2. TL072ACDT Substitution Conclusion Substituting RC4560ID with TL072ACDT is feasible to some extent, but careful evaluation of application requirements is necessary due to certain technical differences that may affect performance. TL072ACDT offers a higher slew rate (16 V/µs vs. 5.5 V/µs), providing superior high-frequency transient response suitable for fast-changing audio signals. However, its gain-bandwidth product is lower (4 MHz vs. 15 MHz), indicating reduced overall bandwidth that may limit high-frequency extension in high-gain configurations, potentially affecting fidelity. The input offset voltage is higher (3 mV vs. 500 µV), implying reduced DC accuracy; in circuits requiring precise amplification, an offset adjustment circuit may be needed. Output current is slightly lower (40 mA vs. 50 mA), resulting in moderately weaker drive capability, though it is generally sufficient for typical audio loads such as headphones or preamplifier stages. Additionally, TL072ACDT features very low input bias current (20 pA), improving input impedance and compatibility with high-impedance sources. It also has lower power consumption (1.4 mA vs. 4.3 mA) and is qualified to automotive-grade standards (AEC-Q100), enhancing reliability in harsh environments. In summary, if the application prioritizes high-speed response, low power consumption, and ruggedness, and can tolerate slight reductions in bandwidth and DC offset performance, TL072ACDT can be considered as an alternative—provided pin compatibility and circuit adaptation are verified.