Original Part
Temperature Sensor Digital, Local/Remote -40°C ~ 90°C 10 b (Local), 12 b (Remote) 8-VSSOP

Alternative Part
Temperature Sensor Digital, Local/Remote 0°C ~ 100°C 7 b 8-MSOP

Substitution Feasibility Conclusion
The ADM1032ARMZ-REEL can only serve as a limited substitute for the LM95235EIMM/NOPB, suitable solely for low-to-mid-range applications where temperature measurement accuracy, resolution, and low-temperature operation are not critical. The LM95235 is a significantly superior device in terms of key performance parameters, and a direct replacement may lead to degraded system performance.
Comparison Points
1. Operating & Sensing Temperature Range: The LM95235 supports both local/remote sensing and a full chip operating range down to -40°C, whereas the ADM1032 has a lower limit of 0°C. The ADM1032 cannot measure or operate reliably in sub-zero environments, restricting its use in industrial, automotive, or any applications that may encounter low ambient temperatures.
2. Resolution & Quantization Error: The LM95235 offers 10-bit (local) and 12-bit (remote) resolution, substantially higher than the 7-bit resolution of the ADM1032. Over the same 0-100°C range, the ADM1032’s minimum resolvable temperature step is approximately 0.8°C, compared to 0.025°C for the LM95235’s remote channel. Higher resolution enables detection of finer temperature gradients, which is critical for systems requiring precise thermal monitoring or fast response, such as CPU dynamic thermal management.
3. Accuracy & Error: The LM95235 achieves a maximum accuracy of ±2°C within the 25°C–100°C range, with specified accuracy variations across different temperature intervals. The ADM1032 is rated at ±3°C without segmented specifications. This indicates that the LM95235 provides higher absolute temperature measurement accuracy in the core operating region, and the manufacturer supplies a more detailed error part, facilitating more accurate thermal design margin calculations.
4. Supply Voltage Range & Integrated Features: The ADM1032 has a wider supply range (3V–5.5V), offering better compatibility. However, the LM95235 integrates two functions not available on the ADM1032: One-Shot conversion and Shutdown Mode. In applications requiring very low power intermittent measurements, the LM95235 can execute a single conversion on command and then enter shutdown, enabling a more efficient power management strategy.
Analysis ID: 2716-1E5C000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com


