±0.75°C Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface-Wire Interface The LM89-1CIMMX is a digital temperature sensor manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Temperature Range:** -40°C to +125°C  
- **Accuracy:** ±3°C (max) from +60°C to +100°C  
- **Resolution:** 11 bits (0.125°C per LSB)  
- **Supply Voltage:** 3.0V to 3.6V  
- **Interface:** SMBus/I²C compatible  
- **Package:** 8-pin μSOP (MSOP)  

### **Descriptions:**  
- The LM89-1CIMMX is a high-precision digital temperature sensor with an integrated delta-sigma ADC.  
- It includes an SMBus/I²C interface for communication with a host controller.  
- It features programmable temperature limits with alert functionality.  

### **Features:**  
- Low-voltage operation (3.0V to 3.6V)  
- Programmable overtemperature shutdown  
- SMBus/I²C address selection (two possible addresses)  
- Power-saving shutdown mode  
- Factory-calibrated for accuracy  

This information is based on the manufacturer's datasheet.

±0.75°C Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface-Wire Interface