SNIS189D
June 2015 – June 2018
LMT01
PRODUCTION DATA.
1
Features
2
Applications
LMT01 Accuracy
3
Description
2-Pin IC Temperature Sensor
4
Revision History
5
Pin Configuration and Functions
Pin 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
6.6
Electrical Characteristics - TO-92/LPG Pulse Count to Temperature LUT
6.7
Electrical Characteristics - WSON/DQX Pulse Count to Temperature LUT
6.8
Switching Characteristics
6.9
Timing Diagram
6.10
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Output Interface
7.3.2
Output Transfer Function
7.3.3
Current Output Conversion to Voltage
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Mounting, Temperature Conductivity, and Self-Heating
8.2
Typical Application
8.2.1
3.3-V System VDD MSP430 Interface - Using Comparator Input
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Setting the MSP430 Threshold and Hysteresis
8.2.1.3
Application Curves
8.3
System Examples
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DQX|2
MPSS075E
LPG|2
MPBC004A
Thermal pad, mechanical data (Package|Pins)
DQX|2
QFND605
Orderable Information
snis189d_oa
snis189d_pm
1
Features
High Accuracy Over –50°C to 150°C Wide Temperature Range
–20°C to 90°C: ±0.5°C (Maximum)
90°C to 150°C: ±0.625°C (Maximum)
–50°C to –20°C: ±0.7°C (Maximum)
Precision Digital Temperature Measurement Simplified in a 2-Pin Package
Pulse Count Current Loop Easily Read by Processor.
Number of Output Pulses is
Proportional to Temperature With 0.0625°C Resolution
Communication Frequency: 88 kHz
Conversion Current: 34 µA
Continuous
Conversion Plus Data-Transmission Period:
100 ms
Floating 2-V to 5.5-V (VP–VN) Supply Operation With Integrated EMI Immunity
Multiple 2-Pin Package Offerings: TO-92/LPG (3.1 mm × 4 mm × 1.5 mm) – ½ the Size of Traditional TO-92 and WSON With Wettable Flanks