PowerWise® Design University

Basics of Thermal Management

Research Assignement Answers

   
Q:

Identify which has the analog output and which has the digital output.

A:
  • Analog: LM20               
  • Digital: LM70/74
  •    
    Q:

    Which temperature sensor is the most accurate?

    A:

    LM74 

       
    Q:

    What packages are the parts available in?

    A: 
  • LM20: microSMD, SC-70               
  • LM70: LLP, MINI SOIC               
  • LM74: microSMD, SOIC Narrow 
  •  
    Q: Which digital temperature sensor has the highest bit A/D Converter?
    A: LM74
     
    Q: Which temperature sensor has the lowest price?
    A:

    LM70 

     
    Q:

    Which temperature sensor has the lowest supply voltage range?

    A:

    LM20