1. Substitution Assessment for ISL28213FBZ-T13 Based on a comparison of key parameters, the ISL28213FBZ-T13 is not a viable direct replacement for the TSV6392IDT. The primary differences are as follows: its input bias current (3 pA) is slightly higher than that of the original part (1 pA). More critically, its slew rate (1 V/µs) and gain-bandwidth product (2 MHz) are both marginally lower than the original's specifications (1.1 V/µs, 2.4 MHz), resulting in slightly weaker dynamic response. Furthermore, its output drive capability (22 mA) is significantly lower than the original's (72 mA), making it unsuitable for driving equivalent heavy loads. Additionally, its quiescent current (90 µA per dual channel) is nearly double that of the original part (50 µA total), leading to higher power consumption. Although it offers superior precision in input offset voltage (500 µV vs. 3 mV), the combined drawbacks in dynamic performance, output capability, and power dissipation preclude it from being an ideal substitute. 2. Substitution Assessment for ISL28214FBZ-T13 The ISL28214FBZ-T13 shows potential as a replacement in terms of performance and precision, but its suitability depends on a careful evaluation of system requirements for power consumption and output drive capability. Its main advantages are a significantly better input offset voltage (500 µV) compared to the original part (3 mV), and substantially stronger dynamic performance (slew rate 2.5 V/µs, gain-bandwidth product 5 MHz), making it suitable for higher-speed or wider-bandwidth signal processing. However, its quiescent current (300 µA per dual channel) is six times that of the original part (50 µA total), which may be unacceptable in battery-powered or other low-power applications. Also, its output current (31 mA) remains considerably lower than the original's (72 mA), providing insufficient drive for heavy loads. If the system has relaxed requirements for power dissipation and output drive but demands higher precision and speed, this device could be considered as a substitute.