1. AS358AMTR-G1 Substitution Conclusion The AS358AMTR-G1 cannot directly replace the TLE2072CD due to fundamental differences in core architecture and key performance parameters. The TLE2072CD is a J‑FET input operational amplifier featuring extremely low input bias current (1 pA) and low input offset voltage (300 µV), making it suitable for applications sensitive to input errors such as high‑impedance sensor signal conditioning and precision integrator circuits. In contrast, the AS358AMTR‑G1 is a general‑purpose bipolar op‑amp with an input bias current (20 nA) four orders of magnitude higher and a significantly larger offset voltage (2 mV), which would introduce non‑negligible errors in high‑precision circuits. Furthermore, the TLE2072CD supports high‑speed signal processing with its high slew rate (45 V/µs) and gain‑bandwidth product (10 MHz), whereas the AS358AMTR‑G1 does not specify a slew rate and is generally intended for low‑frequency, general‑purpose applications. Although both devices share compatible supply voltage ranges and packages, and the AS358 offers lower power consumption, the substantial gap in input characteristics and speed would severely compromise performance stability in circuits originally designed for precision or high‑speed operation with the original part.