SBOSAJ7A October   2025  – December 2025 TMP4719

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 I2C Interface Timing
    7. 6.7 Timing Diagrams
    8. 6.8 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Device Initialization and Default Temperature Conversion
      2. 7.3.2 Series Resistance Cancellation
      3. 7.3.3 ALERT and T_CRIT Output
      4. 7.3.4 1.2V Logic Compatible Inputs
      5. 7.3.5 Digital Filter
      6. 7.3.6 One-Shot Conversions
    4. 7.4 Device Functional Modes
      1. 7.4.1 Interrupt and Comparator Mode
        1. 7.4.1.1 Interrupt Mode
        2. 7.4.1.2 Comparator Mode
        3. 7.4.1.3 T_CRIT Output
      2. 7.4.2 Shutdown Mode
      3. 7.4.3 Continuous Conversion Mode
    5. 7.5 Programming
      1. 7.5.1 Temperature Data Format
      2. 7.5.2 I2C and SMBus Interface
      3. 7.5.3 Serial Bus Address
      4. 7.5.4 Bus Transactions
        1. 7.5.4.1 Writes
        2. 7.5.4.2 Reads
      5. 7.5.5 SMBus Alert Mode
  9. 8 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 Curve
    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. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics

Over free-air temperature range at TA = –40°C to 125°C and VDD = 1.62V to 5.5V (unless otherwise noted); Typical specifications are at TA = 25°C and VDD = 3.3V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TEMPERATURE SENSOR
TERR_L Local temperature accuracy TA = –40°C to 125°C –1 1 °C
TERR_R Remote temperature accuracy
(Optimized for 2N3904 NPN Transistor)		 TD = –10°C to 85°C, TA = –10°C to 85°C –0.8 0.8 °C
TD = –55°C to 125°C,  TA = –10°C to 85°C –1.0 1.0 °C
TA = –40°C to 125°C –1.5 1.5 °C
PSR Supply Sensitivity on accuracy Remote temperature sensor, one-shot mode, VDD = 1.62V to 5.5V 0.05 °C/V
TRES_L Temperature resolution (local) Including sign bit 8 Bits
LSB 1 °C
TRES_R Temperature resolution (remote) Including sign bit 12 Bits
LSB 0.0625 °C
TREPEAT Repeatability(1) VDD = 3.3V, 1Hz conversion cycle, no averaging 1.5 LSB
tRT Response time (Stirred Liquid, mounted on 2-layer 62-mil PCB) τ = 63%
25°C to 75°C		 Local temperature sensor 1.5 s
τ = 63%
25°C to75 °C		 Remote temperature sensor (MMBT3904 NPN Transistor) 0.5 s
VFMAX Forward diode voltage Supported voltage applied to remote diode 1.1 V
RS Series resistor Supported series resistance on remote channel 1000 Ω
CDIFF Differential filter capacitor Supported capacitive filter connected across DP and DN 1.5 nF
tCONV Conversion time Local conversion only, one-shot mode 18.2 ms
Remote (2-ch) + local conversion, one-shot mode 52 ms
tVAR Timing variation  Conversion period and conversion time –10 10 %
DIGITAL INPUT/OUTPUT
CIN Input capacitance
ALERT, T_CRIT, SCL, SDA

 f = 100kHz 7 pF
VIH Input logic high level SCL, SDA 0.9 V
VIL Input logic low level SCL, SDA 0.4 V
VHYS Input logic level hysteresis SCL, SDA 100 mV
ILI Input leakage current ALERT, T_CRIT, SCL, SDA –0.1 0.1 μA
ILO Output leakage current ALERT, T_CRIT, SDA –0.1 0.1 μA
VOL Output low level ALERT, T_CRIT, SDA, IOL = 3mA 0.15 0.4 V
POWER SUPPLY
IDD_ACTIVE Active conversion current TA = –40°C to 125°C
Serial bus inactive		 Local conversion stage 100 150 μA
Remote conversion stage 220 320 μA
IDD_AVG Average current consumption Serial bus inactive, continuous conversion Conversion period = 1s, all channels 11 μA
Conversion period = 0.125 s, all channels 75 μA
IDD_SB Standby current(2) Serial bus inactive TA = 25°C 1 1.5 μA
TA = –40°C to 125°C 5.5 μA
IDD_SD Shutdown current Serial bus inactive TA = 25°C 0.5 0.8 μA
TA = –40°C to 125°C 5 μA
Serial bus active. fs = 400kHz 6.9 μA
Serial bus active. fs = 1MHz 15.2 μA
VPOR Power-on reset threshold voltage Supply rising 1.2 1.4 V
Brownout detect Supply falling 1.0 1.1 V
tPOR Device initialization time after power up(3) 15 ms
(1) Repeatability is the ability to reproduce a reading when the measured temperature is applied consecutively, under the same conditions.
(2) Quiescent current between conversions in continuous conversion mode