1. LM2902EDR2G Substitution Conclusion The LM2902EDR2G can serve as a direct drop‑in replacement for the TL3474AIDR in terms of package compatibility (14‑SOIC) and basic functionality (quad general‑purpose op‑amp). However, critical performance differences limit its substitution range. First, the LM2902EDR2G does not specify slew rate and gain‑bandwidth product (GBW), whereas the TL3474AIDR is rated for 13 V/µs slew rate and 4 MHz GBW. Consequently, the LM2902EDR2G may not be suitable for applications involving mid‑to‑high‑frequency signals or fast transient responses. Second, the input offset voltage of the LM2902EDR2G (2 mV) is twice that of the TL3474AIDR (1 mV). This reduces DC accuracy and can introduce significant error in circuits requiring high‑precision amplification. Additionally, the LM2902EDR2G has a slightly lower maximum supply voltage (32 V) compared to the TL3474AIDR (36 V), restricting its use in higher‑voltage environments. Substitution is feasible if the application involves only low‑frequency, low‑precision, or switching signal processing, and the supply voltage does not exceed 32 V. However, for circuits sensitive to bandwidth, slew rate, or precision, the replacement is not recommended.