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  • LMT86 2.2V, SC70/TO-92/TO-92S, Analog Temperature Sensor

    • SNIS169F March   2013  – May 2024 LMT86

      PRODUCTION DATA  

  • CONTENTS
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  • LMT86 2.2V, SC70/TO-92/TO-92S, Analog Temperature Sensor
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 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 Accuracy Characteristics
    6. 6.6 Electrical Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 LMT86 Transfer Function
    4. 7.4 Device Functional Modes
      1. 7.4.1 Mounting and Thermal Conductivity
      2. 7.4.2 Output Noise Considerations
      3. 7.4.3 Capacitive Loads
      4. 7.4.4 Output Voltage Shift
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Connection to an ADC
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Conserving Power Dissipation With Shutdown
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curves
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information
  15. IMPORTANT NOTICE
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Data Sheet

LMT86 2.2V, SC70/TO-92/TO-92S,
Analog Temperature Sensor

1 Features

  • LMT86LPG (TO-92S package) has a Fast Thermal Time Constant, 10s Typical (1.2m/s Airflow)
  • Very accurate: ±0.4°C typical
  • Low 2.2V operation
  • Average sensor gain of –10.9mV/°C
  • Low 5.4µA quiescent current
  • Wide temperature range: –50°C to 150°C
  • Output is short-circuit protected
  • Push-pull output with ±50µA drive capability
  • Footprint compatible with the industry-standard LM20/19 and LM35 temperature sensors
  • Cost-effective alternative to thermistors

2 Applications

  • Infotainment and cluster
  • Powertrain systems
  • Smoke and heat detectors
  • Drones
  • Appliances

3 Description

The LMT86 are precision CMOS temperature sensors with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage that is inversely proportional to temperature. The 2.2V supply voltage operation, 5.4μA quiescent current, and 0.7ms power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered applications such as drones and sensor nodes. The LMT86LPG through-hole TO-92S package fast thermal time constant supports off-board time-temperature sensitive applications such as smoke and heat detectors. The accuracy over the wide operating range and other features make the LMT86 an excellent alternative to thermistors.

For devices with different average sensor gains and comparable accuracy, refer to Comparable Alternative Devices for alternative devices in the LMT8x family.

Device Information(1)
PART NUMBERPACKAGEBODY SIZE (NOM)
LMT86SOT (5)2.00mm × 1.25mm
TO-92 (3)4.30mm × 3.50mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
LMT86 Thermal Time Constant
* Fast thermal response NTC
Thermal Time Constant
LMT86 Output Voltage vs TemperatureOutput Voltage vs Temperature

 

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