Original Part
Alternative Part
1. OP177FSZ Substitution Conclusion
The OP177FSZ can electrically replace the original OP-07DPSRG4. Key differences include a lower input bias current (1.2 nA vs. 2 nA) and lower input offset voltage (10 µV vs. 60 µV), enabling higher signal accuracy and reduced input error in high-precision and high-impedance applications. The package width differs (3.90mm vs. 5.30mm), which may lead to PCB layout incompatibility and require design adjustments. Other parameters such as supply range (6V to 36V), slew rate (0.3V/µs), and gain bandwidth product (600 kHz) remain identical, ensuring compatible dynamic performance. However, pinout compatibility and potential manufacturer-specific variations should be verified for the target application.
2. OP177FSZ-REEL Substitution Conclusion
The substitution conclusion for the OP177FSZ-REEL is identical to that of the OP177FSZ, as both share the same electrical specifications—including input bias current (1.2 nA), input offset voltage (10 µV), supply range (6V to 36V), and dynamic performance (0.3V/µs slew rate, 600 kHz GBW). This allows a seamless technical replacement for the original OP-07DPSRG4. The same package width difference (3.90mm vs. 5.30mm) presents a layout consideration. The additional distinction is the reel packaging format, which is suitable for automated assembly but does not affect electrical characteristics. This packaging difference may, however, influence supply chain selection or inventory management.
Analysis ID: EA91-63D5000
Based on part parameters and for reference only. Not to be used for procurement or production.
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