1. LM2902T14-13 Substitution Conclusion The LM2902T14-13 can serve as a replacement for the original LM2902WPT, though careful evaluation of performance compatibility is required. Key differences include: a reduction in gain bandwidth product from 1.3 MHz to 700 kHz, and a decrease in slew rate from 0.4 V/µs to 0.3 V/µs. In applications involving high‑frequency signal processing or fast transient response, the substitute may exhibit slower response and limited bandwidth, which can affect dynamic performance. The supply voltage range is extended to 3 V–36 V (compared to the original 3 V–30 V), providing wider supply adaptability suitable for environments with significant voltage fluctuation. Supply current is specified as 1 mA per channel (the original part does not specify a value, but typical figures are similar); total power dissipation may be slightly higher, requiring consideration in power supply design. If the application is not critical in terms of bandwidth and speed, and would benefit from the wider voltage range, substitution is feasible. Otherwise, verification of key performance parameters is recommended prior to use.