1. TL072CDT Substitution Conclusion The TL072CDT is generally compatible with the original TLE2062CDR in terms of package and supply voltage range, making it a viable substitute. However, the following key differences must be considered: The TL072CDT offers a higher slew rate (16 V/µs vs. 3.4 V/µs) and gain bandwidth product (4 MHz vs. 2 MHz), providing faster response and superior high-frequency performance in high-speed signal processing applications. On the other hand, it exhibits higher input offset voltage (3 mV vs. 900 µV) and greater input bias current (20 pA vs. 4 pA), which introduce more significant DC errors and make it unsuitable for high-precision or high-impedance signal acquisition scenarios. Additionally, the TL072CDT has weaker output drive capability (40 mA vs. 80 mA), potentially limiting its performance when driving heavy loads. It does, however, carry AEC-Q100 automotive-grade qualification, making it better suited for automotive or high-reliability environments. In summary, substitution is acceptable if the application prioritizes high-speed AC signal processing with relaxed DC accuracy requirements. If high precision, low offset, or strong output drive is essential, the original part should be retained.