SNIS118I July   1999  – October 2025 LM50 , LM50HV

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Device Comparison
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics: LM50 (LM50B and LM50C)
    6. 6.6 Electrical Characteristics: LM50HV
    7. 6.7 Typical Characteristics (LM50B and LM50C)
    8. 6.8 Typical Characteristics (LM50HV)
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 LM50 and LM50HVTransfer Function
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Full-Range Centigrade Temperature Sensor
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Capacitive Bypass and Loads
          2. 8.2.1.2.2 LM50HV Self-heating
        3. 8.2.1.3 Application Curve
    3. 8.3 System Examples
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
      3. 8.5.3 Thermal Considerations
  10. Device and Documentation Support
    1. 9.1 Documentation Support
      1.      Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Typical Characteristics (LM50B and LM50C)

To generate these curves the device is mounted to a printed circuit board as shown in Figure 8-14 or Figure 8-15.

LM50 LM50HV Thermal Resistance Junction-to-Ambient (Legacy chip)Figure 6-1 Thermal Resistance Junction-to-Ambient (Legacy chip)
LM50 LM50HV Thermal Response in Still Air With Heat Sink (Legacy chip)
Figure 6-3 Thermal Response in Still Air With Heat Sink (Legacy chip)
LM50 LM50HV Thermal Response in Stirred Oil Bath With Heat Sink (0.5 inches × 0.5 inches PCB board)Figure 6-5 Thermal Response in Stirred Oil Bath With Heat Sink (0.5 inches × 0.5 inches PCB board)
LM50 LM50HV Thermal Response in Still Air Without a Heat Sink (Legacy chip)Figure 6-7 Thermal Response in Still Air Without a Heat Sink (Legacy chip)
LM50 LM50HV Start-Up Voltage vs Temperature (Legacy chip)Figure 6-9 Start-Up Voltage vs Temperature (Legacy chip)
LM50 LM50HV Quiescent Current vs Temperature (Legacy chip)
Figure 6-11 Quiescent Current vs Temperature (Legacy chip)
LM50 LM50HV Accuracy vs Temperature (Legacy chip)
Figure 6-13 Accuracy vs Temperature (Legacy chip)
LM50 LM50HV Noise Voltage (Legacy chip)Figure 6-15 Noise Voltage (Legacy chip)
LM50 LM50HV Supply Current vs Supply Voltage (Legacy chip)Figure 6-17 Supply Current vs Supply Voltage (Legacy chip)
LM50 LM50HV Start-Up Response (Legacy chip)Figure 6-19 Start-Up Response (Legacy chip)
LM50 LM50HV Thermal Time Constant (Legacy chip)Figure 6-2 Thermal Time Constant (Legacy chip)
LM50 LM50HV Thermal Response in Stirred Oil Bath With Heat Sink (Legacy chip)
Figure 6-4 Thermal Response in Stirred Oil Bath With Heat Sink (Legacy chip)
LM50 LM50HV Thermal Response in Stirred Oil Bath Without Heat SinkFigure 6-6 Thermal Response in Stirred Oil Bath Without Heat Sink
LM50 LM50HV Thermal Response in Still Air Without a Heat Sink (Both Legacy and New Chip in the New Test Setup)Figure 6-8 Thermal Response in Still Air Without a Heat Sink (Both Legacy and New Chip in the New Test Setup)
LM50 LM50HV Start-Up Voltage vs Temperature (New chip)Figure 6-10 Start-Up Voltage vs Temperature (New chip)
LM50 LM50HV Quiescent Current vs Temperature (New chip)Figure 6-12 Quiescent Current vs Temperature (New chip)
LM50 LM50HV Accuracy vs Temperature (New chip)Figure 6-14 Accuracy vs Temperature (New chip)
LM50 LM50HV Noise Voltage (New chip)Figure 6-16 Noise Voltage (New chip)
LM50 LM50HV Supply Current vs Supply Voltage (New chip)Figure 6-18 Supply Current vs Supply Voltage (New chip)
LM50 LM50HV Start-Up Response (New chip)Figure 6-20 Start-Up Response (New chip)