SNIS209C
July 2021 – June 2022
TMP126
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
SPI Interface Timing
7.7
Timing Diagram
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Descriptions
8.3.1
Temperature Limits
8.3.2
Slew Rate Warning
8.3.3
Cyclic Redundancy Check (CRC)
8.3.4
NIST Traceability
8.3.5
Fast Measurement Intervals With No Self-Heating Concerns
8.4
Device Functional Modes
8.4.1
Continuous Conversion Mode
8.4.2
Shutdown Mode
8.4.3
One-Shot Mode
8.4.4
Interrupt and Comparator Mode
8.4.4.1
Interrupt Mode
8.4.4.2
Comparator Mode
8.5
Programming
8.5.1
Temperature Data Format
8.5.2
Serial Bus Interface
8.5.2.1
Command Word Structure
8.5.2.1.1
Don't Care
8.5.2.1.2
CRC Enable
8.5.2.1.3
CRC Data Block Length
8.5.2.1.4
Auto Increment
8.5.2.1.5
Read/Write
8.5.2.1.6
Sub-Address
8.5.2.2
Communication
8.5.2.3
Write Operations
8.5.2.4
Read Operations
8.5.2.5
Cyclic Redundancy Check (CRC)
8.5.2.5.1
Cyclic Redundancy Check Implementation
8.6
Register Map
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DCK|6
MPDS114E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snis209c_oa
snis209c_pm
1
Features
High accuracy
TMP126:
±0.25°C (maximum) from 20°C to 30°C
±0.3°C (maximum) from –20°C to 85°C
±0.4°C (maximum) from –40°C to 125°C
±0.5°C (maximum) from –55°C to 150°C
±0.75°C (maximum) from 150°C to 175°C
TMP126N:
±0.8°C (maximum) from –40°C to 150°C
Fast measurement intervals with no self-heating concerns
Operating temperature range:
TMP126: –55°C to 175°C
TMP126N: –40°C to 150°C
Supply range: 1.62 V to 5.5 V
Factory-calibrated
NIST traceability
Low power consumption
Programmable temperature alert limits
Temperature slew rate warning
Optional Cyclic Redundancy Check (CRC)
3-wire SPI interface