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LM75B from NXP,NXP Semiconductors

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LM75B

Manufacturer: NXP

Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface

Partnumber Manufacturer Quantity Availability
LM75B NXP 1400 In Stock

Description and Introduction

Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface The LM75B is a digital temperature sensor and thermal watchdog from NXP. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Temperature Range:** -55°C to +125°C  
- **Accuracy:** ±2°C (from -25°C to +100°C)  
- **Resolution:** 0.125°C (11-bit ADC)  
- **Supply Voltage:** 2.8V to 5.5V  
- **Current Consumption:**  
  - Operating: 500 µA (typical)  
  - Shutdown: 3.5 µA (typical)  
- **Interface:** I²C-bus (SMBus compatible)  
- **Address Pins:** 3 (supports up to 8 addresses)  
- **Package Options:** SO8, TSSOP8  

### **Descriptions:**
- The LM75B is a digital temperature sensor with an I²C interface, providing accurate temperature readings.  
- It includes an overtemperature detection function with a programmable threshold and hysteresis.  
- The sensor is designed for system thermal management in various applications.  

### **Features:**
- **Programmable Temperature Threshold and Hysteresis**  
- **Overtemperature Shutdown Output (OS)**  
- **Low Power Consumption**  
- **Small Form Factor (8-pin package)**  
- **Wide Operating Voltage Range**  
- **I²C-bus/SMBus Interface**  
- **Power-up Default State for Easy Configuration**  

The LM75B is commonly used in PCs, industrial systems, and consumer electronics for thermal monitoring and protection.

Application Scenarios & Design Considerations

Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface
Partnumber Manufacturer Quantity Availability
LM75B NS 25 In Stock

Description and Introduction

Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface The LM75B is a digital temperature sensor and thermal watchdog manufactured by NXP Semiconductors (formerly Philips Semiconductors). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Temperature Range:** -55°C to +125°C  
- **Accuracy:** ±2°C (max) from -25°C to +100°C  
- **Resolution:** 0.125°C (11-bit ADC)  
- **Supply Voltage:** 2.8V to 5.5V  
- **Current Consumption:**  
  - Operating: 500 µA (typical)  
  - Shutdown: 3.5 µA (typical)  
- **Interface:** I²C-bus (SMBus compatible)  
- **Address Pins:** 3 (supports up to 8 devices on the same bus)  
- **Output:** Overtemperature Shutdown Output (OS) with programmable hysteresis  

### **Descriptions:**  
The LM75B is a temperature-to-digital converter with an integrated delta-sigma ADC. It provides accurate temperature readings and includes a programmable overtemperature detection output (OS) that can trigger an interrupt or system shutdown. The device is commonly used in system thermal management, industrial controls, and consumer electronics.  

### **Features:**  
- **Digital Output:** I²C-bus interface (up to 400 kHz)  
- **Programmable Threshold & Hysteresis:** Allows user-defined temperature limits  
- **Low Power Consumption:** Suitable for battery-powered applications  
- **Small Package Options:** SO8, TSSOP8, and HVSON8  
- **SMBus Alert Function:** Supports system management bus alert response  
- **Power-up Default State:** Ensures safe operation upon initialization  

The LM75B is designed for ease of integration and reliable thermal monitoring in various electronic systems.

Application Scenarios & Design Considerations

Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface

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