SBOS473L
March 2009 – July 2024
TMP112
,
TMP112D
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
6.6
Timing Requirements
6.7
Timing Diagrams
6.8
Typical Characteristics (TMP112A/B/N)
6.9
Typical Characteristics (TMP112Dx)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
Digital Temperature Output
7.3.2
Serial Interface
7.3.2.1
Bus Overview
7.3.2.2
Serial Bus Address
7.3.2.3
Writing and Reading Operation
7.3.2.4
Target Mode Operations
7.3.2.4.1
Target Receiver Mode
7.3.2.4.2
Target Transmitter Mode
7.3.2.5
SMBus Alert Function
7.3.2.6
General Call
7.3.2.7
High-Speed (Hs) Mode
7.3.2.8
Timeout Function
7.3.2.9
Timing Diagrams
7.3.2.9.1
Two-Wire Timing Diagrams
7.4
Device Functional Modes
7.4.1
Continuous-Conversion Mode
7.4.2
Extended Mode (EM)
7.4.3
One-Shot/Conversion Ready Mode (OS)
7.4.4
Thermostat Mode (TM)
7.4.4.1
Comparator Mode (TM = 0)
7.4.4.2
Interrupt Mode (TM = 1)
7.5
Programming
7.5.1
Pointer Register
7.5.2
Temperature Register
7.5.3
Configuration Register
7.5.3.1
Shutdown Mode (SD)
7.5.3.2
Thermostat Mode (TM)
7.5.3.3
Polarity (POL)
7.5.3.4
Fault Queue (F1/F0)
7.5.3.5
Converter Resolution (R1 and R0)
7.5.3.6
One-Shot (OS)
7.5.3.7
Extended Mode (EM)
7.5.3.8
Alert (AL)
7.5.4
High- and Low-Limit Register
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
8.2.4
Power Supply Recommendations
8.3
Layout
8.3.1
Layout Guidelines
8.3.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
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
11.1
Tape and Reel Information
1
Features
TMP112A accuracy without calibration:
±0.5°C (maximum) from 0°C to +65°C (3.3V)
±1.0°C (maximum) from –40°C to +125°C
TMP112B accuracy without calibration:
±0.5°C (maximum) from 0°C to +65°C (1.8V)
±1.0°C (maximum) from –40°C to +125°C
TMP112N accuracy without calibration:
±1.0°C (maximum) from –40°C to +125°C
TMP112Dx accuracy without calibration:
±0.5°C (maximum) from -25°C to 85°C (V+ ≥ 1.5V)
±1.0°C (maximum) from –40°C to 125°C
SOT563 package (1.6mm × 1.6mm)
X2SON package (0.8mm × 0.8mm)
Low quiescent current:
7.5-μA active (maximum), 0.35-μA shutdown (maximum)
Supply range: 1.4V to 3.6V
Resolution: 12 Bits
Digital output: SMBus™, Two-Wire, and I
2
C interface compatibility
NIST traceable