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LM95221CIMM from NSC,National Semiconductor

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LM95221CIMM

Manufacturer: NSC

Dual Remote Diode Digital Temperature Sensor with SMBus Interface

Partnumber Manufacturer Quantity Availability
LM95221CIMM NSC 1600 In Stock

Description and Introduction

Dual Remote Diode Digital Temperature Sensor with SMBus Interface The LM95221CIMM is a digital temperature sensor manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NSC)  
- **Package:** 8-Pin VSSOP (MSOP)  
- **Interface Type:** SMBus/I²C  
- **Operating Voltage:** 3.0V to 3.6V  
- **Temperature Range:**  
  - Local Sensor: -40°C to +125°C  
  - Remote Sensor: -64°C to +191°C  
- **Accuracy:**  
  - Local Sensor: ±1.5°C (max)  
  - Remote Sensor: ±1°C (max)  
- **Resolution:** 11-bit (0.125°C)  
- **Features:**  
  - Monitors both local and remote diode-connected transistors  
  - Programmable alert thresholds  
  - SMBus/I²C-compatible interface  
  - Low power consumption  

### **Descriptions and Features:**  
- The LM95221CIMM is a high-accuracy digital temperature sensor designed for monitoring processor and system temperatures.  
- It supports remote sensing using an external diode (e.g., CPU diode).  
- The device includes programmable temperature limits with alert functionality.  
- It is commonly used in PCs, servers, and embedded systems for thermal management.  
- The SMBus/I²C interface allows easy integration with microcontrollers.  

This information is based strictly on the available specifications and features of the LM95221CIMM from NSC.

Partnumber Manufacturer Quantity Availability
LM95221CIMM NS 1000 In Stock

Description and Introduction

Dual Remote Diode Digital Temperature Sensor with SMBus Interface The LM95221CIMM is a digital temperature sensor manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** LM95221CIMM  
- **Package:** 8-Pin VSSOP (MSOP)  
- **Operating Voltage:** 3.0V to 3.6V  
- **Temperature Range:**  
  - Local Sensor: -40°C to +125°C  
  - Remote Sensor: -64°C to +191°C  
- **Accuracy:**  
  - Local Sensor: ±1.5°C (max)  
  - Remote Sensor: ±1°C (max) for +60°C to +100°C  
- **Resolution:** 0.125°C (for remote diode)  
- **Interface:** SMBus 2.0 compatible  
- **Remote Diode Support:** Yes (supports 2N3904/2N3906 or diode-connected transistors)  
- **Conversion Time:** 10ms (typical)  

### **Descriptions:**  
The LM95221CIMM is a high-accuracy digital temperature sensor with local and remote sensing capabilities. It monitors its own temperature as well as an external diode-connected transistor (remote sensor). It communicates via the SMBus interface and provides programmable alert thresholds for temperature monitoring applications.  

### **Features:**  
- Dual temperature sensor (local and remote)  
- Programmable alert thresholds with hysteresis  
- SMBus 2.0 compatible interface  
- Supports up to two remote diode sensors (one at a time)  
- Low power consumption  
- High accuracy over a wide temperature range  
- Small form factor (VSSOP-8 package)  

This information is based solely on the LM95221CIMM datasheet and manufacturer specifications.

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