SNIS139F
February 2005 – January 2024
LM95231
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
Operating Ratings
5.3
Temperature-to-Digital Converter Characteristics
5.4
Logic Electrical Characteristics Digital DC Characteristics
5.5
Logic Electrical Characteristics SMBus Digital Switching Characteristics
5.6
Typical Performance Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Conversion Sequence
6.3.2
Power-On-Default States
6.3.3
SMBus Interface
6.3.4
Temperature Data Format
6.3.5
SMBDAT Open-Drain Output
6.3.6
Diode Fault Detection
6.3.7
Communicating with the LM95231
6.3.8
Serial Interface Reset
6.3.9
One-Shot Conversion
7
Registers
7.1
LM95231 Registers
7.2
Status Register
7.3
Configuration Register
7.4
Remote Diode Filter Control Register
7.5
Remote Diode Model Type Select Register
7.6
Remote TruTherm Mode Control
7.7
Local and Remote MSB and LSB Temperature Registers
7.7.1
Local Temperature MSB
7.7.2
Local Temperature LSB
7.7.3
Remote Temperature MSB
7.7.4
Remote Temperature LSB
7.8
Manufacturers ID Register
7.9
Die Revision Code Register
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Diode Non-Ideality
8.2.1.1
Diode Non-Ideality Factor Effect on Accuracy
8.2.1.2
Calculating Total System Accuracy
8.2.1.3
Compensating for Different Non-Ideality
9
Layout
9.1
PCB Layout for Minimizing Noise
10
Device and Documentation Support
10.1
Documentation Support
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snis139f_oa
snis139f_pm
8.2.1
Diode Non-Ideality