SLOS887G September   2014  – May 2025 TMP112-Q1 , TMP112D-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 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  Specifications for User-Calibrated Systems (TMP112-Q1 Only)
    7. 6.7  Timing Requirements
    8. 6.8  Timing Diagrams
    9. 6.9  Typical Characteristics (TMP112-Q1)
    10. 6.10 Typical Application (TMP112D-Q1)
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Digital Temperature Output
      2. 7.3.2 Serial Interface
        1. 7.3.2.1 Bus Overview
        2. 7.3.2.2 Serial Bus Address
        3. 7.3.2.3 Writing and Reading Operation
        4. 7.3.2.4 Target Mode Operation
          1. 7.3.2.4.1 Target Receiver Mode
          2. 7.3.2.4.2 Target Transmitter Mode
        5. 7.3.2.5 SMBus Alert Function
        6. 7.3.2.6 General Call
        7. 7.3.2.7 High-Speed (Hs) Mode
        8. 7.3.2.8 Timeout Function
        9. 7.3.2.9 Timing Diagrams
          1. 7.3.2.9.1 Two-Wire Timing Diagrams
    4. 7.4 Device Functional Modes
      1. 7.4.1 Continuous-Conversion Mode
      2. 7.4.2 Extended Mode (EM)
      3. 7.4.3 Shutdown Mode (SD)
      4. 7.4.4 One-Shot and Conversion Ready Mode (OS)
      5. 7.4.5 Thermostat Mode (TM)
        1. 7.4.5.1 Comparator Mode (TM = 0)
        2. 7.4.5.2 Interrupt Mode (TM = 1)
    5. 7.5 Programming
      1. 7.5.1 Pointer Register
      2. 7.5.2 Temperature Register
      3. 7.5.3 Configuration Register
        1. 7.5.3.1 Shutdown Mode (SD)
        2. 7.5.3.2 Thermostat Mode (TM)
        3. 7.5.3.3 Polarity (POL)
        4. 7.5.3.4 Fault Queue (F1/F0)
        5. 7.5.3.5 Converter Resolution (R1 and R0)
        6. 7.5.3.6 One-Shot (OS)
        7. 7.5.3.7 Extended Mode (EM)
        8. 7.5.3.8 Alert (AL)
        9. 7.5.3.9 Conversion Rate (CR)
      4. 7.5.4 High- and Low-Limit Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Calibrating for Improved Accuracy (TMP112-Q1 Only)
        1. 8.1.1.1 Example 1: Finding Worst-Case Accuracy From –15°C to 50°C
        2. 8.1.1.2 Example 2: Finding Worst-Case Accuracy From 25°C to 100°C
      2. 8.1.2 Using The Slope Specifications With a 1-Point Calibration (TMP112-Q1 Only)
        1. 8.1.2.1 Power Supply-Level Contribution to Accuracy
    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 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics

At TA = 25°C and V+ = 1.4V to 3.6V, unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TEMPERATURE SENSOR
TA Temperature range –40 125 °C
TERR Accuracy (temperature error) 25°C, V+ = 3.3V TMP112-Q1 -0.5 ±0.1 0.5 °C
0°C to 65°C, V+ = 3.3V -0.5 ±0.25 0.5
–40°C to 125°C -1 ±0.5 1
25°C TMP112D-Q1 ±0.1 °C
0°C to 65°C, V+ ≥ 1.5V -0.4 0.4
-25°C to 85°C, V+ ≥ 1.5V -0.5 0.5
–40°C to 125°C -0.7 0.7
PSR DC power-supply sensitivity –40°C to 125°C -0.25 0.0625 0.25 °C/V
TLTD Long-term drift 3000 hours at 125°C TMP112-Q1
TMP112D-Q1
(DRL package)		 < 1 LSB
TMP112D-Q1
(DPW package)		 < 2
TRES Resolution (LSB) 0.0625 °C
DIGITAL INPUT/OUTPUT
CIN Input capacitance 3 pF
VIH Input logic level 0.7×(V+) 3.6 V
VIL –0.5 0.3×(V+)
IIN Input current 0 < VIN < 3.6V TMP112-Q1 1 µA
TMP112D-Q1 0.1
VOL SDA Output logic low, SDA V+ > 2 V, IOL = 3mA 0 0.4 V
V+ < 2 V, IOL = 3mA 0 0.2×(V+)
VOL ALERT Output logic low, ALERT V+ > 2 V, IOL = 3mA 0 0.4
V+ < 2 V, IOL = 3mA 0 0.2×(V+)
TRES Resolution 12 Bits
tACT Conversion time TMP112-Q1 26 35 ms
TMP112D-Q1 10.25 11.25
tCONV Conversion modes
(Set by user)		 CR1 = 0, CR0 = 0 0.25 Conv/s
CR1 = 0, CR0 = 1 1
CR1 = 1, CR0 = 0 (default) 4
CR1 = 1, CR0 = 1 8
Timeout time  SCL = GND or SDA = GND 30 40 ms
POWER SUPPLY
Operating supply range 1.4 3.6 V
IDD_ACTIVE Supply current during active conversion Active Conversion, serial bus idle TMP112-Q1 40 µA
TMP112D-Q1 55
IDD_AVG Average current consumption Serial bus inactive, CR1 = 1, CR0 = 0 (default) TMP112-Q1 7 10 µA
Serial bus active, fSCL = 400kHz 15
Serial bus active, fSCL = 3.4MHz 85
Serial bus inactive, CR1 = 0, CR0 = 1 TMP112D-Q1 3.2 6 µA
Serial bus inactive, CR1 = 1, CR0 = 0 (default) 4.8 9
Serial bus active, fSCL = 400kHz 10
Serial bus active, fSCL = 1MHz 18
Serial bus active, fSCL = 2.85MHz 40
IDD_SD Shutdown current  Serial bus inactive TMP112-Q1 0.5 1 µA
Serial bus active, fSCL = 400kHz 10
Serial bus active, fSCL = 3.4MHz 80
Serial bus inactive TMP112D-Q1 0.15 0.35 µA
Serial bus active, fSCL = 400kHz 5.5
Serial bus active, fSCL = 1MHz 13
Serial bus active, fSCL = 2.85MHz 35
IDD_SB Standby current Continuous conversion mode Serial bus idle TMP112-Q1 2.2 µA
TMP112D-Q1 2.6