuracy. However, its lower quiescent current (110 µA vs. 130 µA) benefits power savings, and its stronger output drive capability (90 mA vs. 70 mA) makes it suitable for driving heavier loads. The supply range matches the original part, and dynamic performance (slew rate, bandwidth) is close. Consequently, it can be substituted in general‑purpose amplifier circuits where power consumption and drive capability are prioritized over stringent precision requirements.
Analysis ID: 66E4-B137000
Based on part parameters and for reference only. Not to be used for procurement or production.
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