SNIS249
May 2025
LM50-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics: LM50-Q1
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
LM50-Q1 Transfer Function
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Full-Range Centigrade Temperature Sensor
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Capacitive Loads
8.2.1.3
Application Curve
8.3
System Examples
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
8.5.3
Thermal Considerations
9
Device and Documentation Support
9.1
Documentation Support
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
1
Features
AEC-Q100 Qualified for automotive applications
LM50-Q1 (Grade-1): –40°C to +125°C operating temperature
Device HBM ESD classification level 2
Functional safety-capable
Documentation available to aid functional safety system design
Industry-Standard Sensor Gain/Offset:
10mV/°C, 500mV at 0°C
LM50-Q1 Temperature Accuracy:
±3°C (Max) at 25°C
±4°C (Max) over −40°C to 125°C
Operating supply range: 4.5V to 10V
Quiescent Current (Typ): 95μA
Available in Standard SOT23-3 package
Nonlinearity: ±0.8°C (Max)
DC Output Impedance: 2kΩ/4kΩ (typ/Max)
Enables driving large capacitive loads
UL Recognized Component