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MAX6647MUA from MAX,MAXIM - Dallas Semiconductor

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MAX6647MUA

Manufacturer: MAX

+145C Precision SMBus-Compatible Remote/ Local Sensors with Overtemperature Alarms

Partnumber Manufacturer Quantity Availability
MAX6647MUA MAX 379 In Stock

Description and Introduction

+145C Precision SMBus-Compatible Remote/ Local Sensors with Overtemperature Alarms The MAX6647MUA is a high-accuracy, dual-channel temperature sensor manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Manufacturer:**  
- **MAX** (Maxim Integrated, now part of Analog Devices)

### **Specifications:**  
- **Temperature Measurement Range:**  
  - Local Temperature: -55°C to +125°C  
  - Remote Temperature: -55°C to +150°C  
- **Accuracy:**  
  - ±1°C (Local, +60°C to +100°C)  
  - ±1°C (Remote, +60°C to +100°C)  
  - ±2°C (Remote, -55°C to +125°C)  
- **Resolution:** 0.125°C  
- **Supply Voltage:** 3.0V to 5.5V  
- **Current Consumption:** 200µA (typical)  
- **Interface:** SMBus/I²C-Compatible (2-wire serial)  
- **Package:** 8-pin µMAX (3mm x 3mm)  

### **Descriptions:**  
- The MAX6647MUA is a precision dual-channel temperature sensor that measures both its own die temperature (local) and an external diode-connected transistor (remote).  
- It is designed for monitoring temperatures in processors, FPGAs, GPUs, and other high-performance ICs.  
- The device includes an integrated series resistance cancellation feature to improve accuracy in noisy environments.  

### **Features:**  
- **Dual-Channel Temperature Monitoring:** Measures local and remote temperatures simultaneously.  
- **High Accuracy:** ±1°C accuracy for both channels in critical ranges.  
- **Programmable Alert Thresholds:** Overtemperature alarms with user-defined limits.  
- **Series Resistance Cancellation:** Compensates for PCB trace resistance for better remote sensing accuracy.  
- **Low Power Consumption:** 200µA typical operating current.  
- **Small Form Factor:** 8-pin µMAX package for space-constrained applications.  
- **Wide Supply Range:** Operates from 3.0V to 5.5V.  

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

Application Scenarios & Design Considerations

+145C Precision SMBus-Compatible Remote/ Local Sensors with Overtemperature Alarms
Partnumber Manufacturer Quantity Availability
MAX6647MUA MAXIM 196 In Stock

Description and Introduction

+145C Precision SMBus-Compatible Remote/ Local Sensors with Overtemperature Alarms The MAX6647MUA is a temperature sensor and fan-speed controller manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** 3V to 5.5V  
- **Temperature Measurement Range:** -40°C to +125°C  
- **Accuracy:** ±1°C (from +60°C to +100°C)  
- **Temperature Resolution:** 1°C  
- **Fan Control Output:** PWM (Pulse Width Modulation)  
- **Interface:** SMBus/I²C-Compatible  
- **Package:** 8-Pin µMAX  

### **Descriptions:**  
The MAX6647MUA is designed for monitoring the temperature of a remote thermal diode (e.g., CPU) and controlling fan speed based on the measured temperature. It integrates a temperature sensor with a fan-speed controller, optimizing cooling efficiency while minimizing noise.

### **Features:**  
- **Remote and Local Temperature Sensing:** Measures the temperature of an external diode and its own die.  
- **Programmable Fan Control:** Adjusts fan speed via PWM output based on temperature thresholds.  
- **SMBus/I²C Interface:** Allows communication with a host system for configuration and monitoring.  
- **Low Power Consumption:** Operates efficiently within a wide voltage range.  
- **Thermal Alarm Output:** Provides an alert when temperature exceeds a set threshold.  
- **Small Form Factor:** 8-Pin µMAX package saves board space.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

+145C Precision SMBus-Compatible Remote/ Local Sensors with Overtemperature Alarms

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