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MAX6648MUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX6648MUA

Manufacturer: MAXIM, MAX

Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms

Partnumber Manufacturer Quantity Availability
MAX6648MUA MAXIM, MAX 4405 In Stock

Description and Introduction

Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms The MAX6648MUA is a high-accuracy, dual-channel temperature sensor manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX6648MUA  
- **Package:** 8-pin μMAX  
- **Operating Voltage Range:** 3.0V to 5.5V  
- **Temperature Measurement Range:** -55°C to +125°C (Remote Diode), -40°C to +125°C (Local)  
- **Accuracy:** ±1°C (Local), ±1°C (Remote Diode, +60°C to +100°C)  
- **Resolution:** 0.125°C  
- **Interface:** SMBus/I²C-Compatible  
- **Supply Current:** 300μA (Typical)  
- **Remote Diode Fault Detection:** Yes  
- **ALERT Output:** Programmable Temperature Threshold  

### **Descriptions:**
The MAX6648MUA is a precision dual-channel temperature sensor that monitors both its own die temperature (local) and an external diode-connected transistor (remote). It is designed for high-accuracy thermal management in applications such as CPUs, GPUs, and power supplies. The device communicates via an SMBus/I²C interface and includes programmable temperature thresholds with an ALERT output for overtemperature warnings.

### **Features:**
- **Dual-Channel Temperature Sensing:** Measures local and remote temperatures.  
- **High Accuracy:** ±1°C accuracy for both channels (within specified ranges).  
- **Low Power Consumption:** 300μA typical supply current.  
- **Small Form Factor:** 8-pin μMAX package.  
- **Programmable ALERT Output:** Configurable overtemperature warning.  
- **SMBus/I²C-Compatible Interface:** Supports standard communication protocols.  
- **Wide Operating Voltage:** 3.0V to 5.5V supply range.  
- **Remote Diode Fault Detection:** Identifies open or shorted remote sensor conditions.  

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

Application Scenarios & Design Considerations

Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms

Alternative Part Number

  • ADT7461ARMZ --: Remote/local temperature sensor with similar I2C interface and accuracy, pin-compatible in many designs and widely available.
  • LM95235CIMM --: Remote diode temperature sensor with comparable accuracy and I2C/SMBus interface, suitable drop-in for thermal monitoring.
  • EMC1403-A-AIZL-TR --: Multi-channel temperature sensor with I2C interface and similar accuracy, a practical alternative for board-level thermal sensing.
  • EMC1403-A-AIZL --: Multi-channel temperature sensor with SMBus interface and similar measurement range, good functional substitute for board-level thermal sensing.
  • EMC1412-A-ACZL-TR --: Low-cost remote temperature sensor with I2C interface and similar measurement range, good second-source option for thermal monitoring.

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