1. LM358ADR2G Substitution Conclusion The feasibility of substituting the TL062ACPSRG4 with the LM358ADR2G is low, primarily due to key technical discrepancies. First, the LM358ADR2G employs a standard BJT input stage, exhibiting an input bias current as high as 45 nA. In contrast, the TL062, being a J-FET input amplifier, features a significantly lower input bias current of 30 pA. In applications demanding high input impedance, such as sensor interfaces or signal conditioning, the LM358ADR2G would introduce substantial error voltage, severely degrading precision. Second, the TL062 offers a slew rate of 3.5 V/µs, while the LM358ADR2G's slew rate, though not explicitly specified, is typically below 1 V/µs. This limitation constrains its performance in high-speed signal or transient response scenarios. Furthermore, the TL062 has a quiescent current of 200 µA per channel, compared to 800 µA for the LM358ADR2G, potentially reducing energy efficiency in low-power designs. Although the LM358ADR2G supports a wider supply voltage range (3 V to 32 V) and provides higher output current (40 mA)—advantages potentially beneficial in specific low-voltage or high-drive applications—its core parameter mismatches render it unsuitable for direct substitution in most scenarios requiring J-FET characteristics or high speed, necessitating a re-evaluation of the circuit design.