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LM77CIMX-3/NOPB from NSC,National Semiconductor

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LM77CIMX-3/NOPB

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM77CIMX-3/NOPB,LM77CIMX3NOPB NSC 5200 In Stock

Description and Introduction

?1.5?C Temperature Sensor with Alert Function and I2C/SMBus Interface 8-SOIC -55 to 125 The **LM77CIMX-3/NOPB** is a digital temperature sensor and thermal watchdog manufactured by **National Semiconductor (NSC)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NSC)  
- **Type:** Digital Temperature Sensor & Thermal Watchdog  
- **Operating Voltage Range:** 3.0V to 3.6V  
- **Temperature Range:** -55°C to +125°C  
- **Accuracy:** ±2°C (max) from -25°C to +100°C  
- **Resolution:** 0.125°C (9-bit to 12-bit selectable)  
- **Interface:** 2-Wire SMBus/I²C-Compatible  
- **Package:** 8-Pin SOIC  
- **Hysteresis:** Programmable (1°C to 10°C)  
- **Power Consumption:** Low power (typ. 250µA operating current)  
- **Shutdown Mode:** Yes (reduces power consumption to 5µA max)  

### **Descriptions:**  
- The LM77 is a digital temperature sensor with an integrated thermal watchdog.  
- It communicates via a 2-wire serial interface (SMBus/I²C-compatible).  
- The device provides overtemperature shutdown functionality with programmable hysteresis.  
- It includes a dedicated overtemperature interrupt output (T_CRIT_A) for system protection.  

### **Features:**  
- **Digital Output:** Provides temperature readings via I²C/SMBus.  
- **Programmable Hysteresis:** Allows flexible thermal management.  
- **Overtemperature Alert:** T_CRIT_A pin signals critical temperature conditions.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Wide Temperature Range:** Operates from -55°C to +125°C.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

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

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