SNIS238 July   2025 TMP9R01-SEP

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Device Information
  6. Pin Configuration and Functions
  7. 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 Quality Conformance Inspection
    8. 6.8 Timing Diagrams
    9. 6.9 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Temperature Measurement Data
      2. 7.3.2 Decoding Temperature Data
      3. 7.3.3 Series Resistance Cancellation
      4. 7.3.4 Differential Input Capacitance
      5. 7.3.5 Filtering
      6. 7.3.6 Sensor Fault
      7. 7.3.7 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
  9. Register Map
    1. 8.1 Register Information
      1. 8.1.1  Pointer Register
      2. 8.1.2  Local and Remote Temperature Registers
      3. 8.1.3  Status Register
      4. 8.1.4  Configuration Register
      5. 8.1.5  Conversion Rate Register
      6. 8.1.6  One-Shot Start Register
      7. 8.1.7  Channel Enable Register
      8. 8.1.8  Consecutive ALERT Register
      9. 8.1.9  η-Factor Correction Register
      10. 8.1.10 Remote Temperature Offset Register
      11. 8.1.11 Manufacturer Identification Register
  10. 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 Radiation Environments
      1. 9.3.1 Single Event Latch-Up
      2. 9.3.2 Single Event Functional Interrupt
      3. 9.3.3 Single Event Upset
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Related Documentation
    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

Electrical Characteristics

The specifications shown below correspond to the respectively identified subgroup temperature (see Section 6.7). V+ = 1.7V to 3.6V, unless otherwise noted.
PARAMETER CONDITIONS SUBGROUP(1) MIN TYP MAX UNIT
TEMPERATURE MEASUREMENT
TLOCAL Local temperature sensor accuracy [1, 2, 3] –2 ±0.5 2 °C
TREMOTE Remote temperature sensor accuracy [1, 2, 3] –1.5 ±0.125 1.5 °C
TERROR_PS Temperature Error Supply Sensitivity
(Local or remote)
V+ = 1.7V to 3.6V [1, 2, 3] -0.3 ±0.1 0.3 °C/V
TRES Temperature resolution
(local and remote)
0.0625 °C
ADC resolution [4, 5, 6] 12 Bits
tCONV ADC conversion time One-shot mode, per channel (local or remote) [9, 10, 11] 15 17 ms
RSERIES Remote sensor source current High Series resistance 1kΩ (max) [1, 2, 3] 85 120 155 µA
Medium [1, 2, 3] 30 45 60
Low [1, 2, 3] 5 7.5 10
η Remote transistor ideality factor TMP9R01-SEP optimized ideality factor 1.008
SERIAL INTERFACE (SCL, SDA)
VIH High-level input voltage [1, 2, 3] 1.4 V
VIL Low-level input voltage [1, 2, 3] 0.45 V
VHYST Hysteresis 200 mV
SDA output-low sink current [1, 2, 3] 6 mA
VOL Low-level output voltage IO = –6mA [1, 2, 3] 0.15 0.4 V
IIN Serial bus input leakage current 0V ≤ VIN ≤ 3.6V [1, 2, 3] –1 1 μA
CIN Serial bus input capacitance SCL 3.5 pF
SDA 5

Serial bus clock frequency

[9, 10, 11] 2.17 MHz

Serial bus timeout

[9, 10, 11] 20 25 30 ms
DIGITAL INPUTS (A0, A1)
VIH High-level input voltage [1, 2, 3] 0.9×(V+) (V+) + 0.3 V
VIL Low-level input voltage [1, 2, 3] –0.3 0.1×(V+) V
IIN Input leakage current 0V ≤ VIN ≤ 3.6V [1, 2, 3] –1 1 μA
CIN Input capacitance 4.5 pF
DIGITAL OUTPUTS (THERM1, ALERT/THERM2)
Output-low sink current [1, 2, 3] 6 mA
VOL Low-level output voltage IO = –6mA [1, 2, 3] 0.15 0.4 V
IOH High-level output leakage current VO = V+ [1, 2, 3] 1 μA
POWER SUPPLY
V+ Specified supply voltage range [1, 2, 3] 1.7 3.6 V
IQ Quiescent current Active conversion, local sensor [1, 2, 3] 240 375 µA
Active conversion, remote sensors [1, 2, 3] 400 600
Standby mode (between conversions) [1, 2, 3] 15 35
Shutdown mode, serial bus inactive [1, 2, 3] 3 8
Shutdown mode, serial bus active, fS = 400kHz 90
Shutdown mode, serial bus active, fS = 2.17MHz 350
POR Power-on reset threshold Rising edge [1, 2, 3] 1.41 1.55 V
Tested with less than a 5Ω effective series resistance and a 100pF differential input capacitance.