1. AS358MTR-G1 Substitution Conclusion Based on key parameters and package compatibility, the AS358MTR-G1 can serve as a substitute for the LM358D in most general-purpose applications. However, two core differences must be considered. First, the quiescent current of the AS358MTR-G1 (700µA per channel) is approximately 40% higher than that of the LM358D (500µA per channel). This increase may lead to higher system energy consumption in battery-powered or power-sensitive designs. Second, while the LM358D specifies a slew rate of 0.3V/µs and a gain-bandwidth product of 700kHz, these dynamic performance parameters are not specified for the AS358MTR-G1. If the circuit involves high-frequency signals or fast transient response, bench verification is necessary prior to substitution to ensure dynamic performance meets the original design requirements. On the other hand, the AS358MTR-G1 offers some advantages. Its input offset voltage (2mV) is slightly better than the LM358D's (3mV), and it has a wider maximum supply voltage range (36V). These characteristics enhance its suitability for precision regulation or wide-supply-voltage applications. In summary, for low-frequency, non-low-power general-purpose amplification, comparator, or signal conditioning circuits, the AS358MTR-G1 can be used as a direct replacement. The substitution decision should ultimately be based on an evaluation of whether its power consumption and dynamic performance align with the original design requirements.