1. TSV358IST Substitution Conclusion The TSV358IST is generally unsuitable as a direct replacement for the AD8532ARMZ-R2, unless the application has very low dynamic performance requirements and prioritizes DC accuracy and automotive-grade qualification. Key differences include: the TSV358IST’s slew rate (0.6 V/µs) is only 12% of the AD8532’s, and its gain bandwidth product (1.4 MHz) is less than half, meaning it lacks the capability to handle fast signals or high-frequency responses, potentially leading to waveform distortion or sluggish response. Additionally, its input bias current (70 nA) is four orders of magnitude higher than that of the AD8532 (5 pA), which would introduce significantly greater DC error in high-impedance source applications. However, the TSV358IST carries AEC-Q100 automotive qualification and offers a much lower input offset voltage (200 µV) compared to the AD8532 (25 mV), which may provide specific value in low-frequency, automotive-oriented applications where reliability and DC precision are critical.