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LM75A from PH

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LM75A

Manufacturer: PH

Digital temperature sensor and thermal Watchdog(tm)

Partnumber Manufacturer Quantity Availability
LM75A PH 100 In Stock

Description and Introduction

Digital temperature sensor and thermal Watchdog(tm) The LM75A is a digital temperature sensor and thermal watchdog manufactured by NXP Semiconductors (formerly Philips). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Temperature Range:** -55°C to +125°C  
- **Accuracy:** ±2°C (from -25°C to +100°C)  
- **Resolution:** 0.125°C (9 to 12-bit selectable)  
- **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)  
- **Package Options:** SO8, TSSOP8  

### **Descriptions:**
- The LM75A is a digital temperature sensor with an integrated delta-sigma analog-to-digital converter (ADC).  
- It provides an over-temperature detection output (OS) that can function as an interrupt or comparator.  
- The sensor includes a programmable temperature threshold and hysteresis setting.  

### **Features:**
- **I²C-bus Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Programmable Hysteresis:** Prevents frequent toggling of the OS output near the threshold.  
- **Power-Down Mode:** Reduces power consumption when not in use.  
- **Thermal Watchdog:** OS output can trigger system shutdown or alert.  
- **Small Form Factor:** Suitable for space-constrained applications.  
- **Wide Operating Voltage:** Compatible with 3.3V and 5V systems.  

This information is based on the official datasheet and technical documentation for the LM75A from NXP Semiconductors.

Application Scenarios & Design Considerations

Digital temperature sensor and thermal Watchdog(tm)

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