Original Part
Alternative Part
1. ISL4485EIBZ Substitution Conclusion
The ISL4485EIBZ can serve as a substitute for the TL3695DR, provided the application's noise margin and data rate requirements are evaluated. Key differences include: a receiver hysteresis of 70 mV (compared to 120 mV for the original part), resulting in lower noise immunity for the ISL4485EIBZ, which may increase bit error risk in noisy environments; a data rate capability of 20 Mbps (the original part does not specify a rate), indicating the ISL4485EIBZ supports higher-speed communication—this is advantageous if the original application requires higher throughput, but irrelevant for low-speed uses; and a supply voltage range of 4.5V to 5.5V (versus 4.75V to 5.25V for the original), offering improved compatibility under supply voltage variations. In applications where noise is well-controlled and the supply voltage matches, the ISL4485EIBZ is a viable replacement, particularly where enhanced communication speed is beneficial.
2. SP483EEN-L/TR Substitution Conclusion
The feasibility of substituting the TL3695DR with the SP483EEN-L/TR is low, primarily due to significant differences in receiver hysteresis and data rate. The receiver hysteresis is only 20 mV (compared to 120 mV for the original part), giving the SP483EEN-L/TR very weak noise immunity; in noisy environments, it is susceptible to interference, which can lead to unstable or failed communication. The maximum data rate is 250 kbps (the original part does not specify a rate), classifying it as a low-speed device—if the original application demands higher speeds, this part cannot meet the requirement. The supply voltage range matches the original (4.75V to 5.25V), providing good supply compatibility. The SP483EEN-L/TR is suitable only for specific low-noise, low-speed applications. If substitution is considered, careful assessment of environmental noise and speed requirements is necessary; otherwise, additional filtering or speed reduction measures may be required.
Analysis ID: 021D-2EB8000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com