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LM77CIMM-3/NOPB from NSC,National Semiconductor

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LM77CIMM-3/NOPB

Manufacturer: NSC

?1.5?C Temperature Sensor with Alert Function and I2C/SMBus Interface 8-VSSOP -55 to 125

Partnumber Manufacturer Quantity Availability
LM77CIMM-3/NOPB,LM77CIMM3NOPB NSC 2088 In Stock

Description and Introduction

?1.5?C Temperature Sensor with Alert Function and I2C/SMBus Interface 8-VSSOP -55 to 125 The LM77CIMM-3/NOPB is a digital temperature sensor and thermal watchdog manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Temperature Range:** -55°C to +125°C  
- **Accuracy:** ±1°C (typical) from +25°C to +100°C  
- **Resolution:** 0.125°C (9-bit digital output)  
- **Supply Voltage:** 3.0V to 3.6V  
- **Low Power Consumption:** 250µA (typical operating current)  
- **Interface:** SMBus/I²C-compatible (supports up to 400kHz)  
- **Package:** 8-pin MSOP (Mini Small Outline Package)  
- **Thermal Hysteresis:** Programmable (0°C, 1.5°C, 3°C, or 6°C)  
- **Alert Function:** Programmable temperature limits with interrupt output  

### **Descriptions and Features:**  
- Monitors and reports system temperature digitally.  
- Includes a thermal watchdog function for system protection.  
- Programmable upper and lower temperature limits with ALERT output.  
- Low standby current (1µA typical) in shutdown mode.  
- SMBus timeout feature prevents bus lockup.  
- Suitable for applications like thermal management in computers, industrial systems, and consumer electronics.  

This device is designed for precise temperature monitoring and thermal protection in various electronic systems.

Application Scenarios & Design Considerations

?1.5?C Temperature Sensor with Alert Function and I2C/SMBus Interface 8-VSSOP -55 to 125

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