SBOS876B September   2017  – February 2020 TMP461-SP

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
    1.     Simplified Block Diagram
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Two-Wire Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Temperature Measurement Data
        1. 7.3.1.1 Standard Binary to Decimal Temperature Data Calculation Example
        2. 7.3.1.2 Standard Decimal to Binary Temperature Data Calculation Example
      2. 7.3.2 Series Resistance Cancellation
      3. 7.3.3 Differential Input Capacitance
      4. 7.3.4 Filtering
      5. 7.3.5 Sensor Fault
      6. 7.3.6 ALERT and THERM Functions
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode (SD)
    5. 7.5 Programming
      1. 7.5.1 Serial Interface
        1. 7.5.1.1 Bus Overview
        2. 7.5.1.2 Bus Definitions
        3. 7.5.1.3 Serial Bus Address
        4. 7.5.1.4 Read and Write Operations
        5. 7.5.1.5 Timeout Function
        6. 7.5.1.6 High-Speed Mode
      2. 7.5.2 General-Call Reset
    6. 7.6 Register Map
      1. 7.6.1 Register Information
        1. 7.6.1.1  Pointer Register
        2. 7.6.1.2  Local and Remote Temperature Registers
        3. 7.6.1.3  Status Register
        4. 7.6.1.4  Configuration Register
        5. 7.6.1.5  Conversion Rate Register
        6. 7.6.1.6  One-Shot Start Register
        7. 7.6.1.7  Channel Enable Register
        8. 7.6.1.8  Consecutive ALERT Register
        9. 7.6.1.9  η-Factor Correction Register
        10. 7.6.1.10 Remote Temperature Offset Register
        11. 7.6.1.11 Manufacturer Identification Register
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Radiation Environments
      1. 8.3.1 Single Event Latch-Up
      2. 8.3.2 Single Event Functional Interrupt
      3. 8.3.3 Single Event Upset
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

7.6 Register Map

Table 5. Register Map

POINTER READ (HEX) POINTER WRITE (HEX) POR (HEX) BIT DESCRIPTION REGISTER DESCRIPTION
7 6 5 4 3 2 1 0
00 N/A 00 LT11 LT10 LT9 LT8 LT7 LT6 LT5 LT4 Local Temperature Register (high byte)
01 N/A 00 RT11 RT10 RT9 RT8 RT7 RT6 RT5 RT4 Remote Temperature Register (high byte)
02 N/A N/A BUSY LHIGH LLOW RHIGH RLOW OPEN RTHRM LTHRM Status Register
03 09 00 MASK1 SD ALERT/THERM2 0 0 RANGE 0 0 Configuration Register
04 0A 08 0 0 0 0 CR3 CR2 CR1 CR0 Conversion Rate Register
05 0B 7F LTHL11 LTHL10 LTHL9 LTHL8 LTHL7 LTHL6 LTHL5 LTHL4 Local Temperature High Limit Register
06 0C 80 LTLL11 LTLL10 LTLL9 LTLL8 LTLL7 LTLL6 LTLL5 LTLL4 Local Temperature Low Limit Register
07 0D 7F RTHL11 RTHL10 RTHL9 RTHL8 RTHL7 RTHL6 RTHL5 RTHL4 Remote Temperature High Limit Register (high byte)
08 0E 80 RTLL11 RTLL10 RTLL9 RTLL8 RTLL7 RTLL6 RTLL5 RTLL4 Remote Temperature Low Limit Register (high byte)
N/A 0F N/A X X X X X X X X One-Shot Start Register(1)
10 N/A 00 RT3 RT2 RT1 RT0 0 0 0 0 Remote Temperature Register (low byte)
11 11 00 RTOS11 RTOS10 RTOS9 RTOS8 RTOS7 RTOS6 RTOS5 RTOS4 Remote Temperature Offset Register (high byte)
12 12 00 RTOS3 RTOS2 RTOS1 RTOS0 0 0 0 0 Remote Temperature Offset Register (low byte)
13 13 F0 RTHL3 RTHL2 RTHL1 RTHL0 0 0 0 0 Remote Temperature High Limit Register (low byte)
14 14 00 RTLL3 RTLL2 RTLL1 RTLL0 0 0 0 0 Remote Temperature Low Limit Register (low byte)
15 N/A 00 LT3 LT2 LT1 LT0 0 0 0 0 Local Temperature Register (low byte)
16 16 03 0 0 0 0 0 0 REN LEN Channel Enable Register
19 19 7F RTH11 RTH10 RTH9 RTH8 RTH7 RTH6 RTH5 RTH4 Remote Temperature THERM Limit Register
20 20 7F LTH11 LTH10 LTH9 LTH8 LTH7 LTH6 LTH5 LTH4 Local Temperature THERM Limit Register
21 21 0A HYS11 HYS10 HYS9 HYS8 HYS7 HYS6 HYS5 HYS4 THERM Hysteresis Register
22 22 01 0 0 0 0 CONAL2 CONAL1 CONAL0 1 Consecutive ALERT Register
23 23 00 NC7 NC6 NC5 NC4 NC3 NC2 NC1 NC0 η-Factor Correction Register
24 24 00 0 0 0 0 0 0 DF1 DF0 Digital Filter Control Register
FE N/A 55 0 1 0 1 0 1 0 1 Manufacturer Identification Register
(1) X = undefined. Writing any value to this register initiates a one-shot start; see the One-Shot Conversion section.