SBOSA41A May   2023  – September 2023 TMP4718

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Device Comparison
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 I2C Interface Timing
    7. 7.7 Timing Diagrams
    8. 7.8 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 1.2-V Logic Compatible Inputs
      2. 8.3.2 Series Resistance Cancellation
      3. 8.3.3 Device Initialization, Resistor Decoding, and Default Temperature Conversion
      4. 8.3.4 Adjustable Default T_CRIT High-Temperature Limit
      5. 8.3.5 ALERT and T_CRIT Output
      6. 8.3.6 Fault Queue
      7. 8.3.7 Filtering
      8. 8.3.8 One-Shot Conversions
    4. 8.4 Device Functional Modes
      1. 8.4.1 Interrupt and Comparator Mode
        1. 8.4.1.1 Interrupt Mode
        2. 8.4.1.2 Comparator Mode
        3. 8.4.1.3 T_CRIT Output
      2. 8.4.2 Shutdown Mode
      3. 8.4.3 Continuous Conversion Mode
    5. 8.5 Programming
      1. 8.5.1 Temperature Data Format
      2. 8.5.2 I2C and SMBus Interface
      3. 8.5.3 Device Address
      4. 8.5.4 Bus Transactions
        1. 8.5.4.1 Writes
        2. 8.5.4.2 Reads
      5. 8.5.5 SMBus Alert Mode
    6. 8.6 Register Map
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.5.1 Temperature Data Format

Local Temperature data is represented by a 8-bit, two's complement word with an LSB (Least Significant Bit) equal to 1°C.

Table 8-2 Local Temperature Data Format
TEMPERATURE DIGITAL OUTPUT
BINARY HEX
127°C 0111 1111 7F
25°C 0001 1001 19
2°C 0000 0010 02
1°C 0000 0001 01
0°C 0000 0000 00
−1°C 1111 1110 FE
−2°C 1111 1101 FD
−25°C 1110 0110 E6
−128°C 1000 0000 80

Remote Temperature data is represented by an 11-bit, two's complement word with an LSB (Least Significant Bit) equal to 0.125°C.

Table 8-3 Remote Temperature Data Format
TEMPERATURE DIGITAL OUTPUT
BINARY HEX
127.875°C 0111 1111 1110 0000 7FE0
25.750°C 0001 1001 1100 0000 19C0
2.250°C 0000 0010 0100 0000 0240
1.125°C 0000 0001 0010 0000 0120
0°C 0000 0000 0000 0000 0000
−1.125°C 1111 1110 1110 0000 FEE0
−2.250°C 1111 1101 1100 0000 FDC0
−25.750°C 1110 0110 0100 0000 E640
−127.875°C 1000 0000 0010 0000 8020